🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.41 AU - 0.63 AU

Year: 242 Days

Day: 42.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,914,126 km

• M1: 691,441 km (0.102 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.7

Radius: 8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.99 AU - 1.43 AU

Year: 859 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,914,126 km

• M1: 99,782 km (0.12 R)
• M2: 381,475 km (0.093 R)
• M3: 855,401 km (0.093 R)
• M4: 1,121,386 km (0.116 R)
• M5: 1,468,453 km (0.042 R)
• M6: 2,160,492 km (0.084 R)
• M7: 3,022,176 km (0.117 R)
• M8: 3,895,080 km (0.111 R)
• M9: 4,518,604 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.5

Radius: 12.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.19 AU - 1.49 AU

Year: 1002 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,914,126 km

• M1: 154,235 km (0.032 R)
• M2: 555,756 km (0.096 R)
• M3: 1,103,733 km (0.087 R)
• M4: 1,575,116 km (0.049 R)
• M5: 2,026,303 km (0.088 R)
• M6: 2,747,066 km (0.074 R)
• M7: 3,168,333 km (0.114 R)
• M8: 3,834,193 km (0.079 R)
• M9: 5,346,628 km (0.062 R)
• M10: 6,008,748 km (0.062 R)
• M11: 8,193,924 km (0.119 R)
• M12: 9,509,637 km (0.069 R)
• M13: 10,110,422 km (0.081 R)
• M14: 10,546,051 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 12.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.97 AU - 2.57 AU

Year: 2208 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,914,126 km

• M1: 159,172 km (0.041 R)
• M2: 771,327 km (0.044 R)
• M3: 1,854,415 km (0.114 R)
• M4: 2,295,280 km (0.047 R)
• M5: 3,162,050 km (0.091 R)
• M6: 4,080,432 km (0.101 R)
• M7: 4,729,387 km (0.078 R)
• M8: 5,540,806 km (0.063 R)
• M9: 6,005,307 km (0.102 R)
• M10: 6,522,467 km (0.078 R)
• M11: 6,957,348 km (0.087 R)
• M12: 7,469,870 km (0.071 R)
• M13: 8,797,103 km (0.045 R)
• M14: 10,312,080 km (0.081 R)
• M15: 11,208,471 km (0.11 R)
• M16: 12,691,584 km (0.11 R)
• M17: 13,677,135 km (0.097 R)
• M18: 15,179,546 km (0.093 R)
• M19: 15,607,695 km (0.099 R)
• M20: 16,339,379 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 8.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.35 AU - 7.07 AU

Year: 8810 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,914,126 km

• M1: 109,506 km (0.028 R)
• M2: 658,081 km (0.033 R)
• M3: 986,748 km (0.097 R)
• M4: 1,377,647 km (0.034 R)
• M5: 1,823,000 km (0.044 R)
• M6: 4,519,950 km (0.057 R)
• M7: 5,684,869 km (0.1 R)
• M8: 7,068,350 km (0.114 R)
• M9: 9,044,687 km (0.106 R)
• M10: 9,400,581 km (0.076 R)
• M11: 9,840,099 km (0.106 R)
• M12: 10,602,899 km (0.096 R)
• M13: 12,074,643 km (0.093 R)
• M14: 18,411,608 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.2

Radius: 5.2

Gravity: 24.53 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.28 AU - 6.66 AU

Year: 10626 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,914,126 km

• M1: 67,618 km (0.088 R)
• M2: 521,349 km (0.034 R)
• M3: 1,003,353 km (0.113 R)
• M4: 1,218,325 km (0.102 R)
• M5: 2,665,236 km (0.116 R)
• M6: 4,208,338 km (0.1 R)
• M7: 7,531,654 km (0.078 R)
• M8: 7,959,804 km (0.045 R)
• M9: 10,876,962 km (0.086 R)
• M10: 13,113,450 km (0.093 R)
• M11: 13,607,273 km (0.117 R)
• M12: 16,906,654 km (0.064 R)
• M13: 18,165,669 km (0.105 R)
• M14: 19,805,561 km (0.11 R)
• M15: 23,108,233 km (0.113 R)
• M16: 23,466,371 km (0.115 R)
• M17: 23,646,786 km (0.059 R)
• M18: 25,693,733 km (0.102 R)
• M19: 27,453,902 km (0.077 R)
• M20: 28,363,307 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.9

Radius: 3.3

Gravity: 52.42 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.35 AU - 9.77 AU

Year: 16171 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,914,126 km

• M1: 40,990 km (0.119 R)
• M2: 148,401 km (0.059 R)
• M3: 508,633 km (0.074 R)
• M4: 867,817 km (0.093 R)
• M5: 1,361,041 km (0.097 R)
• M6: 1,891,216 km (0.112 R)
• M7: 2,272,840 km (0.109 R)
• M8: 2,569,194 km (0.093 R)
• M9: 2,938,551 km (0.033 R)
• M10: 3,161,302 km (0.11 R)
• M11: 3,668,589 km (0.107 R)
• M12: 4,675,083 km (0.102 R)
• M13: 6,488,808 km (0.101 R)
• M14: 7,527,914 km (0.118 R)
• M15: 8,327,814 km (0.099 R)
• M16: 9,391,904 km (0.107 R)
• M17: 10,149,767 km (0.085 R)
• M18: 11,847,553 km (0.071 R)
• M19: 15,496,095 km (0.091 R)
• M20: 17,733,930 km (0.071 R)
• M21: 18,552,829 km (0.103 R)
• M22: 19,915,217 km (0.098 R)
• M23: 20,442,848 km (0.062 R)
• M24: 21,434,233 km (0.03 R)
• M25: 25,207,092 km (0.081 R)
• M26: 29,061,630 km (0.091 R)
• M27: 30,313,316 km (0.106 R)
• M28: 32,317,628 km (0.029 R)
• M29: 35,295,224 km (0.085 R)
• M30: 35,808,644 km (0.086 R)
• M31: 39,957,591 km (0.106 R)
• M32: 40,936,709 km (0.091 R)
• M33: 44,415,458 km (0.069 R)
• M34: 52,617,760 km (0.102 R)
• M35: 54,815,203 km (0.099 R)
• M36: 58,671,986 km (0.108 R)
• M37: 59,031,320 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.4

Radius: 6.7

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.14 AU - 11.14 AU

Year: 19326 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,914,126 km

• M1: 86,916 km (0.055 R)
• M2: 311,463 km (0.075 R)
• M3: 1,192,295 km (0.114 R)
• M4: 1,544,748 km (0.093 R)
• M5: 1,835,267 km (0.119 R)
• M6: 2,618,112 km (0.115 R)
• M7: 3,136,768 km (0.103 R)
• M8: 3,434,618 km (0.038 R)
• M9: 3,663,053 km (0.094 R)
• M10: 5,217,375 km (0.118 R)
• M11: 8,901,522 km (0.117 R)
• M12: 10,418,145 km (0.094 R)
• M13: 11,520,233 km (0.097 R)
• M14: 15,521,377 km (0.059 R)
• M15: 17,119,980 km (0.116 R)
• M16: 18,737,283 km (0.077 R)
• M17: 20,361,168 km (0.098 R)
• M18: 21,784,292 km (0.084 R)
• M19: 23,171,065 km (0.104 R)
• M20: 26,229,294 km (0.098 R)
• M21: 28,026,712 km (0.097 R)
• M22: 32,621,611 km (0.06 R)
• M23: 33,004,432 km (0.089 R)
• M24: 34,039,799 km (0.096 R)
• M25: 35,498,677 km (0.119 R)
• M26: 38,968,450 km (0.108 R)
• M27: 39,255,379 km (0.094 R)
• M28: 39,688,465 km (0.112 R)
• M29: 40,270,999 km (0.116 R)
• M30: 48,700,988 km (0.079 R)
• M31: 53,502,332 km (0.1 R)
• M32: 59,935,489 km (0.063 R)
• M33: 68,730,049 km (0.057 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 12,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit