🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.7

Radius: 14.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 368 Days

Day: 7.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,347,865 km

• M1: 177,872 km (0.097 R)
• M2: 642,224 km (0.086 R)
• M3: 1,254,079 km (0.1 R)
• M4: 1,709,305 km (0.103 R)
• M5: 2,157,650 km (0.106 R)
• M6: 2,627,387 km (0.059 R)
• M7: 3,100,416 km (0.11 R)
• M8: 3,803,675 km (0.091 R)
• M9: 4,568,869 km (0.077 R)
• M10: 5,057,306 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 8.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.59 AU - 1.69 AU

Year: 1378 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,347,865 km

• M1: 110,852 km (0.071 R)
• M2: 429,495 km (0.106 R)
• M3: 763,697 km (0.118 R)
• M4: 1,576,163 km (0.089 R)
• M5: 2,314,877 km (0.076 R)
• M6: 3,281,130 km (0.045 R)
• M7: 3,735,459 km (0.095 R)
• M8: 4,545,980 km (0.069 R)
• M9: 4,823,035 km (0.117 R)
• M10: 5,278,710 km (0.082 R)
• M11: 5,565,789 km (0.102 R)
• M12: 7,561,724 km (0.119 R)
• M13: 8,826,424 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 14.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.42 AU - 2 AU

Year: 1467 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,347,865 km

• M1: 179,069 km (0.045 R)
• M2: 645,216 km (0.097 R)
• M3: 1,513,182 km (0.079 R)
• M4: 2,221,678 km (0.039 R)
• M5: 3,395,423 km (0.099 R)
• M6: 5,020,654 km (0.093 R)
• M7: 5,612,912 km (0.104 R)
• M8: 6,107,782 km (0.099 R)
• M9: 7,722,840 km (0.037 R)
• M10: 8,956,873 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 13.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.82 AU - 2.78 AU

Year: 2288 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,347,865 km

• M1: 166,652 km (0.066 R)
• M2: 1,083,837 km (0.1 R)
• M3: 2,035,728 km (0.086 R)
• M4: 3,682,950 km (0.099 R)
• M5: 4,425,255 km (0.115 R)
• M6: 5,015,119 km (0.057 R)
• M7: 5,546,341 km (0.098 R)
• M8: 6,597,565 km (0.111 R)
• M9: 7,423,196 km (0.069 R)
• M10: 9,001,902 km (0.075 R)
• M11: 10,317,167 km (0.067 R)
• M12: 12,620,974 km (0.094 R)
• M13: 13,366,570 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.4

Radius: 8.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.15 AU - 3.09 AU

Year: 2782 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,347,865 km

• M1: 106,962 km (0.116 R)
• M2: 632,051 km (0.106 R)
• M3: 1,034,768 km (0.08 R)
• M4: 1,418,637 km (0.065 R)
• M5: 1,797,418 km (0.116 R)
• M6: 2,131,770 km (0.079 R)
• M7: 2,497,387 km (0.072 R)
• M8: 3,852,444 km (0.102 R)
• M9: 4,220,006 km (0.118 R)
• M10: 5,042,495 km (0.067 R)
• M11: 5,857,804 km (0.047 R)
• M12: 6,173,455 km (0.06 R)
• M13: 6,500,476 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 9.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.88 AU - 5.22 AU

Year: 6367 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,347,865 km

• M1: 113,246 km (0.118 R)
• M2: 418,425 km (0.033 R)
• M3: 722,857 km (0.07 R)
• M4: 1,130,362 km (0.057 R)
• M5: 1,429,258 km (0.111 R)
• M6: 1,769,593 km (0.057 R)
• M7: 3,044,167 km (0.119 R)
• M8: 4,060,685 km (0.059 R)
• M9: 5,187,905 km (0.086 R)
• M10: 6,747,612 km (0.106 R)
• M11: 7,880,965 km (0.098 R)
• M12: 10,044,300 km (0.092 R)
• M13: 11,431,970 km (0.117 R)
• M14: 12,758,903 km (0.118 R)
• M15: 15,245,669 km (0.096 R)
• M16: 16,034,648 km (0.116 R)
• M17: 18,447,063 km (0.066 R)
• M18: 19,161,393 km (0.067 R)
• M19: 19,893,824 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.9

Radius: 4.4

Gravity: 37.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.93 AU - 7.29 AU

Year: 11148 Days

Day: 16.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,347,865 km

• M1: 54,753 km (0.108 R)
• M2: 325,525 km (0.111 R)
• M3: 589,116 km (0.074 R)
• M4: 1,452,595 km (0.066 R)
• M5: 1,833,322 km (0.1 R)
• M6: 2,128,179 km (0.115 R)
• M7: 2,514,890 km (0.076 R)
• M8: 2,834,431 km (0.108 R)
• M9: 3,015,743 km (0.091 R)
• M10: 3,580,326 km (0.108 R)
• M11: 4,012,664 km (0.069 R)
• M12: 4,948,099 km (0.1 R)
• M13: 5,144,671 km (0.12 R)
• M14: 5,346,478 km (0.112 R)
• M15: 7,972,968 km (0.086 R)
• M16: 8,802,488 km (0.063 R)
• M17: 9,042,892 km (0.059 R)
• M18: 9,688,108 km (0.057 R)
• M19: 10,631,621 km (0.074 R)
• M20: 11,634,825 km (0.103 R)
• M21: 11,865,954 km (0.112 R)
• M22: 15,502,528 km (0.047 R)
• M23: 15,994,705 km (0.089 R)
• M24: 16,570,059 km (0.091 R)
• M25: 17,383,273 km (0.086 R)
• M26: 19,817,978 km (0.077 R)
• M27: 20,481,295 km (0.036 R)
• M28: 29,311,459 km (0.073 R)
• M29: 30,828,232 km (0.12 R)
• M30: 32,510,460 km (0.082 R)
• M31: 34,727,949 km (0.049 R)
• M32: 34,967,006 km (0.116 R)
• M33: 36,671,824 km (0.112 R)
• M34: 47,929,063 km (0.092 R)
• M35: 48,374,117 km (0.091 R)
• M36: 49,423,397 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 16,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit