🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 10.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.76 AU - 0.88 AU

Year: 522 Days

Day: 11.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,807,470 km

• M1: 129,402 km (0.038 R)
• M2: 547,229 km (0.032 R)
• M3: 899,831 km (0.101 R)
• M4: 1,475,484 km (0.084 R)
• M5: 1,972,149 km (0.105 R)
• M6: 2,310,988 km (0.078 R)
• M7: 2,855,823 km (0.093 R)
• M8: 3,521,235 km (0.109 R)
• M9: 4,517,108 km (0.106 R)
• M10: 4,970,688 km (0.08 R)
• M11: 5,487,699 km (0.07 R)
• M12: 5,969,404 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 10.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.82 AU - 2 AU

Year: 1855 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,807,470 km

• M1: 131,796 km (0.119 R)
• M2: 474,674 km (0.047 R)
• M3: 872,305 km (0.079 R)
• M4: 1,402,929 km (0.074 R)
• M5: 2,007,304 km (0.073 R)
• M6: 2,426,178 km (0.092 R)
• M7: 2,974,155 km (0.049 R)
• M8: 3,803,376 km (0.119 R)
• M9: 4,583,828 km (0.038 R)
• M10: 5,985,261 km (0.094 R)
• M11: 7,571,747 km (0.097 R)
• M12: 7,959,355 km (0.115 R)
• M13: 9,453,239 km (0.114 R)
• M14: 10,536,627 km (0.078 R)
• M15: 10,950,415 km (0.098 R)
• M16: 12,676,924 km (0.108 R)
• M17: 13,464,108 km (0.086 R)

Asteroid Belt

Center: 2.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 14.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.76 AU - 3.92 AU

Year: 4291 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,807,470 km

• M1: 187,745 km (0.083 R)
• M2: 837,598 km (0.082 R)
• M3: 1,348,176 km (0.1 R)
• M4: 2,408,825 km (0.088 R)
• M5: 4,478,661 km (0.103 R)
• M6: 5,125,971 km (0.058 R)
• M7: 6,523,365 km (0.11 R)
• M8: 7,234,254 km (0.116 R)
• M9: 8,363,119 km (0.109 R)
• M10: 9,718,626 km (0.11 R)
• M11: 12,908,052 km (0.034 R)
• M12: 16,523,384 km (0.09 R)
• M13: 17,176,379 km (0.1 R)
• M14: 17,846,577 km (0.036 R)
• M15: 18,708,710 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 11.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.28 AU - 5.12 AU

Year: 7162 Days

Day: 11.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,807,470 km

• M1: 148,999 km (0.084 R)
• M2: 625,917 km (0.089 R)
• M3: 1,661,883 km (0.099 R)
• M4: 2,463,428 km (0.095 R)
• M5: 3,417,563 km (0.106 R)
• M6: 4,155,081 km (0.066 R)
• M7: 5,083,036 km (0.07 R)
• M8: 7,423,046 km (0.065 R)
• M9: 7,965,638 km (0.072 R)
• M10: 9,753,931 km (0.065 R)
• M11: 10,742,174 km (0.057 R)
• M12: 12,481,998 km (0.12 R)
• M13: 15,558,029 km (0.102 R)
• M14: 17,371,903 km (0.081 R)
• M15: 19,035,431 km (0.059 R)
• M16: 20,802,930 km (0.05 R)
• M17: 24,239,044 km (0.069 R)
• M18: 24,832,199 km (0.116 R)
• M19: 26,312,919 km (0.107 R)
• M20: 29,545,579 km (0.081 R)
• M21: 30,712,293 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.2

Radius: 5.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.05 AU - 6.81 AU

Year: 10151 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,807,470 km

• M1: 65,973 km (0.093 R)
• M2: 363,672 km (0.116 R)
• M3: 575,204 km (0.097 R)
• M4: 821,442 km (0.074 R)
• M5: 2,623,348 km (0.1 R)
• M6: 3,707,334 km (0.112 R)
• M7: 4,019,246 km (0.039 R)
• M8: 5,494,431 km (0.062 R)
• M9: 6,742,675 km (0.094 R)
• M10: 7,539,583 km (0.111 R)
• M11: 9,108,416 km (0.054 R)
• M12: 9,424,965 km (0.084 R)
• M13: 9,895,301 km (0.11 R)
• M14: 12,312,952 km (0.09 R)
• M15: 16,924,306 km (0.113 R)
• M16: 18,220,572 km (0.11 R)
• M17: 19,120,553 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.6

Radius: 3.2

Gravity: 95.66 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.07 AU - 10.11 AU

Year: 22529 Days

Day: 19.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,807,470 km

• M1: 49,367 km (0.097 R)
• M2: 299,794 km (0.04 R)
• M3: 426,952 km (0.119 R)
• M4: 1,096,552 km (0.089 R)
• M5: 1,274,723 km (0.06 R)
• M6: 1,437,785 km (0.114 R)
• M7: 2,724,028 km (0.101 R)
• M8: 4,815,406 km (0.118 R)
• M9: 5,670,657 km (0.086 R)
• M10: 5,888,322 km (0.111 R)
• M11: 7,161,100 km (0.071 R)
• M12: 10,623,094 km (0.11 R)
• M13: 10,887,135 km (0.069 R)
• M14: 15,643,001 km (0.089 R)
• M15: 17,860,490 km (0.11 R)
• M16: 18,995,638 km (0.118 R)
• M17: 23,125,736 km (0.114 R)
• M18: 25,633,894 km (0.112 R)
• M19: 28,443,642 km (0.114 R)
• M20: 36,874,678 km (0.077 R)
• M21: 44,743,676 km (0.098 R)
• M22: 62,400,264 km (0.1 R)
• M23: 65,658,805 km (0.059 R)
• M24: 70,640,563 km (0.059 R)
• M25: 73,461,082 km (0.212 R)
• M26: 88,425,506 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 16,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit