🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 12.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,283,049 km

• M1: 150,495 km (0.035 R)
• M2: 548,127 km (0.074 R)
• M3: 995,574 km (0.105 R)
• M4: 1,471,145 km (0.057 R)
• M5: 1,946,567 km (0.065 R)
• M6: 2,359,009 km (0.105 R)
• M7: 3,855,436 km (0.099 R)
• M8: 4,594,450 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 14.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.59 AU - 0.79 AU

Year: 389 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,283,049 km

• M1: 179,069 km (0.041 R)
• M2: 630,854 km (0.095 R)
• M3: 1,113,607 km (0.093 R)
• M4: 1,567,636 km (0.112 R)
• M5: 2,165,429 km (0.119 R)
• M6: 2,755,294 km (0.1 R)
• M7: 3,590,349 km (0.085 R)
• M8: 4,119,626 km (0.12 R)
• M9: 4,843,979 km (0.105 R)
• M10: 5,306,236 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 10

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.71 AU - 0.73 AU

Year: 414 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,283,049 km

• M1: 124,615 km (0.104 R)
• M2: 440,865 km (0.087 R)
• M3: 950,096 km (0.11 R)
• M4: 1,675,347 km (0.114 R)
• M5: 2,752,601 km (0.055 R)
• M6: 3,182,994 km (0.083 R)
• M7: 3,498,197 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 11.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.73 AU - 4.99 AU

Year: 6175 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,283,049 km

• M1: 141,819 km (0.065 R)
• M2: 606,320 km (0.038 R)
• M3: 1,085,333 km (0.117 R)
• M4: 1,532,780 km (0.088 R)
• M5: 2,343,451 km (0.118 R)
• M6: 2,900,254 km (0.102 R)
• M7: 5,417,986 km (0.034 R)
• M8: 7,592,990 km (0.116 R)
• M9: 8,207,687 km (0.074 R)
• M10: 9,619,143 km (0.054 R)
• M11: 14,274,030 km (0.113 R)
• M12: 15,494,300 km (0.076 R)
• M13: 20,315,391 km (0.115 R)
• M14: 21,358,686 km (0.105 R)
• M15: 21,929,552 km (0.082 R)
• M16: 24,859,576 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.7

Radius: 6.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.22 AU - 6.28 AU

Year: 9352 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,283,049 km

• M1: 76,744 km (0.116 R)
• M2: 527,332 km (0.091 R)
• M3: 1,152,502 km (0.105 R)
• M4: 1,416,243 km (0.091 R)
• M5: 2,343,301 km (0.111 R)
• M6: 4,337,141 km (0.102 R)
• M7: 4,637,833 km (0.081 R)
• M8: 4,898,881 km (0.107 R)
• M9: 6,135,457 km (0.048 R)
• M10: 11,304,662 km (0.034 R)
• M11: 12,314,747 km (0.092 R)
• M12: 14,902,940 km (0.117 R)
• M13: 17,144,215 km (0.079 R)
• M14: 17,896,244 km (0.048 R)
• M15: 18,087,579 km (0.098 R)
• M16: 18,866,835 km (0.056 R)
• M17: 24,251,460 km (0.065 R)
• M18: 27,673,063 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.6

Radius: 3.6

Gravity: 68.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.29 AU - 12.21 AU

Year: 22258 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,283,049 km

• M1: 46,974 km (0.038 R)
• M2: 316,848 km (0.063 R)
• M3: 506,838 km (0.094 R)
• M4: 716,723 km (0.098 R)
• M5: 871,258 km (0.029 R)
• M6: 1,524,402 km (0.072 R)
• M7: 2,527,157 km (0.112 R)
• M8: 2,996,445 km (0.065 R)
• M9: 3,521,384 km (0.095 R)
• M10: 3,970,028 km (0.083 R)
• M11: 5,257,318 km (0.086 R)
• M12: 5,842,096 km (0.113 R)
• M13: 6,469,210 km (0.119 R)
• M14: 7,908,491 km (0.111 R)
• M15: 8,618,034 km (0.119 R)
• M16: 8,959,416 km (0.046 R)
• M17: 10,543,508 km (0.1 R)
• M18: 11,469,370 km (0.097 R)
• M19: 13,180,470 km (0.108 R)
• M20: 14,490,499 km (0.105 R)
• M21: 19,513,696 km (0.032 R)
• M22: 21,107,661 km (0.08 R)
• M23: 23,547,902 km (0.051 R)
• M24: 26,051,871 km (0.107 R)
• M25: 34,475,428 km (0.097 R)
• M26: 35,622,993 km (0.06 R)
• M27: 37,242,240 km (0.116 R)
• M28: 38,602,983 km (0.098 R)
• M29: 41,583,720 km (0.079 R)
• M30: 46,250,725 km (0.079 R)
• M31: 57,401,451 km (0.047 R)
• M32: 57,601,015 km (0.072 R)
• M33: 58,001,638 km (0.062 R)
• M34: 58,808,419 km (0.072 R)
• M35: 66,409,337 km (0.094 R)
• M36: 67,292,114 km (0.098 R)
• M37: 70,443,842 km (0.07 R)
• M38: 75,832,956 km (0.049 R)
• M39: 84,292,566 km (0.083 R)
• M40: 86,370,480 km (0.043 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 18,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit