🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.6 AU - 0.82 AU

Year: 216 Days

Day: 30.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.92 AU - 2.68 AU

Year: 1261 Days

Day: 29.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 168.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.64 AU - 3.5 AU

Year: 1945 Days

Day: 26.3 Hours

Environment

Temp: -100 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.4

Radius: 13

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.73 AU - 7.15 AU

Year: 5236 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,352,788 km

• M1: 161,715 km (0.082 R)
• M2: 699,968 km (0.078 R)
• M3: 1,516,922 km (0.109 R)
• M4: 2,175,003 km (0.104 R)
• M5: 2,701,588 km (0.075 R)
• M6: 3,644,055 km (0.095 R)
• M7: 5,651,060 km (0.118 R)
• M8: 7,776,696 km (0.078 R)
• M9: 8,253,165 km (0.037 R)
• M10: 9,295,712 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 15

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.93 AU - 11.45 AU

Year: 11764 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,352,788 km

• M1: 187,446 km (0.07 R)
• M2: 836,701 km (0.115 R)
• M3: 1,380,639 km (0.11 R)
• M4: 2,257,432 km (0.073 R)
• M5: 3,024,719 km (0.12 R)
• M6: 3,611,891 km (0.078 R)
• M7: 4,159,120 km (0.08 R)
• M8: 4,793,116 km (0.052 R)
• M9: 5,526,295 km (0.078 R)
• M10: 7,822,622 km (0.032 R)
• M11: 8,745,342 km (0.115 R)
• M12: 10,264,508 km (0.113 R)
• M13: 10,919,149 km (0.036 R)
• M14: 12,864,370 km (0.092 R)
• M15: 19,995,401 km (0.116 R)
• M16: 20,673,528 km (0.069 R)
• M17: 23,261,272 km (0.113 R)
• M18: 26,359,893 km (0.113 R)
• M19: 30,274,570 km (0.071 R)
• M20: 38,712,339 km (0.086 R)
• M21: 42,904,221 km (0.115 R)
• M22: 43,749,149 km (0.076 R)
• M23: 48,596,120 km (0.072 R)
• M24: 49,360,416 km (0.026 R)
• M25: 50,288,222 km (0.063 R)
• M26: 55,600,293 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.5

Radius: 7.5

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.22 AU - 13.22 AU

Year: 16407 Days

Day: 19.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,352,788 km

• M1: 93,499 km (0.044 R)
• M2: 398,230 km (0.085 R)
• M3: 1,638,695 km (0.113 R)
• M4: 2,860,311 km (0.105 R)
• M5: 4,048,567 km (0.096 R)
• M6: 4,909,952 km (0.068 R)
• M7: 8,683,857 km (0.043 R)
• M8: 9,992,240 km (0.113 R)
• M9: 11,489,715 km (0.097 R)
• M10: 12,193,872 km (0.109 R)
• M11: 14,115,606 km (0.052 R)
• M12: 16,151,783 km (0.101 R)
• M13: 16,710,082 km (0.103 R)
• M14: 19,696,205 km (0.107 R)
• M15: 21,648,906 km (0.073 R)
• M16: 27,032,934 km (0.08 R)
• M17: 29,912,842 km (0.095 R)
• M18: 33,502,443 km (0.106 R)
• M19: 43,634,408 km (0.049 R)
• M20: 44,250,601 km (0.089 R)
• M21: 46,773,270 km (0.087 R)
• M22: 48,233,645 km (0.097 R)
• M23: 57,824,215 km (0.097 R)
• M24: 58,754,414 km (0.099 R)
• M25: 59,129,157 km (0.101 R)
• M26: 61,991,413 km (0.102 R)
• M27: 62,379,919 km (0.112 R)
• M28: 65,949,623 km (0.093 R)
• M29: 68,403,626 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.9

Radius: 3.6

Gravity: 40.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.47 AU - 18.59 AU

Year: 22133 Days

Day: 15.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 136.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,352,788 km

• M1: 52,509 km (0.093 R)
• M2: 208,091 km (0.06 R)
• M3: 612,902 km (0.097 R)
• M4: 814,560 km (0.087 R)
• M5: 960,718 km (0.039 R)
• M6: 1,178,233 km (0.103 R)
• M7: 3,778,244 km (0.048 R)
• M8: 4,318,442 km (0.12 R)
• M9: 4,764,842 km (0.111 R)
• M10: 6,161,338 km (0.109 R)
• M11: 6,998,338 km (0.107 R)
• M12: 7,230,514 km (0.087 R)
• M13: 7,710,573 km (0.095 R)
• M14: 7,958,308 km (0.068 R)
• M15: 8,262,590 km (0.116 R)
• M16: 11,044,960 km (0.072 R)
• M17: 11,296,434 km (0.108 R)
• M18: 19,799,428 km (0.088 R)
• M19: 20,735,462 km (0.09 R)
• M20: 23,306,600 km (0.104 R)
• M21: 27,549,645 km (0.111 R)
• M22: 32,793,200 km (0.109 R)
• M23: 55,123,225 km (0.103 R)
• M24: 56,411,113 km (0.11 R)
• M25: 66,199,451 km (0.079 R)
• M26: 68,494,881 km (0.093 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 14,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit