🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 14.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.81 AU - 0.83 AU

Year: 479 Days

Day: 5.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,127,985 km

• M1: 175,329 km (0.098 R)
• M2: 652,396 km (0.036 R)
• M3: 1,098,497 km (0.082 R)
• M4: 1,645,726 km (0.082 R)
• M5: 2,332,231 km (0.053 R)
• M6: 2,835,927 km (0.106 R)
• M7: 3,356,976 km (0.082 R)
• M8: 3,917,220 km (0.096 R)
• M9: 4,431,538 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 12.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.09 AU - 1.17 AU

Year: 776 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,127,985 km

• M1: 173,683 km (0.117 R)
• M2: 590,912 km (0.026 R)
• M3: 1,041,650 km (0.059 R)
• M4: 1,480,421 km (0.108 R)
• M5: 1,882,689 km (0.114 R)
• M6: 2,301,563 km (0.034 R)
• M7: 2,761,427 km (0.117 R)
• M8: 3,706,437 km (0.057 R)
• M9: 4,313,655 km (0.096 R)
• M10: 4,856,396 km (0.11 R)
• M11: 5,783,005 km (0.083 R)
• M12: 6,602,502 km (0.093 R)
• M13: 7,050,847 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 14.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.94 AU - 1.56 AU

Year: 902 Days

Day: 7.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 65.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,127,985 km

• M1: 179,218 km (0.108 R)
• M2: 685,457 km (0.081 R)
• M3: 1,333,815 km (0.117 R)
• M4: 1,851,423 km (0.072 R)
• M5: 2,403,888 km (0.099 R)
• M6: 2,861,658 km (0.089 R)
• M7: 3,350,394 km (0.027 R)
• M8: 3,988,728 km (0.08 R)
• M9: 5,511,634 km (0.091 R)
• M10: 6,762,273 km (0.096 R)
• M11: 8,091,450 km (0.107 R)
• M12: 8,642,568 km (0.038 R)
• M13: 10,027,096 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 8.1

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.98 AU - 5.92 AU

Year: 8215 Days

Day: 7.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,127,985 km

• M1: 103,821 km (0.08 R)
• M2: 407,654 km (0.098 R)
• M3: 667,356 km (0.118 R)
• M4: 1,043,296 km (0.101 R)
• M5: 1,340,696 km (0.063 R)
• M6: 1,965,118 km (0.117 R)
• M7: 2,425,131 km (0.097 R)
• M8: 3,904,953 km (0.088 R)
• M9: 4,662,068 km (0.076 R)
• M10: 7,680,803 km (0.118 R)
• M11: 8,688,495 km (0.038 R)
• M12: 8,953,582 km (0.12 R)
• M13: 10,312,080 km (0.034 R)
• M14: 11,117,964 km (0.055 R)
• M15: 11,589,347 km (0.043 R)
• M16: 12,238,452 km (0.092 R)
• M17: 13,373,900 km (0.12 R)
• M18: 15,079,316 km (0.101 R)
• M19: 16,382,912 km (0.099 R)
• M20: 17,339,141 km (0.107 R)
• M21: 18,187,960 km (0.114 R)
• M22: 18,476,983 km (0.089 R)
• M23: 23,188,568 km (0.09 R)
• M24: 23,699,743 km (0.03 R)
• M25: 24,656,272 km (0.09 R)
• M26: 26,276,866 km (0.095 R)
• M27: 29,232,022 km (0.085 R)
• M28: 31,046,046 km (0.103 R)
• M29: 33,255,607 km (0.104 R)
• M30: 36,361,857 km (0.064 R)
• M31: 40,756,294 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 13,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit