🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.42 AU - 0.66 AU

Year: 256 Days

Day: 27 Hours

Environment

Temp: -115 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.44 AU - 0.74 AU

Year: 293 Days

Day: 20.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,224,345 km

• M1: 577,298 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.61 AU - 0.71 AU

Year: 346 Days

Day: 38.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,224,345 km

• M1: 242,648 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 13.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.62 AU - 0.9 AU

Year: 428 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,224,345 km

• M1: 167,250 km (0.062 R)
• M2: 252,072 km (0.073 R)
• M3: 341,981 km (0.118 R)
• M4: 456,872 km (0.097 R)
• M5: 569,070 km (0.101 R)
• M6: 674,387 km (0.072 R)
• M7: 858,841 km (0.041 R)
• M8: 1,039,556 km (0.057 R)
• M9: 1,182,870 km (0.088 R)
• M10: 1,318,855 km (0.112 R)
• M11: 1,445,415 km (0.081 R)
• M12: 1,561,054 km (0.09 R)
• M13: 1,653,804 km (0.094 R)
• M14: 1,823,448 km (0.053 R)
• M15: 2,055,325 km (0.064 R)
• M16: 2,198,042 km (0.052 R)
• M17: 2,308,894 km (0.061 R)
• M18: 2,409,573 km (0.097 R)
• M19: 2,511,898 km (0.091 R)
• M20: 2,640,402 km (0.078 R)
• M21: 2,827,699 km (0.062 R)
• M22: 3,006,618 km (0.117 R)
• M23: 3,235,802 km (0.11 R)
• M24: 3,335,733 km (0.11 R)
• M25: 3,470,671 km (0.029 R)
• M26: 3,676,667 km (0.076 R)
• M27: 3,788,117 km (0.07 R)
• M28: 3,986,035 km (0.074 R)
• M29: 4,180,064 km (0.073 R)
• M30: 4,340,582 km (0.115 R)
• M31: 4,555,405 km (0.091 R)
• M32: 4,652,943 km (0.059 R)
• M33: 4,743,449 km (0.119 R)
• M34: 4,827,074 km (0.108 R)
• M35: 4,957,075 km (0.104 R)
• M36: 5,057,455 km (0.034 R)
• M37: 5,197,479 km (0.09 R)
• M38: 5,291,576 km (0.059 R)
• M39: 5,465,558 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.4

Radius: 11.3

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.76 AU - 0.78 AU

Year: 436 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 68,224,345 km

• M1: 142,716 km (0.068 R)
• M2: 220,507 km (0.084 R)
• M3: 369,656 km (0.081 R)
• M4: 470,635 km (0.1 R)
• M5: 544,387 km (0.109 R)
• M6: 655,538 km (0.076 R)
• M7: 753,375 km (0.102 R)
• M8: 829,371 km (0.103 R)
• M9: 908,209 km (0.075 R)
• M10: 1,014,274 km (0.093 R)
• M11: 1,166,115 km (0.114 R)
• M12: 1,288,038 km (0.116 R)
• M13: 1,447,958 km (0.1 R)
• M14: 1,667,867 km (0.111 R)
• M15: 1,788,143 km (0.054 R)
• M16: 1,874,162 km (0.102 R)
• M17: 1,980,377 km (0.115 R)
• M18: 2,218,985 km (0.118 R)
• M19: 2,298,422 km (0.074 R)
• M20: 2,453,405 km (0.055 R)
• M21: 2,563,210 km (0.105 R)
• M22: 2,674,810 km (0.032 R)
• M23: 2,759,632 km (0.059 R)
• M24: 2,830,990 km (0.035 R)
• M25: 2,917,458 km (0.118 R)
• M26: 3,085,755 km (0.108 R)
• M27: 3,219,645 km (0.077 R)
• M28: 3,295,043 km (0.083 R)
• M29: 3,386,148 km (0.086 R)
• M30: 3,555,493 km (0.099 R)
• M31: 3,641,212 km (0.112 R)
• M32: 3,775,102 km (0.088 R)
• M33: 3,870,546 km (0.103 R)
• M34: 3,999,200 km (0.11 R)
• M35: 4,145,656 km (0.047 R)
• M36: 4,260,697 km (0.049 R)
• M37: 4,553,310 km (0.068 R)
• M38: 4,714,876 km (0.113 R)
• M39: 4,930,447 km (0.069 R)
• M40: 5,087,674 km (0.115 R)
• M41: 5,246,547 km (0.038 R)
• M42: 5,389,114 km (0.104 R)
• M43: 5,632,809 km (0.117 R)
• M44: 5,769,840 km (0.043 R)
• M45: 5,852,568 km (0.084 R)
• M46: 5,954,145 km (0.103 R)
• M47: 6,065,745 km (0.076 R)
• M48: 6,262,616 km (0.076 R)
• M49: 6,385,585 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 11.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.48 AU - 1.72 AU

Year: 1307 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 68,224,345 km

• M1: 157,676 km (0.095 R)
• M2: 257,757 km (0.114 R)
• M3: 352,602 km (0.036 R)
• M4: 507,436 km (0.086 R)
• M5: 597,195 km (0.09 R)
• M6: 713,432 km (0.106 R)
• M7: 897,886 km (0.102 R)
• M8: 1,063,342 km (0.118 R)
• M9: 1,196,035 km (0.061 R)
• M10: 1,451,997 km (0.072 R)
• M11: 1,607,280 km (0.039 R)
• M12: 1,912,758 km (0.087 R)
• M13: 2,008,950 km (0.055 R)
• M14: 2,099,157 km (0.069 R)
• M15: 2,252,645 km (0.108 R)
• M16: 2,554,683 km (0.063 R)
• M17: 2,636,363 km (0.096 R)
• M18: 2,727,319 km (0.058 R)
• M19: 2,980,738 km (0.118 R)
• M20: 3,066,906 km (0.068 R)
• M21: 3,348,599 km (0.111 R)
• M22: 3,465,435 km (0.113 R)
• M23: 3,565,366 km (0.027 R)
• M24: 3,721,696 km (0.095 R)
• M25: 3,805,471 km (0.09 R)
• M26: 3,908,693 km (0.102 R)
• M27: 4,098,832 km (0.07 R)
• M28: 4,399,524 km (0.061 R)
• M29: 4,498,109 km (0.083 R)
• M30: 4,717,569 km (0.067 R)
• M31: 5,043,243 km (0.079 R)
• M32: 5,156,938 km (0.106 R)
• M33: 5,323,739 km (0.117 R)
• M34: 5,513,579 km (0.052 R)
• M35: 5,695,041 km (0.071 R)
• M36: 5,954,444 km (0.092 R)
• M37: 6,063,800 km (0.038 R)
• M38: 6,373,318 km (0.087 R)
• M39: 6,563,906 km (0.076 R)
• M40: 6,665,483 km (0.117 R)
• M41: 6,858,913 km (0.117 R)
• M42: 6,939,097 km (0.065 R)
• M43: 7,019,581 km (0.089 R)
• M44: 7,344,807 km (0.089 R)
• M45: 7,485,578 km (0.037 R)
• M46: 7,615,579 km (0.048 R)
• M47: 7,758,146 km (0.071 R)
• M48: 8,009,919 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.4

Radius: 11.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.31 AU - 2.53 AU

Year: 2431 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 68,224,345 km

• M1: 140,921 km (0.092 R)
• M2: 287,976 km (0.077 R)
• M3: 440,117 km (0.072 R)
• M4: 709,244 km (0.12 R)
• M5: 845,078 km (0.058 R)
• M6: 1,010,085 km (0.096 R)
• M7: 1,122,882 km (0.097 R)
• M8: 1,197,082 km (0.067 R)
• M9: 1,273,078 km (0.092 R)
• M10: 1,361,939 km (0.084 R)
• M11: 1,511,088 km (0.083 R)
• M12: 1,851,124 km (0.041 R)
• M13: 1,965,716 km (0.089 R)
• M14: 2,175,303 km (0.119 R)
• M15: 2,296,477 km (0.105 R)
• M16: 2,616,616 km (0.113 R)
• M17: 2,980,887 km (0.1 R)
• M18: 3,131,233 km (0.05 R)
• M19: 3,284,122 km (0.077 R)
• M20: 3,533,950 km (0.049 R)
• M21: 3,741,592 km (0.063 R)
• M22: 3,887,749 km (0.113 R)
• M23: 3,969,729 km (0.09 R)
• M24: 4,354,644 km (0.081 R)
• M25: 4,751,528 km (0.097 R)
• M26: 5,016,765 km (0.082 R)
• M27: 5,286,789 km (0.118 R)
• M28: 5,524,799 km (0.065 R)
• M29: 5,691,601 km (0.114 R)
• M30: 5,803,799 km (0.044 R)
• M31: 6,279,221 km (0.096 R)
• M32: 6,531,293 km (0.09 R)
• M33: 6,648,877 km (0.103 R)
• M34: 6,767,060 km (0.12 R)
• M35: 7,368,742 km (0.116 R)
• M36: 7,593,738 km (0.033 R)
• M37: 7,883,359 km (0.113 R)
• M38: 8,155,627 km (0.069 R)
• M39: 8,282,187 km (0.081 R)
• M40: 9,034,215 km (0.098 R)
• M41: 9,143,571 km (0.075 R)
• M42: 9,651,606 km (0.116 R)
• M43: 10,100,998 km (0.113 R)
• M44: 10,237,132 km (0.077 R)
• M45: 10,396,753 km (0.053 R)
• M46: 10,649,274 km (0.081 R)
• M47: 11,113,626 km (0.063 R)
• M48: 11,254,248 km (0.114 R)
• M49: 11,608,346 km (0.103 R)
• M50: 11,822,570 km (0.089 R)
• M51: 12,014,055 km (0.099 R)
• M52: 12,134,332 km (0.088 R)
• M53: 12,546,025 km (0.116 R)
• M54: 13,036,407 km (0.091 R)
• M55: 13,333,658 km (0.098 R)
• M56: 13,633,153 km (0.051 R)
• M57: 13,934,892 km (0.076 R)
• M58: 14,010,589 km (0.026 R)
• M59: 14,827,393 km (0.111 R)
• M60: 15,111,779 km (0.087 R)
• M61: 15,293,690 km (0.076 R)
• M62: 15,581,067 km (0.091 R)
• M63: 15,843,761 km (0.117 R)
• M64: 16,480,449 km (0.061 R)
• M65: 17,179,520 km (0.091 R)
• M66: 17,806,036 km (0.085 R)
• M67: 18,357,005 km (0.051 R)
• M68: 18,551,183 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 12.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.4 AU - 4.02 AU

Year: 4614 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 68,224,345 km

• M1: 169,195 km (0.078 R)
• M2: 280,197 km (0.061 R)
• M3: 396,285 km (0.077 R)
• M4: 535,261 km (0.09 R)
• M5: 702,960 km (0.073 R)
• M6: 789,278 km (0.088 R)
• M7: 931,546 km (0.103 R)
• M8: 1,231,789 km (0.113 R)
• M9: 1,351,018 km (0.058 R)
• M10: 1,706,313 km (0.109 R)
• M11: 1,786,348 km (0.095 R)
• M12: 1,964,370 km (0.042 R)
• M13: 2,162,736 km (0.082 R)
• M14: 2,687,825 km (0.094 R)
• M15: 2,781,772 km (0.062 R)
• M16: 3,005,571 km (0.097 R)
• M17: 3,119,714 km (0.092 R)
• M18: 3,470,970 km (0.101 R)
• M19: 3,556,540 km (0.096 R)
• M20: 3,677,564 km (0.048 R)
• M21: 4,103,021 km (0.111 R)
• M22: 4,846,821 km (0.077 R)
• M23: 5,875,905 km (0.116 R)
• M24: 6,060,808 km (0.08 R)
• M25: 6,185,124 km (0.08 R)
• M26: 6,289,394 km (0.118 R)
• M27: 6,691,064 km (0.052 R)
• M28: 6,798,176 km (0.114 R)
• M29: 7,320,273 km (0.051 R)
• M30: 7,519,387 km (0.108 R)
• M31: 7,923,152 km (0.081 R)
• M32: 8,013,808 km (0.114 R)
• M33: 8,150,541 km (0.058 R)
• M34: 8,449,288 km (0.069 R)
• M35: 8,588,414 km (0.115 R)
• M36: 8,916,183 km (0.054 R)
• M37: 9,010,579 km (0.04 R)
• M38: 9,152,697 km (0.092 R)
• M39: 9,487,497 km (0.102 R)
• M40: 10,292,483 km (0.096 R)
• M41: 10,391,517 km (0.03 R)
• M42: 10,590,632 km (0.1 R)
• M43: 10,967,319 km (0.037 R)
• M44: 11,093,879 km (0.117 R)
• M45: 11,527,862 km (0.116 R)
• M46: 11,759,889 km (0.119 R)
• M47: 11,993,411 km (0.041 R)
• M48: 12,123,860 km (0.059 R)
• M49: 12,969,836 km (0.095 R)
• M50: 13,050,170 km (0.114 R)
• M51: 13,889,564 km (0.11 R)
• M52: 14,219,278 km (0.099 R)
• M53: 14,302,005 km (0.115 R)
• M54: 14,523,709 km (0.03 R)
• M55: 14,635,010 km (0.116 R)
• M56: 14,718,486 km (0.078 R)
• M57: 15,734,405 km (0.118 R)
• M58: 15,963,290 km (0.049 R)
• M59: 16,164,499 km (0.089 R)
• M60: 16,250,966 km (0.092 R)
• M61: 16,918,921 km (0.094 R)
• M62: 17,388,957 km (0.108 R)
• M63: 17,536,760 km (0.076 R)
• M64: 18,012,332 km (0.071 R)
• M65: 18,643,186 km (0.072 R)
• M66: 19,006,858 km (0.032 R)
• M67: 19,434,110 km (0.12 R)
• M68: 20,081,121 km (0.055 R)
• M69: 20,609,949 km (0.12 R)
• M70: 20,860,376 km (0.099 R)
• M71: 21,017,454 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.2

Radius: 5.6

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.68 AU - 12.88 AU

Year: 22853 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 68,224,345 km

• M1: 71,807 km (0.12 R)
• M2: 118,482 km (0.083 R)
• M3: 262,395 km (0.104 R)
• M4: 372,050 km (0.118 R)
• M5: 496,964 km (0.073 R)
• M6: 1,147,416 km (0.119 R)
• M7: 1,497,624 km (0.107 R)
• M8: 1,788,443 km (0.103 R)
• M9: 2,160,492 km (0.066 R)
• M10: 3,301,176 km (0.094 R)
• M11: 3,338,276 km (0.078 R)
• M12: 4,068,763 km (0.044 R)
• M13: 4,596,095 km (0.06 R)
• M14: 4,846,821 km (0.081 R)
• M15: 5,101,886 km (0.112 R)
• M16: 5,669,610 km (0.086 R)
• M17: 6,211,304 km (0.065 R)
• M18: 6,395,608 km (0.07 R)
• M19: 6,441,984 km (0.048 R)
• M20: 7,538,386 km (0.09 R)
• M21: 7,982,991 km (0.059 R)
• M22: 8,589,012 km (0.081 R)
• M23: 9,001,154 km (0.075 R)
• M24: 9,157,334 km (0.052 R)
• M25: 9,631,410 km (0.039 R)
• M26: 9,898,293 km (0.114 R)
• M27: 10,113,564 km (0.036 R)
• M28: 10,989,759 km (0.102 R)
• M29: 11,045,409 km (0.076 R)
• M30: 12,004,332 km (0.052 R)
• M31: 13,521,852 km (0.11 R)
• M32: 13,641,082 km (0.112 R)
• M33: 13,760,760 km (0.096 R)
• M34: 14,546,448 km (0.054 R)
• M35: 15,284,414 km (0.094 R)
• M36: 16,287,468 km (0.117 R)
• M37: 16,989,232 km (0.071 R)
• M38: 17,118,036 km (0.079 R)
• M39: 17,311,615 km (0.028 R)
• M40: 17,831,468 km (0.115 R)
• M41: 18,488,352 km (0.102 R)
• M42: 18,620,746 km (0.119 R)
• M43: 19,961,442 km (0.072 R)
• M44: 20,506,427 km (0.061 R)
• M45: 20,574,943 km (0.075 R)
• M46: 24,528,366 km (0.082 R)
• M47: 24,892,487 km (0.101 R)
• M48: 25,331,856 km (0.104 R)
• M49: 25,552,364 km (0.087 R)
• M50: 25,626,115 km (0.056 R)
• M51: 27,039,516 km (0.11 R)
• M52: 28,401,754 km (0.07 R)
• M53: 28,860,720 km (0.074 R)
• M54: 30,252,429 km (0.096 R)
• M55: 30,721,269 km (0.079 R)
• M56: 30,956,437 km (0.105 R)
• M57: 32,780,035 km (0.117 R)
• M58: 33,826,173 km (0.103 R)
• M59: 35,128,572 km (0.079 R)
• M60: 35,703,477 km (0.074 R)
• M61: 36,281,523 km (0.064 R)
• M62: 37,029,363 km (0.113 R)
• M63: 37,196,164 km (0.106 R)
• M64: 40,843,659 km (0.088 R)
• M65: 41,275,100 km (0.039 R)
• M66: 42,753,426 km (0.102 R)
• M67: 45,225,680 km (0.051 R)
• M68: 46,839,393 km (0.106 R)
• M69: 47,291,028 km (0.04 R)
• M70: 47,925,623 km (0.103 R)
• M71: 52,727,565 km (0.111 R)
• M72: 53,762,782 km (0.106 R)
• M73: 54,330,356 km (0.106 R)
• M74: 55,185,308 km (0.09 R)
• M75: 55,757,819 km (0.084 R)
• M76: 56,524,209 km (0.062 R)
• M77: 56,620,251 km (0.026 R)
• M78: 57,101,208 km (0.087 R)
• M79: 58,067,311 km (0.102 R)
• M80: 59,038,800 km (0.095 R)
• M81: 59,624,176 km (0.046 R)
• M82: 59,722,013 km (0.103 R)
• M83: 60,506,056 km (0.045 R)
• M84: 61,096,219 km (0.056 R)
• M85: 61,985,279 km (0.06 R)
• M86: 62,779,046 km (0.055 R)
• M87: 64,176,290 km (0.085 R)
• M88: 64,376,601 km (0.085 R)
• M89: 66,392,433 km (0.108 R)
• M90: 66,595,138 km (0.081 R)
• M91: 68,224,408 km (0.057 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 14,279 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit