🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 13.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.14 AU - 1.36 AU

Year: 902 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,283,189 km

• M1: 171,589 km (0.064 R)
• M2: 613,501 km (0.104 R)
• M3: 1,564,345 km (0.07 R)
• M4: 2,123,093 km (0.09 R)
• M5: 3,490,567 km (0.026 R)
• M6: 3,975,863 km (0.083 R)
• M7: 4,715,175 km (0.057 R)
• M8: 5,526,445 km (0.089 R)
• M9: 6,033,432 km (0.066 R)
• M10: 6,778,728 km (0.082 R)
• M11: 7,338,673 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 10.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.14 AU - 1.7 AU

Year: 1093 Days

Day: 6.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,283,189 km

• M1: 133,441 km (0.113 R)
• M2: 473,776 km (0.06 R)
• M3: 826,229 km (0.092 R)
• M4: 1,396,347 km (0.106 R)
• M5: 1,736,682 km (0.066 R)
• M6: 2,579,666 km (0.111 R)
• M7: 3,064,812 km (0.112 R)
• M8: 3,442,546 km (0.093 R)
• M9: 4,381,722 km (0.06 R)
• M10: 4,847,121 km (0.068 R)
• M11: 6,903,643 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 8.3

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.53 AU - 2.31 AU

Year: 1718 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,283,189 km

• M1: 103,223 km (0.092 R)
• M2: 472,580 km (0.113 R)
• M3: 760,406 km (0.099 R)
• M4: 1,161,029 km (0.063 R)
• M5: 1,474,736 km (0.097 R)
• M6: 1,922,033 km (0.097 R)
• M7: 2,524,165 km (0.026 R)
• M8: 2,803,763 km (0.07 R)
• M9: 3,073,039 km (0.087 R)
• M10: 3,577,932 km (0.104 R)
• M11: 4,194,126 km (0.049 R)
• M12: 5,248,492 km (0.057 R)
• M13: 6,367,933 km (0.044 R)
• M14: 7,900,563 km (0.045 R)
• M15: 8,441,509 km (0.101 R)
• M16: 9,597,601 km (0.086 R)
• M17: 10,248,501 km (0.076 R)
• M18: 10,531,391 km (0.058 R)
• M19: 10,965,225 km (0.115 R)
• M20: 13,695,835 km (0.112 R)
• M21: 14,125,929 km (0.112 R)
• M22: 15,516,890 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 12.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.5 AU - 3.08 AU

Year: 3009 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,283,189 km

• M1: 163,959 km (0.12 R)
• M2: 708,496 km (0.104 R)
• M3: 1,125,275 km (0.061 R)
• M4: 2,113,220 km (0.084 R)
• M5: 2,813,487 km (0.045 R)
• M6: 3,286,516 km (0.083 R)
• M7: 3,846,460 km (0.079 R)
• M8: 4,284,782 km (0.067 R)
• M9: 5,432,796 km (0.08 R)
• M10: 6,676,852 km (0.103 R)
• M11: 7,339,870 km (0.098 R)
• M12: 8,074,545 km (0.118 R)
• M13: 9,283,296 km (0.113 R)
• M14: 9,690,800 km (0.119 R)
• M15: 10,143,035 km (0.093 R)
• M16: 10,609,331 km (0.07 R)
• M17: 12,021,236 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 12.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.71 AU - 4.17 AU

Year: 4120 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,283,189 km

• M1: 154,834 km (0.108 R)
• M2: 561,590 km (0.079 R)
• M3: 1,360,293 km (0.087 R)
• M4: 2,107,535 km (0.071 R)
• M5: 5,928,414 km (0.098 R)
• M6: 6,381,396 km (0.106 R)
• M7: 8,122,566 km (0.116 R)
• M8: 8,714,525 km (0.029 R)
• M9: 9,202,214 km (0.118 R)
• M10: 11,337,424 km (0.119 R)
• M11: 12,561,584 km (0.074 R)
• M12: 14,047,390 km (0.119 R)
• M13: 15,364,749 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.7

Radius: 5.2

Gravity: 32.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.54 AU - 8.44 AU

Year: 11932 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,283,189 km

• M1: 64,626 km (0.072 R)
• M2: 314,006 km (0.081 R)
• M3: 639,531 km (0.079 R)
• M4: 875,596 km (0.036 R)
• M5: 1,060,350 km (0.063 R)
• M6: 1,951,055 km (0.086 R)
• M7: 2,309,791 km (0.071 R)
• M8: 2,801,519 km (0.115 R)
• M9: 2,988,068 km (0.076 R)
• M10: 3,571,200 km (0.117 R)
• M11: 4,379,777 km (0.091 R)
• M12: 4,728,639 km (0.064 R)
• M13: 5,095,752 km (0.087 R)
• M14: 6,511,547 km (0.06 R)
• M15: 7,353,334 km (0.112 R)
• M16: 7,530,009 km (0.079 R)
• M17: 8,218,009 km (0.079 R)
• M18: 8,997,115 km (0.046 R)
• M19: 13,248,836 km (0.081 R)
• M20: 13,843,039 km (0.112 R)
• M21: 14,802,410 km (0.082 R)
• M22: 16,776,354 km (0.084 R)
• M23: 17,786,588 km (0.092 R)
• M24: 19,842,213 km (0.105 R)
• M25: 26,018,959 km (0.079 R)
• M26: 29,427,996 km (0.037 R)
• M27: 39,632,515 km (0.071 R)
• M28: 42,401,871 km (0.046 R)
• M29: 43,833,672 km (0.085 R)
• M30: 45,742,691 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.3

Radius: 7.8

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.85 AU - 7.85 AU

Year: 14201 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,283,189 km

• M1: 110,254 km (0.115 R)
• M2: 565,630 km (0.113 R)
• M3: 867,817 km (0.066 R)
• M4: 1,225,207 km (0.078 R)
• M5: 2,382,795 km (0.079 R)
• M6: 3,536,194 km (0.109 R)
• M7: 5,380,287 km (0.077 R)
• M8: 6,426,425 km (0.062 R)
• M9: 6,803,562 km (0.09 R)
• M10: 7,741,241 km (0.111 R)
• M11: 8,412,636 km (0.044 R)
• M12: 9,870,916 km (0.05 R)
• M13: 11,129,334 km (0.115 R)
• M14: 11,921,454 km (0.065 R)
• M15: 12,235,909 km (0.113 R)
• M16: 12,881,424 km (0.071 R)
• M17: 16,687,493 km (0.074 R)
• M18: 19,229,460 km (0.074 R)
• M19: 21,458,917 km (0.1 R)
• M20: 22,492,489 km (0.109 R)
• M21: 22,780,016 km (0.082 R)
• M22: 24,355,132 km (0.107 R)
• M23: 27,283,959 km (0.105 R)
• M24: 36,138,507 km (0.09 R)
• M25: 38,686,458 km (0.06 R)
• M26: 39,376,404 km (0.114 R)
• M27: 40,497,191 km (0.081 R)
• M28: 47,358,198 km (0.118 R)
• M29: 48,147,626 km (0.068 R)
• M30: 52,059,461 km (0.104 R)
• M31: 54,781,843 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 18,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit