🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.46 AU - 0.6 AU

Year: 249 Days

Day: 16.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.5 AU - 0.66 AU

Year: 285 Days

Day: 28.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,476,055 km

• M1: 112,049 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 10.5

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.56 AU - 0.82 AU

Year: 370 Days

Day: 8.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 16,476,055 km

• M1: 137,929 km (0.097 R)
• M2: 267,780 km (0.097 R)
• M3: 338,390 km (0.071 R)
• M4: 429,795 km (0.09 R)
• M5: 531,671 km (0.11 R)
• M6: 653,593 km (0.112 R)
• M7: 733,179 km (0.112 R)
• M8: 867,518 km (0.084 R)
• M9: 981,063 km (0.102 R)
• M10: 1,048,531 km (0.072 R)
• M11: 1,117,496 km (0.102 R)
• M12: 1,183,768 km (0.04 R)
• M13: 1,269,637 km (0.1 R)
• M14: 1,515,875 km (0.046 R)
• M15: 1,700,778 km (0.081 R)
• M16: 1,767,499 km (0.079 R)
• M17: 1,840,353 km (0.087 R)
• M18: 1,919,640 km (0.087 R)
• M19: 2,010,895 km (0.101 R)
• M20: 2,092,725 km (0.118 R)
• M21: 2,186,822 km (0.04 R)
• M22: 2,254,141 km (0.119 R)
• M23: 2,373,520 km (0.107 R)
• M24: 2,506,961 km (0.113 R)
• M25: 2,666,732 km (0.12 R)
• M26: 2,787,308 km (0.11 R)
• M27: 3,065,260 km (0.112 R)
• M28: 3,198,103 km (0.109 R)
• M29: 3,443,444 km (0.04 R)
• M30: 3,542,029 km (0.03 R)
• M31: 3,621,465 km (0.119 R)
• M32: 3,688,336 km (0.107 R)
• M33: 3,795,896 km (0.096 R)
• M34: 3,966,288 km (0.032 R)
• M35: 4,042,134 km (0.064 R)
• M36: 4,167,049 km (0.102 R)
• M37: 4,428,247 km (0.087 R)
• M38: 4,614,945 km (0.115 R)
• M39: 4,745,843 km (0.075 R)
• M40: 4,833,657 km (0.104 R)
• M41: 5,123,278 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 14.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.81 AU - 1.25 AU

Year: 675 Days

Day: 6.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 16,476,055 km

• M1: 182,210 km (0.109 R)
• M2: 329,714 km (0.104 R)
• M3: 420,669 km (0.116 R)
• M4: 573,558 km (0.118 R)
• M5: 731,085 km (0.079 R)
• M6: 925,562 km (0.089 R)
• M7: 1,072,916 km (0.07 R)
• M8: 1,206,208 km (0.12 R)
• M9: 1,304,194 km (0.067 R)
• M10: 1,447,509 km (0.084 R)
• M11: 1,552,527 km (0.081 R)
• M12: 1,666,670 km (0.106 R)
• M13: 1,810,284 km (0.099 R)
• M14: 1,903,932 km (0.108 R)
• M15: 2,006,107 km (0.052 R)
• M16: 2,138,352 km (0.104 R)
• M17: 2,317,121 km (0.106 R)
• M18: 2,478,687 km (0.06 R)
• M19: 2,682,140 km (0.115 R)
• M20: 2,774,442 km (0.101 R)
• M21: 2,891,278 km (0.112 R)
• M22: 2,993,902 km (0.077 R)
• M23: 3,114,029 km (0.073 R)
• M24: 3,235,802 km (0.058 R)
• M25: 3,375,676 km (0.086 R)
• M26: 3,576,735 km (0.043 R)
• M27: 3,721,696 km (0.104 R)
• M28: 3,859,775 km (0.047 R)
• M29: 4,034,954 km (0.112 R)
• M30: 4,248,879 km (0.118 R)
• M31: 4,439,018 km (0.103 R)
• M32: 4,558,247 km (0.069 R)
• M33: 4,650,549 km (0.117 R)
• M34: 4,790,423 km (0.114 R)
• M35: 5,017,213 km (0.098 R)
• M36: 5,170,252 km (0.092 R)
• M37: 5,276,466 km (0.095 R)
• M38: 5,432,347 km (0.089 R)
• M39: 5,959,381 km (0.077 R)
• M40: 6,070,831 km (0.095 R)
• M41: 6,183,030 km (0.104 R)
• M42: 6,565,701 km (0.097 R)
• M43: 6,701,835 km (0.113 R)
• M44: 6,913,366 km (0.108 R)
• M45: 7,127,142 km (0.114 R)
• M46: 7,245,623 km (0.11 R)
• M47: 7,386,544 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 8.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.98 AU - 1.26 AU

Year: 765 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 131.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 16,476,055 km

• M1: 108,458 km (0.053 R)
• M2: 163,510 km (0.105 R)
• M3: 223,948 km (0.099 R)
• M4: 289,173 km (0.115 R)
• M5: 347,815 km (0.101 R)
• M6: 405,261 km (0.062 R)
• M7: 576,999 km (0.092 R)
• M8: 664,065 km (0.108 R)
• M9: 730,337 km (0.064 R)
• M10: 925,113 km (0.043 R)
• M11: 1,000,211 km (0.119 R)
• M12: 1,067,830 km (0.102 R)
• M13: 1,233,135 km (0.097 R)
• M14: 1,290,282 km (0.041 R)
• M15: 1,646,025 km (0.101 R)
• M16: 1,755,830 km (0.11 R)
• M17: 1,826,440 km (0.09 R)
• M18: 1,952,402 km (0.086 R)
• M19: 2,106,039 km (0.096 R)
• M20: 2,193,853 km (0.118 R)
• M21: 2,315,177 km (0.097 R)
• M22: 2,386,385 km (0.055 R)
• M23: 2,458,342 km (0.114 R)
• M24: 2,531,046 km (0.091 R)
• M25: 2,617,963 km (0.111 R)
• M26: 2,712,658 km (0.086 R)
• M27: 2,767,261 km (0.085 R)
• M28: 2,884,696 km (0.107 R)
• M29: 2,968,471 km (0.032 R)
• M30: 3,102,959 km (0.096 R)
• M31: 3,282,925 km (0.06 R)
• M32: 3,481,292 km (0.109 R)
• M33: 3,698,658 km (0.068 R)
• M34: 3,805,171 km (0.075 R)
• M35: 3,905,103 km (0.068 R)
• M36: 3,974,815 km (0.072 R)
• M37: 4,076,093 km (0.108 R)
• M38: 4,522,643 km (0.087 R)
• M39: 4,677,776 km (0.076 R)
• M40: 4,834,704 km (0.104 R)
• M41: 5,018,410 km (0.041 R)
• M42: 5,145,120 km (0.093 R)
• M43: 5,204,510 km (0.089 R)
• M44: 5,281,403 km (0.117 R)
• M45: 5,462,117 km (0.117 R)
• M46: 5,636,100 km (0.102 R)
• M47: 5,714,938 km (0.11 R)
• M48: 5,820,853 km (0.066 R)
• M49: 5,936,193 km (0.11 R)
• M50: 6,034,329 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 8.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.68 AU - 2.64 AU

Year: 2050 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 16,476,055 km

• M1: 115,789 km (0.091 R)
• M2: 175,030 km (0.07 R)
• M3: 281,842 km (0.108 R)
• M4: 360,232 km (0.106 R)
• M5: 435,330 km (0.116 R)
• M6: 529,876 km (0.084 R)
• M7: 741,108 km (0.099 R)
• M8: 880,982 km (0.069 R)
• M9: 954,285 km (0.076 R)
• M10: 1,072,467 km (0.086 R)
• M11: 1,133,653 km (0.089 R)
• M12: 1,389,914 km (0.11 R)
• M13: 1,544,598 km (0.052 R)
• M14: 1,694,944 km (0.044 R)
• M15: 1,808,339 km (0.111 R)
• M16: 2,064,600 km (0.116 R)
• M17: 2,141,494 km (0.064 R)
• M18: 2,309,791 km (0.103 R)
• M19: 2,459,090 km (0.051 R)
• M20: 2,731,208 km (0.119 R)
• M21: 2,840,265 km (0.08 R)
• M22: 3,025,467 km (0.114 R)
• M23: 3,087,999 km (0.046 R)
• M24: 3,163,696 km (0.107 R)
• M25: 3,394,675 km (0.105 R)
• M26: 3,578,082 km (0.099 R)
• M27: 3,751,316 km (0.092 R)
• M28: 3,886,553 km (0.108 R)
• M29: 4,106,162 km (0.1 R)
• M30: 4,386,509 km (0.075 R)
• M31: 4,514,714 km (0.104 R)
• M32: 4,687,649 km (0.059 R)
• M33: 4,804,186 km (0.072 R)
• M34: 4,921,620 km (0.117 R)
• M35: 5,099,642 km (0.113 R)
• M36: 5,189,401 km (0.067 R)
• M37: 5,249,539 km (0.039 R)
• M38: 5,723,764 km (0.071 R)
• M39: 5,817,113 km (0.067 R)
• M40: 6,420,142 km (0.086 R)
• M41: 6,501,075 km (0.079 R)
• M42: 6,712,905 km (0.104 R)
• M43: 6,778,579 km (0.071 R)
• M44: 7,059,823 km (0.096 R)
• M45: 7,311,297 km (0.086 R)
• M46: 7,616,925 km (0.034 R)
• M47: 7,978,802 km (0.096 R)
• M48: 8,275,904 km (0.095 R)
• M49: 8,399,322 km (0.115 R)
• M50: 8,737,264 km (0.077 R)
• M51: 8,791,119 km (0.053 R)
• M52: 8,989,186 km (0.076 R)
• M53: 9,043,490 km (0.106 R)
• M54: 9,225,252 km (0.079 R)
• M55: 9,537,163 km (0.038 R)
• M56: 9,610,915 km (0.077 R)
• M57: 9,983,264 km (0.102 R)
• M58: 10,058,213 km (0.093 R)
• M59: 10,114,611 km (0.028 R)
• M60: 10,190,009 km (0.039 R)
• M61: 10,493,243 km (0.073 R)
• M62: 10,665,131 km (0.095 R)
• M63: 10,741,875 km (0.116 R)
• M64: 10,953,706 km (0.039 R)
• M65: 11,147,585 km (0.042 R)
• M66: 11,874,630 km (0.113 R)
• M67: 11,993,860 km (0.088 R)
• M68: 12,233,815 km (0.116 R)
• M69: 12,576,394 km (0.053 R)
• M70: 12,799,743 km (0.081 R)
• M71: 13,106,419 km (0.095 R)
• M72: 13,229,837 km (0.11 R)
• M73: 13,622,980 km (0.067 R)
• M74: 13,894,201 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 10.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.49 AU - 3.55 AU

Year: 4264 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 16,476,055 km

• M1: 129,701 km (0.107 R)
• M2: 402,867 km (0.051 R)
• M3: 468,241 km (0.112 R)
• M4: 604,375 km (0.115 R)
• M5: 722,109 km (0.097 R)
• M6: 848,220 km (0.063 R)
• M7: 1,066,034 km (0.115 R)
• M8: 1,152,502 km (0.102 R)
• M9: 1,312,273 km (0.115 R)
• M10: 1,447,808 km (0.073 R)
• M11: 1,609,972 km (0.08 R)
• M12: 1,778,419 km (0.114 R)
• M13: 1,882,240 km (0.092 R)
• M14: 2,060,112 km (0.063 R)
• M15: 2,132,667 km (0.12 R)
• M16: 2,457,893 km (0.049 R)
• M17: 2,665,834 km (0.09 R)
• M18: 2,772,049 km (0.11 R)
• M19: 3,016,192 km (0.114 R)
• M20: 3,113,132 km (0.041 R)
• M21: 3,310,152 km (0.035 R)
• M22: 3,410,083 km (0.106 R)
• M23: 4,016,254 km (0.085 R)
• M24: 4,138,475 km (0.11 R)
• M25: 4,386,658 km (0.112 R)
• M26: 4,639,778 km (0.116 R)
• M27: 4,719,813 km (0.087 R)
• M28: 5,293,371 km (0.083 R)
• M29: 5,377,146 km (0.087 R)
• M30: 5,665,271 km (0.096 R)
• M31: 5,750,991 km (0.115 R)
• M32: 5,941,130 km (0.097 R)
• M33: 6,133,214 km (0.087 R)
• M34: 6,238,979 km (0.053 R)
• M35: 6,559,717 km (0.102 R)
• M36: 6,758,533 km (0.108 R)
• M37: 7,198,949 km (0.081 R)
• M38: 7,460,147 km (0.051 R)
• M39: 7,573,093 km (0.105 R)
• M40: 7,857,927 km (0.073 R)
• M41: 7,953,670 km (0.114 R)
• M42: 8,088,458 km (0.049 R)
• M43: 8,360,127 km (0.082 R)
• M44: 8,438,217 km (0.053 R)
• M45: 8,852,604 km (0.099 R)
• M46: 8,952,385 km (0.116 R)
• M47: 9,132,651 km (0.111 R)
• M48: 9,456,231 km (0.051 R)
• M49: 9,907,418 km (0.073 R)
• M50: 10,177,293 km (0.051 R)
• M51: 10,407,524 km (0.085 R)
• M52: 10,681,886 km (0.091 R)
• M53: 10,915,857 km (0.045 R)
• M54: 11,065,754 km (0.069 R)
• M55: 11,216,250 km (0.11 R)
• M56: 11,541,027 km (0.063 R)
• M57: 11,934,918 km (0.079 R)
• M58: 12,133,434 km (0.102 R)
• M59: 12,645,957 km (0.104 R)
• M60: 12,735,865 km (0.057 R)
• M61: 12,803,334 km (0.099 R)
• M62: 13,029,376 km (0.118 R)
• M63: 13,623,130 km (0.099 R)
• M64: 13,876,998 km (0.066 R)
• M65: 13,969,748 km (0.114 R)
• M66: 14,155,699 km (0.028 R)
• M67: 14,272,385 km (0.08 R)
• M68: 14,648,025 km (0.119 R)
• M69: 15,361,009 km (0.085 R)
• M70: 15,625,198 km (0.095 R)
• M71: 16,182,600 km (0.102 R)
• M72: 16,329,056 km (0.078 R)
• M73: 16,427,043 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 17,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit