🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 12.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 12.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,323,342 km

• M1: 157,975 km (0.115 R)
• M2: 580,440 km (0.085 R)
• M3: 1,133,054 km (0.096 R)
• M4: 1,664,725 km (0.074 R)
• M5: 2,528,204 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.59 AU - 0.67 AU

Year: 333 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,323,342 km

• M1: 111,899 km (0.119 R)
• M2: 481,705 km (0.078 R)
• M3: 851,212 km (0.079 R)
• M4: 1,163,273 km (0.115 R)
• M5: 1,655,899 km (0.119 R)
• M6: 2,035,877 km (0.073 R)
• M7: 2,390,424 km (0.046 R)
• M8: 2,695,454 km (0.106 R)
• M9: 3,026,664 km (0.094 R)
• M10: 3,315,837 km (0.09 R)
• M11: 4,309,915 km (0.119 R)
• M12: 4,943,761 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 13.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.53 AU - 2.51 AU

Year: 1915 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,323,342 km

• M1: 165,605 km (0.101 R)
• M2: 576,999 km (0.062 R)
• M3: 1,044,492 km (0.12 R)
• M4: 1,621,491 km (0.086 R)
• M5: 2,135,510 km (0.038 R)
• M6: 2,938,850 km (0.073 R)
• M7: 3,883,112 km (0.073 R)
• M8: 4,313,954 km (0.112 R)
• M9: 5,987,655 km (0.103 R)
• M10: 7,639,215 km (0.073 R)
• M11: 9,967,557 km (0.092 R)
• M12: 11,133,223 km (0.116 R)
• M13: 11,712,316 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 14.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.69 AU - 3.69 AU

Year: 3799 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,323,342 km

• M1: 181,612 km (0.081 R)
• M2: 853,605 km (0.088 R)
• M3: 1,904,381 km (0.116 R)
• M4: 2,691,864 km (0.092 R)
• M5: 3,534,998 km (0.117 R)
• M6: 4,657,730 km (0.032 R)
• M7: 5,620,990 km (0.084 R)
• M8: 7,273,000 km (0.12 R)
• M9: 8,211,577 km (0.063 R)
• M10: 9,526,841 km (0.112 R)
• M11: 10,457,490 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 11.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.38 AU - 4.36 AU

Year: 5077 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,323,342 km

• M1: 144,811 km (0.025 R)
• M2: 533,466 km (0.059 R)
• M3: 974,929 km (0.086 R)
• M4: 1,561,652 km (0.042 R)
• M5: 2,003,863 km (0.107 R)
• M6: 3,018,735 km (0.028 R)
• M7: 3,530,510 km (0.111 R)
• M8: 3,946,392 km (0.071 R)
• M9: 4,371,848 km (0.074 R)
• M10: 5,132,105 km (0.115 R)
• M11: 7,270,606 km (0.097 R)
• M12: 7,843,716 km (0.106 R)
• M13: 8,374,040 km (0.1 R)
• M14: 9,195,183 km (0.063 R)
• M15: 13,618,792 km (0.101 R)
• M16: 14,127,275 km (0.078 R)
• M17: 16,402,359 km (0.055 R)
• M18: 17,627,117 km (0.088 R)
• M19: 18,600,401 km (0.107 R)
• M20: 20,389,442 km (0.089 R)
• M21: 22,011,831 km (0.076 R)
• M22: 23,791,746 km (0.099 R)
• M23: 24,232,910 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.4

Radius: 7.8

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.89 AU - 9.11 AU

Year: 13697 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,323,342 km

• M1: 97,089 km (0.094 R)
• M2: 340,634 km (0.112 R)
• M3: 832,213 km (0.117 R)
• M4: 1,078,900 km (0.114 R)
• M5: 1,416,243 km (0.118 R)
• M6: 1,694,944 km (0.093 R)
• M7: 2,267,605 km (0.052 R)
• M8: 2,526,259 km (0.074 R)
• M9: 3,199,749 km (0.112 R)
• M10: 3,500,590 km (0.113 R)
• M11: 4,247,383 km (0.119 R)
• M12: 6,128,576 km (0.032 R)
• M13: 9,135,792 km (0.072 R)
• M14: 9,952,298 km (0.075 R)
• M15: 13,195,430 km (0.1 R)
• M16: 13,775,122 km (0.111 R)
• M17: 15,123,896 km (0.082 R)
• M18: 18,082,044 km (0.099 R)
• M19: 19,863,156 km (0.09 R)
• M20: 22,204,962 km (0.053 R)
• M21: 22,657,944 km (0.104 R)
• M22: 27,845,998 km (0.116 R)
• M23: 28,266,966 km (0.081 R)
• M24: 28,906,348 km (0.084 R)
• M25: 30,882,536 km (0.119 R)
• M26: 41,031,704 km (0.106 R)
• M27: 42,681,768 km (0.104 R)
• M28: 43,947,965 km (0.084 R)
• M29: 50,034,354 km (0.105 R)
• M30: 51,758,021 km (0.119 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: 529 - 18,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit