🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.4

Radius: 12.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.07 AU - 1.71 AU

Year: 1042 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,504,365 km

• M1: 153,338 km (0.116 R)
• M2: 545,135 km (0.091 R)
• M3: 993,031 km (0.073 R)
• M4: 1,448,706 km (0.118 R)
• M5: 1,867,430 km (0.119 R)
• M6: 2,506,363 km (0.052 R)
• M7: 3,071,843 km (0.037 R)
• M8: 3,486,678 km (0.08 R)
• M9: 4,093,746 km (0.117 R)
• M10: 4,491,078 km (0.119 R)
• M11: 5,590,472 km (0.097 R)
• M12: 6,137,701 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 8.6

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.38 AU - 1.62 AU

Year: 1168 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,504,365 km

• M1: 107,262 km (0.091 R)
• M2: 417,677 km (0.107 R)
• M3: 714,928 km (0.068 R)
• M4: 984,354 km (0.09 R)
• M5: 2,087,489 km (0.073 R)
• M6: 2,604,948 km (0.116 R)
• M7: 2,963,085 km (0.109 R)
• M8: 3,249,415 km (0.112 R)
• M9: 3,962,399 km (0.101 R)
• M10: 4,833,806 km (0.06 R)
• M11: 5,717,930 km (0.093 R)
• M12: 7,051,146 km (0.041 R)
• M13: 7,993,313 km (0.109 R)
• M14: 11,015,041 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.6

Radius: 10.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.46 AU - 1.62 AU

Year: 1215 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,504,365 km

• M1: 125,662 km (0.095 R)
• M2: 481,406 km (0.108 R)
• M3: 835,205 km (0.106 R)
• M4: 1,575,864 km (0.078 R)
• M5: 2,377,709 km (0.1 R)
• M6: 2,798,228 km (0.109 R)
• M7: 3,326,757 km (0.088 R)
• M8: 3,678,163 km (0.083 R)
• M9: 4,173,930 km (0.078 R)
• M10: 4,583,828 km (0.101 R)
• M11: 5,000,907 km (0.093 R)
• M12: 5,589,425 km (0.114 R)
• M13: 5,933,500 km (0.084 R)
• M14: 8,415,778 km (0.107 R)
• M15: 9,458,176 km (0.113 R)
• M16: 10,073,322 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.6

Radius: 9.6

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.52 AU - 1.94 AU

Year: 1447 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,504,365 km

• M1: 119,828 km (0.094 R)
• M2: 419,024 km (0.088 R)
• M3: 741,108 km (0.056 R)
• M4: 1,116,299 km (0.104 R)
• M5: 1,580,651 km (0.042 R)
• M6: 2,170,366 km (0.086 R)
• M7: 2,731,657 km (0.035 R)
• M8: 3,032,199 km (0.062 R)
• M9: 3,355,031 km (0.098 R)
• M10: 4,273,862 km (0.095 R)
• M11: 5,008,836 km (0.093 R)
• M12: 5,330,023 km (0.058 R)
• M13: 6,278,772 km (0.073 R)
• M14: 6,884,195 km (0.083 R)
• M15: 7,639,215 km (0.031 R)
• M16: 8,659,323 km (0.106 R)
• M17: 9,409,706 km (0.079 R)
• M18: 10,168,766 km (0.06 R)
• M19: 12,535,404 km (0.084 R)
• M20: 13,009,330 km (0.108 R)
• M21: 13,825,686 km (0.063 R)
• M22: 14,374,560 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 15

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.64 AU - 2.6 AU

Year: 1963 Days

Day: 10 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,504,365 km

• M1: 187,446 km (0.101 R)
• M2: 818,001 km (0.071 R)
• M3: 1,529,788 km (0.044 R)
• M4: 2,341,207 km (0.042 R)
• M5: 3,365,204 km (0.033 R)
• M6: 4,006,979 km (0.113 R)
• M7: 4,808,524 km (0.108 R)
• M8: 5,941,579 km (0.109 R)
• M9: 7,219,892 km (0.048 R)
• M10: 8,150,391 km (0.1 R)
• M11: 9,888,569 km (0.059 R)
• M12: 10,966,870 km (0.088 R)
• M13: 11,679,854 km (0.114 R)
• M14: 12,768,328 km (0.058 R)
• M15: 13,238,215 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.1

Radius: 7.7

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.2 AU - 12.16 AU

Year: 23768 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,504,365 km

• M1: 95,743 km (0.107 R)
• M2: 743,202 km (0.111 R)
• M3: 1,683,425 km (0.081 R)
• M4: 2,237,087 km (0.119 R)
• M5: 3,066,008 km (0.091 R)
• M6: 7,298,132 km (0.047 R)
• M7: 7,849,400 km (0.116 R)
• M8: 8,810,866 km (0.111 R)
• M9: 11,621,810 km (0.114 R)
• M10: 11,891,535 km (0.078 R)
• M11: 13,597,848 km (0.096 R)
• M12: 14,124,732 km (0.079 R)
• M13: 21,051,263 km (0.079 R)
• M14: 22,166,515 km (0.088 R)
• M15: 22,686,218 km (0.11 R)
• M16: 24,624,558 km (0.111 R)
• M17: 27,140,345 km (0.069 R)
• M18: 32,944,742 km (0.086 R)
• M19: 35,707,665 km (0.106 R)
• M20: 36,565,759 km (0.114 R)
• M21: 37,878,630 km (0.113 R)
• M22: 38,472,084 km (0.097 R)
• M23: 39,071,673 km (0.095 R)
• M24: 52,779,026 km (0.12 R)
• M25: 59,492,829 km (0.061 R)
• M26: 65,469,563 km (0.094 R)
• M27: 71,608,162 km (0.109 R)
• M28: 72,743,311 km (0.071 R)
• M29: 77,880,502 km (0.049 R)
• M30: 79,564,525 km (0.043 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 19,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit