🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482

Radius: 12.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.52 AU - 0.84 AU

Year: 394 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,197,966 km

• M1: 152,291 km (0.078 R)
• M2: 896,989 km (0.053 R)
• M3: 1,297,911 km (0.097 R)
• M4: 2,013,587 km (0.103 R)
• M5: 2,520,425 km (0.073 R)
• M6: 3,090,991 km (0.109 R)
• M7: 4,574,104 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753

Radius: 14

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.71 AU - 1.09 AU

Year: 600 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,197,966 km

• M1: 180,116 km (0.094 R)
• M2: 634,145 km (0.103 R)
• M3: 1,174,343 km (0.045 R)
• M4: 1,905,877 km (0.118 R)
• M5: 2,483,325 km (0.091 R)
• M6: 2,962,636 km (0.082 R)
• M7: 3,465,135 km (0.066 R)
• M8: 3,910,937 km (0.088 R)
• M9: 5,924,674 km (0.112 R)
• M10: 7,062,366 km (0.08 R)
• M11: 7,516,695 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 11

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.96 AU - 1.14 AU

Year: 756 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,197,966 km

• M1: 137,331 km (0.04 R)
• M2: 484,099 km (0.116 R)
• M3: 864,676 km (0.1 R)
• M4: 1,438,982 km (0.078 R)
• M5: 2,674,361 km (0.056 R)
• M6: 3,304,168 km (0.096 R)
• M7: 3,683,848 km (0.11 R)
• M8: 4,124,114 km (0.028 R)
• M9: 4,599,536 km (0.119 R)
• M10: 5,680,381 km (0.111 R)
• M11: 6,103,593 km (0.061 R)
• M12: 6,722,480 km (0.105 R)
• M13: 8,596,492 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.5

Radius: 10.3

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.19 AU - 1.23 AU

Year: 936 Days

Day: 6.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,197,966 km

• M1: 128,056 km (0.116 R)
• M2: 462,407 km (0.115 R)
• M3: 860,786 km (0.06 R)
• M4: 1,376,450 km (0.076 R)
• M5: 1,703,022 km (0.09 R)
• M6: 2,490,655 km (0.06 R)
• M7: 3,680,257 km (0.09 R)
• M8: 4,334,449 km (0.115 R)
• M9: 4,675,681 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 15

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.09 AU - 1.35 AU

Year: 947 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,197,966 km

• M1: 186,549 km (0.084 R)
• M2: 878,140 km (0.099 R)
• M3: 1,493,735 km (0.098 R)
• M4: 1,979,629 km (0.044 R)
• M5: 2,739,586 km (0.094 R)
• M6: 3,701,051 km (0.041 R)
• M7: 4,220,306 km (0.032 R)
• M8: 4,983,853 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 10.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.23 AU - 2.45 AU

Year: 2516 Days

Day: 11.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,197,966 km

• M1: 134,339 km (0.1 R)
• M2: 539,600 km (0.073 R)
• M3: 1,239,269 km (0.065 R)
• M4: 1,850,974 km (0.102 R)
• M5: 2,701,289 km (0.106 R)
• M6: 3,619,371 km (0.094 R)
• M7: 5,509,540 km (0.03 R)
• M8: 6,090,578 km (0.104 R)
• M9: 8,868,162 km (0.075 R)
• M10: 10,239,077 km (0.09 R)
• M11: 10,995,593 km (0.096 R)
• M12: 12,134,332 km (0.101 R)
• M13: 12,845,221 km (0.119 R)
• M14: 13,210,988 km (0.114 R)
• M15: 14,011,486 km (0.117 R)
• M16: 15,812,794 km (0.11 R)
• M17: 17,990,042 km (0.102 R)
• M18: 18,914,407 km (0.094 R)
• M19: 19,388,333 km (0.109 R)
• M20: 20,983,495 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 9.5

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.65 AU - 5.01 AU

Year: 6333 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,197,966 km

• M1: 125,812 km (0.049 R)
• M2: 464,801 km (0.105 R)
• M3: 1,362,986 km (0.109 R)
• M4: 1,808,040 km (0.073 R)
• M5: 3,655,574 km (0.113 R)
• M6: 4,253,666 km (0.096 R)
• M7: 4,715,774 km (0.065 R)
• M8: 5,302,048 km (0.034 R)
• M9: 7,355,428 km (0.095 R)
• M10: 8,601,728 km (0.028 R)
• M11: 11,251,555 km (0.083 R)
• M12: 12,351,997 km (0.04 R)
• M13: 13,294,015 km (0.064 R)
• M14: 13,987,401 km (0.092 R)
• M15: 15,072,285 km (0.108 R)
• M16: 15,762,380 km (0.101 R)
• M17: 23,864,750 km (0.046 R)
• M18: 26,119,489 km (0.058 R)
• M19: 30,252,429 km (0.091 R)
• M20: 31,857,465 km (0.099 R)
• M21: 32,888,942 km (0.087 R)
• M22: 34,693,541 km (0.057 R)
• M23: 38,847,276 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 13,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit