🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 12.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 259 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,116,035 km

• M1: 155,432 km (0.118 R)
• M2: 639,680 km (0.104 R)
• M3: 1,049,728 km (0.029 R)
• M4: 1,487,900 km (0.103 R)
• M5: 2,034,681 km (0.047 R)
• M6: 2,454,452 km (0.062 R)
• M7: 3,122,556 km (0.09 R)
• M8: 3,651,983 km (0.085 R)
• M9: 4,291,664 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.2

Radius: 10.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.68 AU - 0.86 AU

Year: 466 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,116,035 km

• M1: 127,757 km (0.052 R)
• M2: 523,593 km (0.099 R)
• M3: 997,519 km (0.072 R)
• M4: 1,417,141 km (0.08 R)
• M5: 1,798,615 km (0.072 R)
• M6: 2,141,793 km (0.081 R)
• M7: 2,519,677 km (0.117 R)
• M8: 2,871,980 km (0.097 R)
• M9: 3,389,289 km (0.109 R)
• M10: 3,881,466 km (0.114 R)
• M11: 4,235,565 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 13.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.02 AU - 1.06 AU

Year: 732 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,116,035 km

• M1: 162,912 km (0.119 R)
• M2: 702,212 km (0.064 R)
• M3: 1,145,022 km (0.072 R)
• M4: 1,559,408 km (0.102 R)
• M5: 2,050,688 km (0.109 R)
• M6: 2,687,077 km (0.117 R)
• M7: 3,221,590 km (0.093 R)
• M8: 4,142,814 km (0.093 R)
• M9: 4,658,178 km (0.105 R)
• M10: 5,100,988 km (0.097 R)
• M11: 5,800,657 km (0.112 R)
• M12: 6,544,009 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 10.6

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1 AU - 1.28 AU

Year: 840 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 11,116,035 km

• M1: 131,796 km (0.108 R)
• M2: 551,867 km (0.08 R)
• M3: 1,028,037 km (0.081 R)
• M4: 1,565,841 km (0.059 R)
• M5: 2,439,044 km (0.041 R)
• M6: 3,076,181 km (0.11 R)
• M7: 3,550,556 km (0.041 R)
• M8: 3,993,366 km (0.043 R)
• M9: 4,735,521 km (0.102 R)
• M10: 5,102,185 km (0.085 R)
• M11: 6,493,744 km (0.116 R)
• M12: 7,064,161 km (0.082 R)
• M13: 8,252,866 km (0.092 R)
• M14: 8,596,791 km (0.096 R)
• M15: 9,920,732 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 8.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.11 AU - 1.31 AU

Year: 919 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,116,035 km

• M1: 104,569 km (0.086 R)
• M2: 436,527 km (0.072 R)
• M3: 1,721,722 km (0.09 R)
• M4: 2,013,139 km (0.063 R)
• M5: 2,979,242 km (0.098 R)
• M6: 3,489,670 km (0.098 R)
• M7: 3,799,188 km (0.101 R)
• M8: 4,503,345 km (0.116 R)
• M9: 5,242,059 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 13.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.49 AU - 1.95 AU

Year: 1557 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,116,035 km

• M1: 166,652 km (0.076 R)
• M2: 708,944 km (0.096 R)
• M3: 1,737,579 km (0.081 R)
• M4: 2,436,501 km (0.107 R)
• M5: 2,901,899 km (0.057 R)
• M6: 3,442,696 km (0.073 R)
• M7: 4,809,123 km (0.11 R)
• M8: 5,395,098 km (0.101 R)
• M9: 6,314,676 km (0.099 R)
• M10: 6,837,819 km (0.101 R)
• M11: 7,525,820 km (0.069 R)
• M12: 8,494,616 km (0.066 R)
• M13: 9,512,779 km (0.115 R)
• M14: 10,337,063 km (0.095 R)
• M15: 10,994,995 km (0.086 R)
• M16: 11,828,704 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 10.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.61 AU - 2.01 AU

Year: 1681 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,116,035 km

• M1: 134,339 km (0.085 R)
• M2: 550,819 km (0.105 R)
• M3: 1,182,422 km (0.048 R)
• M4: 1,565,542 km (0.048 R)
• M5: 3,136,319 km (0.06 R)
• M6: 3,965,989 km (0.105 R)
• M7: 4,459,213 km (0.104 R)
• M8: 5,820,404 km (0.094 R)
• M9: 6,436,299 km (0.102 R)
• M10: 7,192,666 km (0.046 R)
• M11: 7,694,866 km (0.063 R)
• M12: 9,911,158 km (0.046 R)
• M13: 10,375,660 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit