🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.5 AU - 0.56 AU

Year: 245 Days

Day: 43.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,529,901 km

• M1: 144,212 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 12.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.64 AU - 0.94 AU

Year: 446 Days

Day: 7.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 142.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,529,901 km

• M1: 160,369 km (0.095 R)
• M2: 731,085 km (0.058 R)
• M3: 1,503,459 km (0.085 R)
• M4: 2,247,708 km (0.094 R)
• M5: 3,108,045 km (0.066 R)

Asteroid Belt

Center: 1.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 11.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.32 AU - 1.34 AU

Year: 975 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,529,901 km

• M1: 146,756 km (0.058 R)
• M2: 525,986 km (0.087 R)
• M3: 1,119,291 km (0.119 R)
• M4: 1,700,030 km (0.09 R)
• M5: 2,227,064 km (0.105 R)
• M6: 2,785,363 km (0.114 R)
• M7: 3,410,682 km (0.056 R)
• M8: 4,737,316 km (0.076 R)
• M9: 5,971,049 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 12.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.31 AU - 2.03 AU

Year: 1372 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,529,901 km

• M1: 156,779 km (0.112 R)
• M2: 625,469 km (0.091 R)
• M3: 1,044,044 km (0.093 R)
• M4: 1,720,824 km (0.042 R)
• M5: 2,297,225 km (0.076 R)
• M6: 2,738,539 km (0.063 R)
• M7: 3,236,550 km (0.096 R)
• M8: 3,762,985 km (0.081 R)
• M9: 4,950,942 km (0.088 R)
• M10: 6,261,419 km (0.031 R)
• M11: 6,889,281 km (0.104 R)
• M12: 8,884,468 km (0.071 R)
• M13: 9,290,327 km (0.045 R)
• M14: 10,973,602 km (0.095 R)
• M15: 11,475,353 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.2

Radius: 7.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.46 AU - 9.62 AU

Year: 14495 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,529,901 km

• M1: 92,003 km (0.11 R)
• M2: 331,060 km (0.071 R)
• M3: 609,312 km (0.108 R)
• M4: 2,938,401 km (0.025 R)
• M5: 4,778,455 km (0.073 R)
• M6: 13,687,158 km (0.117 R)
• M7: 16,559,437 km (0.087 R)
• M8: 26,051,721 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.8

Radius: 3.1

Gravity: 51.7 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.74 AU - 10.62 AU

Year: 19149 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,529,901 km

• M1: 55,202 km (0.086 R)
• M2: 432,039 km (0.091 R)
• M3: 644,468 km (0.044 R)
• M4: 1,100,741 km (0.111 R)
• M5: 1,287,738 km (0.099 R)
• M6: 5,097,697 km (0.1 R)
• M7: 5,653,752 km (0.057 R)
• M8: 14,231,694 km (0.105 R)
• M9: 14,590,729 km (0.097 R)
• M10: 18,860,851 km (0.103 R)
• M11: 19,206,721 km (0.116 R)
• M12: 19,468,816 km (0.057 R)
• M13: 20,632,538 km (0.11 R)
• M14: 21,747,192 km (0.061 R)
• M15: 36,233,053 km (0.055 R)
• M16: 37,306,717 km (0.12 R)
• M17: 40,225,671 km (0.055 R)
• M18: 43,293,175 km (0.099 R)
• M19: 47,143,974 km (0.093 R)
• M20: 48,261,619 km (0.077 R)
• M21: 51,216,626 km (0.103 R)
• M22: 52,738,336 km (0.072 R)
• M23: 53,596,579 km (0.051 R)
• M24: 56,943,083 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859

Radius: 5.8

Gravity: 25.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.62 AU - 10.64 AU

Year: 22036 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,529,901 km

• M1: 144,811 km (0.118 R)
• M2: 517,160 km (0.106 R)
• M3: 1,281,156 km (0.101 R)
• M4: 3,663,502 km (0.054 R)
• M5: 9,865,680 km (0.027 R)
• M6: 12,227,980 km (0.109 R)
• M7: 12,583,425 km (0.043 R)
• M8: 13,240,608 km (0.088 R)
• M9: 15,267,211 km (0.109 R)
• M10: 18,681,034 km (0.067 R)
• M11: 19,631,878 km (0.09 R)
• M12: 26,850,125 km (0.053 R)
• M13: 30,198,873 km (0.048 R)
• M14: 31,639,501 km (0.054 R)
• M15: 33,262,638 km (0.099 R)
• M16: 36,968,327 km (0.116 R)
• M17: 41,735,263 km (0.119 R)
• M18: 42,056,150 km (0.104 R)
• M19: 44,182,235 km (0.118 R)
• M20: 46,378,781 km (0.102 R)
• M21: 54,735,617 km (0.095 R)
• M22: 60,283,753 km (0.108 R)
• M23: 61,312,388 km (0.084 R)
• M24: 75,056,244 km (0.117 R)
• M25: 79,399,818 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 17,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit