🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.15 AU - 1.65 AU

Year: 745 Days

Day: 43.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,349,565 km

• M1: 1,021,454 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.7 AU - 1.82 AU

Year: 1050 Days

Day: 26 Hours

Environment

Temp: -128 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.83 AU - 2.23 AU

Year: 1300 Days

Day: 22.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 13.1

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.15 AU - 2.61 AU

Year: 1651 Days

Day: 14.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,349,565 km

• M1: 173,683 km (0.069 R)
• M2: 670,647 km (0.118 R)
• M3: 1,103,733 km (0.104 R)
• M4: 1,990,549 km (0.038 R)
• M5: 2,579,217 km (0.106 R)
• M6: 3,078,425 km (0.114 R)
• M7: 4,443,655 km (0.073 R)
• M8: 6,917,705 km (0.112 R)
• M9: 7,442,045 km (0.104 R)
• M10: 9,148,059 km (0.026 R)
• M11: 10,077,810 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 8.6

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.26 AU - 2.82 AU

Year: 1820 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,349,565 km

• M1: 107,112 km (0.112 R)
• M2: 440,566 km (0.109 R)
• M3: 734,974 km (0.044 R)
• M4: 1,059,901 km (0.116 R)
• M5: 2,153,013 km (0.118 R)
• M6: 2,908,631 km (0.107 R)
• M7: 3,282,327 km (0.105 R)
• M8: 3,812,502 km (0.102 R)
• M9: 4,358,983 km (0.081 R)
• M10: 5,000,010 km (0.06 R)
• M11: 5,515,075 km (0.06 R)
• M12: 6,064,997 km (0.085 R)
• M13: 6,572,582 km (0.086 R)
• M14: 7,274,346 km (0.102 R)
• M15: 7,557,236 km (0.085 R)
• M16: 9,379,039 km (0.103 R)
• M17: 9,646,819 km (0.107 R)
• M18: 10,374,164 km (0.063 R)
• M19: 11,475,952 km (0.047 R)
• M20: 11,743,882 km (0.037 R)
• M21: 12,055,195 km (0.104 R)
• M22: 12,372,043 km (0.052 R)
• M23: 13,738,171 km (0.072 R)
• M24: 14,703,227 km (0.1 R)
• M25: 15,065,104 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431

Radius: 7.5

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.92 AU - 13.06 AU

Year: 15275 Days

Day: 20.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 94,349,565 km

• M1: 93,499 km (0.114 R)
• M2: 484,248 km (0.097 R)
• M3: 721,062 km (0.102 R)
• M4: 1,151,904 km (0.108 R)
• M5: 1,892,114 km (0.12 R)
• M6: 3,053,891 km (0.091 R)
• M7: 4,631,849 km (0.04 R)
• M8: 4,885,717 km (0.056 R)
• M9: 5,216,029 km (0.076 R)
• M10: 7,307,407 km (0.115 R)
• M11: 8,098,481 km (0.094 R)
• M12: 8,800,394 km (0.045 R)
• M13: 9,390,408 km (0.107 R)
• M14: 10,378,352 km (0.098 R)
• M15: 11,376,619 km (0.117 R)
• M16: 11,781,580 km (0.101 R)
• M17: 12,498,304 km (0.073 R)
• M18: 13,180,320 km (0.086 R)
• M19: 15,166,831 km (0.053 R)
• M20: 15,942,645 km (0.119 R)
• M21: 20,561,629 km (0.065 R)
• M22: 25,115,388 km (0.119 R)
• M23: 26,200,272 km (0.069 R)
• M24: 32,673,521 km (0.087 R)
• M25: 33,139,519 km (0.094 R)
• M26: 33,610,004 km (0.117 R)
• M27: 35,782,015 km (0.085 R)
• M28: 38,951,695 km (0.111 R)
• M29: 47,016,068 km (0.058 R)
• M30: 47,460,972 km (0.073 R)
• M31: 50,966,499 km (0.113 R)
• M32: 54,477,411 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654

Radius: 7.2

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.91 AU - 16.71 AU

Year: 28263 Days

Day: 22.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,349,565 km

• M1: 89,609 km (0.058 R)
• M2: 490,232 km (0.117 R)
• M3: 1,134,849 km (0.096 R)
• M4: 1,671,008 km (0.101 R)
• M5: 1,944,922 km (0.033 R)
• M6: 2,634,568 km (0.12 R)
• M7: 4,096,438 km (0.043 R)
• M8: 4,710,837 km (0.093 R)
• M9: 5,724,063 km (0.104 R)
• M10: 6,032,085 km (0.057 R)
• M11: 6,681,639 km (0.113 R)
• M12: 7,325,509 km (0.103 R)
• M13: 8,009,919 km (0.082 R)
• M14: 8,395,881 km (0.087 R)
• M15: 10,976,744 km (0.112 R)
• M16: 11,591,591 km (0.078 R)
• M17: 12,519,846 km (0.071 R)
• M18: 13,964,363 km (0.077 R)
• M19: 14,604,642 km (0.077 R)
• M20: 18,009,190 km (0.1 R)
• M21: 20,045,217 km (0.092 R)
• M22: 20,348,003 km (0.102 R)
• M23: 21,695,880 km (0.119 R)
• M24: 22,015,271 km (0.104 R)
• M25: 22,882,042 km (0.12 R)
• M26: 25,382,869 km (0.072 R)
• M27: 29,078,984 km (0.095 R)
• M28: 30,121,980 km (0.082 R)
• M29: 30,519,462 km (0.091 R)
• M30: 35,125,580 km (0.092 R)
• M31: 42,455,128 km (0.113 R)
• M32: 45,512,459 km (0.093 R)
• M33: 52,825,851 km (0.11 R)
• M34: 54,181,207 km (0.041 R)
• M35: 61,096,070 km (0.074 R)
• M36: 71,121,221 km (0.096 R)
• M37: 74,209,071 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 11,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit