🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 25 Hours

Environment

Temp: -122 °C

Axial Tilt: 84.5 °

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: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.66 AU

Year: 293 Days

Day: 47.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.58 AU - 0.64 AU

Year: 308 Days

Day: 47.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,475,148 km

• M1: 110,403 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.6

Radius: 8.5

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.93 AU - 1.17 AU

Year: 695 Days

Day: 11.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 25,475,148 km

• M1: 133,441 km (0.109 R)
• M2: 192,084 km (0.09 R)
• M3: 246,238 km (0.11 R)
• M4: 319,541 km (0.038 R)
• M5: 390,151 km (0.099 R)
• M6: 471,532 km (0.108 R)
• M7: 549,922 km (0.054 R)
• M8: 623,225 km (0.071 R)
• M9: 710,590 km (0.048 R)
• M10: 785,987 km (0.087 R)
• M11: 869,912 km (0.107 R)
• M12: 992,731 km (0.06 R)
• M13: 1,059,452 km (0.109 R)
• M14: 1,216,979 km (0.1 R)
• M15: 1,308,682 km (0.082 R)
• M16: 1,382,284 km (0.055 R)
• M17: 1,640,640 km (0.094 R)
• M18: 1,742,516 km (0.049 R)
• M19: 1,922,033 km (0.099 R)
• M20: 2,139,250 km (0.1 R)
• M21: 2,258,928 km (0.087 R)
• M22: 2,488,411 km (0.101 R)
• M23: 2,580,563 km (0.087 R)
• M24: 2,725,374 km (0.095 R)
• M25: 2,785,812 km (0.071 R)
• M26: 3,023,223 km (0.055 R)
• M27: 3,103,707 km (0.085 R)
• M28: 3,340,670 km (0.113 R)
• M29: 3,517,495 km (0.097 R)
• M30: 3,774,055 km (0.092 R)
• M31: 3,929,038 km (0.111 R)
• M32: 4,155,530 km (0.097 R)
• M33: 4,325,772 km (0.055 R)
• M34: 4,396,532 km (0.112 R)
• M35: 4,787,431 km (0.107 R)
• M36: 4,850,113 km (0.03 R)
• M37: 5,135,994 km (0.042 R)
• M38: 5,275,569 km (0.064 R)
• M39: 5,372,957 km (0.064 R)
• M40: 5,536,468 km (0.039 R)
• M41: 5,602,440 km (0.073 R)
• M42: 5,723,914 km (0.112 R)
• M43: 5,935,894 km (0.029 R)
• M44: 6,196,045 km (0.106 R)
• M45: 6,402,190 km (0.09 R)
• M46: 6,541,017 km (0.114 R)
• M47: 6,845,000 km (0.052 R)
• M48: 7,010,605 km (0.077 R)
• M49: 7,369,939 km (0.066 R)
• M50: 7,784,475 km (0.085 R)
• M51: 7,846,109 km (0.094 R)
• M52: 8,056,893 km (0.087 R)
• M53: 8,169,091 km (0.119 R)
• M54: 8,282,037 km (0.091 R)
• M55: 8,407,999 km (0.096 R)
• M56: 8,559,990 km (0.101 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 13.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.29 AU - 3.53 AU

Year: 4066 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 25,475,148 km

• M1: 201,808 km (0.085 R)
• M2: 352,752 km (0.118 R)
• M3: 529,427 km (0.077 R)
• M4: 751,729 km (0.118 R)
• M5: 901,327 km (0.101 R)
• M6: 1,007,093 km (0.105 R)
• M7: 1,487,900 km (0.084 R)
• M8: 1,841,999 km (0.091 R)
• M9: 1,952,252 km (0.079 R)
• M10: 2,430,816 km (0.115 R)
• M11: 2,537,180 km (0.094 R)
• M12: 2,676,156 km (0.103 R)
• M13: 2,929,874 km (0.069 R)
• M14: 3,291,602 km (0.105 R)
• M15: 3,426,838 km (0.115 R)
• M16: 4,004,436 km (0.114 R)
• M17: 4,185,449 km (0.096 R)
• M18: 4,332,354 km (0.093 R)
• M19: 4,650,250 km (0.059 R)
• M20: 4,956,477 km (0.098 R)
• M21: 5,269,435 km (0.036 R)
• M22: 5,388,515 km (0.079 R)
• M23: 5,812,326 km (0.096 R)
• M24: 6,184,226 km (0.104 R)
• M25: 6,352,075 km (0.12 R)
• M26: 7,082,262 km (0.081 R)
• M27: 7,191,918 km (0.093 R)
• M28: 7,390,733 km (0.092 R)
• M29: 7,703,692 km (0.105 R)
• M30: 7,816,489 km (0.069 R)
• M31: 8,551,613 km (0.097 R)
• M32: 8,927,552 km (0.061 R)
• M33: 9,189,199 km (0.11 R)
• M34: 9,381,133 km (0.069 R)
• M35: 9,501,709 km (0.082 R)
• M36: 10,335,567 km (0.08 R)
• M37: 10,711,058 km (0.084 R)
• M38: 11,578,576 km (0.091 R)
• M39: 11,864,009 km (0.106 R)
• M40: 12,257,152 km (0.101 R)
• M41: 13,056,304 km (0.039 R)
• M42: 13,735,029 km (0.114 R)
• M43: 13,844,834 km (0.068 R)
• M44: 14,453,249 km (0.08 R)
• M45: 14,676,748 km (0.107 R)
• M46: 15,042,365 km (0.118 R)
• M47: 15,183,735 km (0.109 R)
• M48: 15,610,687 km (0.098 R)
• M49: 16,099,274 km (0.076 R)
• M50: 16,389,045 km (0.118 R)
• M51: 17,121,177 km (0.077 R)
• M52: 17,357,691 km (0.11 R)
• M53: 17,446,552 km (0.095 R)
• M54: 17,595,253 km (0.093 R)
• M55: 17,714,482 km (0.054 R)
• M56: 17,923,770 km (0.109 R)
• M57: 18,556,419 km (0.083 R)
• M58: 18,829,884 km (0.074 R)
• M59: 19,012,992 km (0.054 R)
• M60: 19,196,548 km (0.093 R)
• M61: 19,473,155 km (0.112 R)
• M62: 19,720,141 km (0.069 R)
• M63: 20,749,673 km (0.112 R)
• M64: 20,907,200 km (0.096 R)
• M65: 21,318,744 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 8

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.22 AU - 3.8 AU

Year: 4246 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 25,475,148 km

• M1: 102,175 km (0.097 R)
• M2: 271,819 km (0.08 R)
• M3: 552,914 km (0.119 R)
• M4: 806,183 km (0.069 R)
• M5: 1,123,480 km (0.033 R)
• M6: 1,303,895 km (0.062 R)
• M7: 1,445,564 km (0.109 R)
• M8: 1,526,497 km (0.12 R)
• M9: 1,625,530 km (0.098 R)
• M10: 1,675,945 km (0.093 R)
• M11: 1,778,419 km (0.103 R)
• M12: 1,935,946 km (0.077 R)
• M13: 2,043,657 km (0.102 R)
• M14: 2,474,798 km (0.12 R)
• M15: 2,611,680 km (0.039 R)
• M16: 2,671,070 km (0.056 R)
• M17: 3,226,228 km (0.092 R)
• M18: 3,397,517 km (0.109 R)
• M19: 3,726,782 km (0.084 R)
• M20: 3,906,599 km (0.106 R)
• M21: 4,251,571 km (0.065 R)
• M22: 4,678,374 km (0.094 R)
• M23: 4,775,164 km (0.053 R)
• M24: 4,995,223 km (0.111 R)
• M25: 5,293,969 km (0.095 R)
• M26: 5,598,401 km (0.115 R)
• M27: 5,830,577 km (0.105 R)
• M28: 5,908,667 km (0.075 R)
• M29: 5,961,026 km (0.093 R)
• M30: 6,092,224 km (0.101 R)
• M31: 6,251,097 km (0.105 R)
• M32: 6,519,026 km (0.107 R)
• M33: 6,573,031 km (0.111 R)
• M34: 7,177,107 km (0.072 R)
• M35: 7,344,956 km (0.102 R)
• M36: 7,570,699 km (0.104 R)
• M37: 7,856,282 km (0.089 R)
• M38: 7,971,472 km (0.103 R)
• M39: 8,261,842 km (0.095 R)
• M40: 8,320,484 km (0.107 R)
• M41: 9,427,658 km (0.099 R)
• M42: 9,734,782 km (0.079 R)
• M43: 10,014,081 km (0.038 R)
• M44: 11,028,355 km (0.08 R)
• M45: 11,157,458 km (0.12 R)
• M46: 11,351,935 km (0.1 R)
• M47: 11,580,371 km (0.061 R)
• M48: 11,777,392 km (0.074 R)
• M49: 12,610,203 km (0.11 R)
• M50: 13,289,976 km (0.109 R)
• M51: 14,156,447 km (0.087 R)
• M52: 14,472,846 km (0.108 R)
• M53: 14,791,639 km (0.098 R)
• M54: 15,472,160 km (0.119 R)
• M55: 15,544,416 km (0.096 R)
• M56: 15,652,874 km (0.059 R)
• M57: 15,870,838 km (0.1 R)
• M58: 16,053,198 km (0.053 R)
• M59: 16,199,505 km (0.038 R)
• M60: 17,049,669 km (0.081 R)
• M61: 17,311,316 km (0.086 R)
• M62: 18,104,185 km (0.097 R)
• M63: 18,716,190 km (0.103 R)
• M64: 18,793,233 km (0.086 R)
• M65: 19,024,810 km (0.052 R)
• M66: 19,529,703 km (0.116 R)
• M67: 19,646,988 km (0.117 R)
• M68: 20,196,760 km (0.116 R)
• M69: 22,038,908 km (0.072 R)
• M70: 22,242,361 km (0.071 R)
• M71: 22,938,739 km (0.104 R)
• M72: 23,642,298 km (0.094 R)
• M73: 24,017,639 km (0.109 R)
• M74: 26,138,638 km (0.039 R)
• M75: 26,440,376 km (0.036 R)
• M76: 26,656,545 km (0.104 R)
• M77: 26,829,929 km (0.099 R)
• M78: 27,090,678 km (0.08 R)
• M79: 27,746,366 km (0.115 R)
• M80: 28,363,008 km (0.11 R)
• M81: 28,717,406 km (0.088 R)
• M82: 29,117,879 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.8

Radius: 8.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.28 AU - 5.08 AU

Year: 5518 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 25,475,148 km

• M1: 111,750 km (0.117 R)
• M2: 195,076 km (0.08 R)
• M3: 329,863 km (0.059 R)
• M4: 391,049 km (0.104 R)
• M5: 482,154 km (0.098 R)
• M6: 695,481 km (0.073 R)
• M7: 770,878 km (0.102 R)
• M8: 972,087 km (0.111 R)
• M9: 1,136,645 km (0.105 R)
• M10: 1,199,625 km (0.095 R)
• M11: 1,492,987 km (0.095 R)
• M12: 1,572,423 km (0.115 R)
• M13: 1,704,668 km (0.079 R)
• M14: 2,089,882 km (0.083 R)
• M15: 2,902,049 km (0.055 R)
• M16: 2,976,998 km (0.12 R)
• M17: 3,052,545 km (0.085 R)
• M18: 3,653,180 km (0.04 R)
• M19: 4,304,230 km (0.11 R)
• M20: 4,361,227 km (0.117 R)
• M21: 4,635,888 km (0.117 R)
• M22: 4,826,925 km (0.029 R)
• M23: 5,126,121 km (0.08 R)
• M24: 5,462,267 km (0.118 R)
• M25: 5,711,198 km (0.11 R)
• M26: 5,868,724 km (0.098 R)
• M27: 6,043,604 km (0.107 R)
• M28: 6,595,172 km (0.086 R)
• M29: 7,162,746 km (0.076 R)
• M30: 7,230,514 km (0.098 R)
• M31: 7,469,721 km (0.12 R)
• M32: 7,868,100 km (0.058 R)
• M33: 8,202,451 km (0.12 R)
• M34: 8,308,965 km (0.098 R)
• M35: 8,469,783 km (0.087 R)
• M36: 8,866,965 km (0.104 R)
• M37: 9,104,526 km (0.047 R)
• M38: 9,177,979 km (0.066 R)
• M39: 9,455,483 km (0.077 R)
• M40: 9,792,228 km (0.054 R)
• M41: 9,867,625 km (0.034 R)
• M42: 10,962,233 km (0.091 R)
• M43: 11,335,629 km (0.076 R)
• M44: 11,414,766 km (0.115 R)
• M45: 11,613,432 km (0.092 R)
• M46: 11,913,675 km (0.099 R)
• M47: 12,583,126 km (0.111 R)
• M48: 12,706,095 km (0.108 R)
• M49: 13,036,108 km (0.116 R)
• M50: 13,119,135 km (0.054 R)
• M51: 13,389,907 km (0.108 R)
• M52: 13,641,531 km (0.049 R)
• M53: 13,704,661 km (0.066 R)
• M54: 13,958,229 km (0.089 R)
• M55: 14,043,201 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 14.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.52 AU - 5.82 AU

Year: 7590 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 25,475,148 km

• M1: 190,438 km (0.11 R)
• M2: 308,920 km (0.066 R)
• M3: 492,626 km (0.107 R)
• M4: 622,626 km (0.11 R)
• M5: 745,596 km (0.077 R)
• M6: 889,808 km (0.102 R)
• M7: 995,873 km (0.099 R)
• M8: 1,144,723 km (0.08 R)
• M9: 1,355,806 km (0.102 R)
• M10: 1,551,629 km (0.119 R)
• M11: 1,879,099 km (0.07 R)
• M12: 2,245,614 km (0.104 R)
• M13: 2,429,170 km (0.088 R)
• M14: 2,531,495 km (0.086 R)
• M15: 2,722,980 km (0.115 R)
• M16: 2,973,706 km (0.047 R)
• M17: 3,194,962 km (0.094 R)
• M18: 4,072,652 km (0.047 R)
• M19: 4,195,173 km (0.113 R)
• M20: 4,507,085 km (0.1 R)
• M21: 4,719,364 km (0.045 R)
• M22: 5,065,982 km (0.044 R)
• M23: 5,242,358 km (0.103 R)
• M24: 5,398,538 km (0.1 R)
• M25: 5,556,065 km (0.112 R)
• M26: 5,853,017 km (0.114 R)
• M27: 5,945,468 km (0.107 R)
• M28: 6,155,204 km (0.113 R)
• M29: 6,823,608 km (0.116 R)
• M30: 6,921,145 km (0.036 R)
• M31: 7,191,319 km (0.117 R)
• M32: 7,290,503 km (0.065 R)
• M33: 7,440,101 km (0.08 R)
• M34: 7,590,746 km (0.116 R)
• M35: 7,717,156 km (0.03 R)
• M36: 8,281,289 km (0.109 R)
• M37: 8,621,026 km (0.061 R)
• M38: 8,726,493 km (0.086 R)
• M39: 8,858,887 km (0.11 R)
• M40: 9,045,435 km (0.079 R)
• M41: 9,341,340 km (0.103 R)
• M42: 9,531,180 km (0.112 R)
• M43: 9,804,794 km (0.114 R)
• M44: 10,641,046 km (0.072 R)
• M45: 10,839,563 km (0.079 R)
• M46: 11,125,145 km (0.057 R)
• M47: 12,770,572 km (0.089 R)
• M48: 12,890,998 km (0.093 R)
• M49: 13,315,557 km (0.119 R)
• M50: 13,621,634 km (0.097 R)
• M51: 13,744,753 km (0.066 R)
• M52: 14,023,155 km (0.064 R)
• M53: 14,116,354 km (0.065 R)
• M54: 15,571,044 km (0.066 R)
• M55: 16,414,327 km (0.113 R)
• M56: 16,676,871 km (0.109 R)
• M57: 16,874,640 km (0.059 R)
• M58: 17,372,502 km (0.118 R)
• M59: 17,976,428 km (0.066 R)
• M60: 19,585,503 km (0.056 R)
• M61: 20,108,796 km (0.084 R)
• M62: 20,565,967 km (0.068 R)
• M63: 20,955,520 km (0.12 R)
• M64: 21,311,862 km (0.027 R)
• M65: 21,670,149 km (0.105 R)
• M66: 21,778,009 km (0.054 R)
• M67: 22,138,839 km (0.112 R)
• M68: 22,320,002 km (0.115 R)
• M69: 22,793,480 km (0.078 R)
• M70: 22,976,438 km (0.047 R)
• M71: 23,380,651 km (0.102 R)
• M72: 23,824,508 km (0.116 R)
• M73: 24,420,356 km (0.088 R)
• M74: 24,682,601 km (0.099 R)
• M75: 25,437,173 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 13,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit