🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 12.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.56 AU - 0.88 AU

Year: 394 Days

Day: 14.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,910,503 km

• M1: 155,432 km (0.085 R)
• M2: 643,420 km (0.118 R)
• M3: 1,041,052 km (0.084 R)
• M4: 1,822,102 km (0.032 R)
• M5: 2,370,977 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.2

Radius: 14.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.09 AU - 2.31 AU

Year: 2107 Days

Day: 13.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,910,503 km

• M1: 183,407 km (0.04 R)
• M2: 634,445 km (0.073 R)
• M3: 1,545,496 km (0.084 R)
• M4: 3,074,685 km (0.091 R)
• M5: 3,682,501 km (0.094 R)
• M6: 4,500,802 km (0.036 R)
• M7: 5,400,034 km (0.066 R)
• M8: 6,023,409 km (0.057 R)
• M9: 7,139,110 km (0.09 R)
• M10: 8,618,782 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 9.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.18 AU - 3.28 AU

Year: 2912 Days

Day: 6 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,910,503 km

• M1: 121,025 km (0.083 R)
• M2: 456,274 km (0.098 R)
• M3: 859,889 km (0.088 R)
• M4: 1,200,972 km (0.033 R)
• M5: 3,241,038 km (0.045 R)
• M6: 4,016,404 km (0.087 R)
• M7: 4,990,735 km (0.049 R)
• M8: 5,708,206 km (0.115 R)
• M9: 6,231,499 km (0.077 R)
• M10: 8,916,631 km (0.091 R)
• M11: 10,068,685 km (0.12 R)
• M12: 10,596,466 km (0.084 R)
• M13: 12,365,311 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 8.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.3 AU - 3.54 AU

Year: 3222 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,910,503 km

• M1: 105,766 km (0.04 R)
• M2: 425,905 km (0.082 R)
• M3: 763,847 km (0.026 R)
• M4: 1,247,945 km (0.117 R)
• M5: 2,006,107 km (0.037 R)
• M6: 2,813,338 km (0.039 R)
• M7: 3,299,381 km (0.047 R)
• M8: 5,302,048 km (0.061 R)
• M9: 7,186,831 km (0.079 R)
• M10: 9,045,585 km (0.089 R)
• M11: 11,015,340 km (0.057 R)
• M12: 11,588,001 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 14.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.4 AU - 3.46 AU

Year: 3238 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,910,503 km

• M1: 181,612 km (0.088 R)
• M2: 692,040 km (0.087 R)
• M3: 1,274,125 km (0.08 R)
• M4: 3,190,175 km (0.091 R)
• M5: 4,032,560 km (0.094 R)
• M6: 5,996,032 km (0.069 R)
• M7: 7,035,139 km (0.115 R)
• M8: 8,850,808 km (0.082 R)
• M9: 9,359,142 km (0.119 R)
• M10: 10,394,958 km (0.031 R)
• M11: 11,421,049 km (0.117 R)
• M12: 12,112,640 km (0.033 R)
• M13: 15,008,556 km (0.104 R)
• M14: 17,141,373 km (0.094 R)
• M15: 20,457,509 km (0.06 R)
• M16: 21,804,488 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.9

Radius: 5.5

Gravity: 27.14 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.79 AU - 7.91 AU

Year: 10332 Days

Day: 16.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 43,910,503 km

• M1: 101,427 km (0.074 R)
• M2: 306,077 km (0.056 R)
• M3: 496,665 km (0.09 R)
• M4: 684,261 km (0.096 R)
• M5: 1,557,314 km (0.067 R)
• M6: 2,765,167 km (0.105 R)
• M7: 3,080,370 km (0.08 R)
• M8: 3,369,243 km (0.063 R)
• M9: 3,597,679 km (0.099 R)
• M10: 3,836,437 km (0.093 R)
• M11: 7,125,047 km (0.113 R)
• M12: 8,434,178 km (0.078 R)
• M13: 8,808,771 km (0.119 R)
• M14: 9,540,903 km (0.091 R)
• M15: 10,050,883 km (0.117 R)
• M16: 11,863,560 km (0.053 R)
• M17: 12,513,114 km (0.111 R)
• M18: 12,816,199 km (0.075 R)
• M19: 14,339,405 km (0.078 R)
• M20: 15,767,765 km (0.116 R)
• M21: 16,917,724 km (0.083 R)
• M22: 17,213,778 km (0.093 R)
• M23: 21,125,912 km (0.091 R)
• M24: 21,816,306 km (0.076 R)
• M25: 24,633,833 km (0.116 R)
• M26: 28,615,679 km (0.102 R)
• M27: 30,104,776 km (0.093 R)
• M28: 31,533,137 km (0.115 R)
• M29: 32,548,009 km (0.114 R)
• M30: 35,723,224 km (0.027 R)
• M31: 35,966,320 km (0.115 R)
• M32: 37,573,450 km (0.078 R)
• M33: 41,196,411 km (0.106 R)
• M34: 49,127,492 km (0.111 R)
• M35: 49,428,184 km (0.101 R)
• M36: 50,337,589 km (0.1 R)
• M37: 51,412,450 km (0.115 R)
• M38: 52,033,580 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.4

Radius: 8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.66 AU - 6.8 AU

Year: 11273 Days

Day: 17.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,910,503 km

• M1: 106,813 km (0.078 R)
• M2: 682,765 km (0.072 R)
• M3: 1,082,041 km (0.043 R)
• M4: 1,430,156 km (0.118 R)
• M5: 2,318,617 km (0.109 R)
• M6: 4,038,843 km (0.109 R)
• M7: 5,005,395 km (0.074 R)
• M8: 6,585,149 km (0.088 R)
• M9: 7,348,846 km (0.088 R)
• M10: 9,281,650 km (0.111 R)
• M11: 9,610,018 km (0.047 R)
• M12: 10,795,581 km (0.068 R)
• M13: 11,910,384 km (0.056 R)
• M14: 12,752,321 km (0.093 R)
• M15: 13,099,986 km (0.112 R)
• M16: 17,142,719 km (0.049 R)
• M17: 22,446,712 km (0.048 R)
• M18: 24,610,645 km (0.118 R)
• M19: 25,605,471 km (0.104 R)
• M20: 26,252,332 km (0.035 R)
• M21: 30,984,861 km (0.096 R)
• M22: 33,332,350 km (0.089 R)
• M23: 33,771,570 km (0.087 R)
• M24: 35,795,779 km (0.112 R)
• M25: 40,581,265 km (0.081 R)
• M26: 41,334,041 km (0.12 R)
• M27: 43,517,422 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 10,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit