🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 11.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.06 AU - 1.28 AU

Year: 858 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,671,485 km

• M1: 147,952 km (0.034 R)
• M2: 527,183 km (0.058 R)
• M3: 1,547,141 km (0.079 R)
• M4: 2,285,556 km (0.102 R)
• M5: 2,662,094 km (0.074 R)
• M6: 3,143,500 km (0.094 R)
• M7: 4,005,333 km (0.103 R)
• M8: 4,541,343 km (0.075 R)
• M9: 4,983,255 km (0.079 R)
• M10: 6,359,256 km (0.061 R)
• M11: 7,203,287 km (0.068 R)
• M12: 7,617,224 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.3

Radius: 12.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.47 AU - 1.53 AU

Year: 1246 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,671,485 km

• M1: 156,629 km (0.102 R)
• M2: 652,097 km (0.113 R)
• M3: 1,469,051 km (0.059 R)
• M4: 2,028,846 km (0.079 R)
• M5: 2,496,489 km (0.093 R)
• M6: 3,447,782 km (0.093 R)
• M7: 3,925,897 km (0.101 R)
• M8: 4,676,729 km (0.084 R)
• M9: 5,863,040 km (0.11 R)
• M10: 6,402,639 km (0.119 R)
• M11: 7,062,964 km (0.086 R)
• M12: 8,420,266 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 10.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.4 AU - 1.9 AU

Year: 1438 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,671,485 km

• M1: 129,402 km (0.111 R)
• M2: 468,989 km (0.12 R)
• M3: 1,651,560 km (0.088 R)
• M4: 2,096,614 km (0.119 R)
• M5: 2,432,910 km (0.061 R)
• M6: 2,805,409 km (0.093 R)
• M7: 3,699,406 km (0.039 R)
• M8: 4,230,628 km (0.089 R)
• M9: 4,695,578 km (0.105 R)
• M10: 5,772,533 km (0.112 R)
• M11: 7,082,861 km (0.055 R)
• M12: 7,659,112 km (0.098 R)
• M13: 8,153,682 km (0.055 R)
• M14: 9,452,641 km (0.104 R)
• M15: 10,184,174 km (0.088 R)
• M16: 11,299,127 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 11

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.77 AU - 2.31 AU

Year: 1976 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,671,485 km

• M1: 137,181 km (0.079 R)
• M2: 533,915 km (0.11 R)
• M3: 1,236,127 km (0.064 R)
• M4: 1,813,725 km (0.074 R)
• M5: 2,191,908 km (0.111 R)
• M6: 2,993,005 km (0.032 R)
• M7: 3,468,875 km (0.084 R)
• M8: 3,823,871 km (0.117 R)
• M9: 4,318,891 km (0.1 R)
• M10: 5,094,555 km (0.038 R)
• M11: 5,735,433 km (0.112 R)
• M12: 7,440,250 km (0.069 R)
• M13: 8,265,881 km (0.086 R)
• M14: 9,805,392 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 8.8

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.37 AU - 5.07 AU

Year: 5880 Days

Day: 8.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,671,485 km

• M1: 140,772 km (0.103 R)
• M2: 425,756 km (0.052 R)
• M3: 2,367,087 km (0.077 R)
• M4: 3,150,382 km (0.109 R)
• M5: 3,679,659 km (0.064 R)
• M6: 5,306,685 km (0.119 R)
• M7: 6,182,880 km (0.056 R)
• M8: 6,739,683 km (0.105 R)
• M9: 7,766,224 km (0.108 R)
• M10: 8,572,257 km (0.096 R)
• M11: 8,975,124 km (0.097 R)
• M12: 10,853,625 km (0.084 R)
• M13: 17,974,334 km (0.074 R)
• M14: 19,935,113 km (0.114 R)
• M15: 20,571,652 km (0.061 R)
• M16: 22,109,369 km (0.09 R)
• M17: 22,638,496 km (0.113 R)
• M18: 24,517,146 km (0.074 R)
• M19: 26,837,559 km (0.118 R)
• M20: 30,586,930 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.57 AU - 8.27 AU

Year: 15117 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,671,485 km

• M1: 100,829 km (0.074 R)
• M2: 687,851 km (0.046 R)
• M3: 1,628,971 km (0.104 R)
• M4: 2,249,653 km (0.083 R)
• M5: 2,856,422 km (0.073 R)
• M6: 3,927,842 km (0.071 R)
• M7: 6,006,055 km (0.105 R)
• M8: 6,693,458 km (0.1 R)
• M9: 7,703,542 km (0.11 R)
• M10: 9,027,932 km (0.03 R)
• M11: 9,336,852 km (0.083 R)
• M12: 14,798,371 km (0.09 R)
• M13: 16,765,733 km (0.102 R)
• M14: 17,098,588 km (0.051 R)
• M15: 17,708,947 km (0.07 R)
• M16: 18,901,093 km (0.09 R)
• M17: 19,774,445 km (0.088 R)
• M18: 20,071,397 km (0.057 R)
• M19: 20,980,204 km (0.094 R)
• M20: 22,154,397 km (0.114 R)
• M21: 25,237,460 km (0.072 R)
• M22: 25,586,921 km (0.096 R)
• M23: 26,117,245 km (0.039 R)
• M24: 34,653,898 km (0.116 R)
• M25: 38,095,846 km (0.1 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: 415 - 16,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit