🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.2

Radius: 14.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.73 AU - 0.75 AU

Year: 411 Days

Day: 9.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,765,849 km

• M1: 182,958 km (0.091 R)
• M2: 762,650 km (0.115 R)
• M3: 1,251,835 km (0.119 R)
• M4: 1,920,837 km (0.102 R)
• M5: 2,645,339 km (0.112 R)
• M6: 3,225,928 km (0.079 R)
• M7: 3,716,609 km (0.054 R)
• M8: 4,352,550 km (0.026 R)
• M9: 5,245,350 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.9

Radius: 10.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.84 AU - 1.1 AU

Year: 617 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,765,849 km

• M1: 130,599 km (0.08 R)
• M2: 480,359 km (0.067 R)
• M3: 851,212 km (0.107 R)
• M4: 1,311,076 km (0.079 R)
• M5: 1,706,762 km (0.077 R)
• M6: 2,182,035 km (0.097 R)
• M7: 2,546,904 km (0.112 R)
• M8: 3,362,212 km (0.097 R)
• M9: 4,174,828 km (0.115 R)
• M10: 4,627,960 km (0.118 R)
• M11: 4,993,278 km (0.052 R)
• M12: 5,877,102 km (0.045 R)
• M13: 6,366,586 km (0.115 R)
• M14: 7,032,745 km (0.055 R)
• M15: 7,584,911 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 11.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.04 AU - 1.5 AU

Year: 924 Days

Day: 6.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,765,849 km

• M1: 138,677 km (0.111 R)
• M2: 498,610 km (0.034 R)
• M3: 932,743 km (0.093 R)
• M4: 1,311,076 km (0.098 R)
• M5: 2,021,815 km (0.097 R)
• M6: 3,994,413 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.1

Radius: 8.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.45 AU - 1.71 AU

Year: 1282 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,765,849 km

• M1: 110,702 km (0.065 R)
• M2: 549,623 km (0.108 R)
• M3: 1,063,940 km (0.118 R)
• M4: 2,021,366 km (0.115 R)
• M5: 2,487,962 km (0.077 R)
• M6: 2,770,553 km (0.057 R)
• M7: 3,164,145 km (0.112 R)
• M8: 4,474,472 km (0.09 R)
• M9: 5,017,961 km (0.119 R)
• M10: 7,114,576 km (0.119 R)
• M11: 7,689,031 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.1

Radius: 12.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.55 AU - 1.73 AU

Year: 1356 Days

Day: 14.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,765,849 km

• M1: 155,432 km (0.12 R)
• M2: 554,709 km (0.052 R)
• M3: 1,070,223 km (0.111 R)
• M4: 1,498,671 km (0.118 R)
• M5: 1,947,465 km (0.112 R)
• M6: 2,351,828 km (0.088 R)
• M7: 2,785,662 km (0.095 R)
• M8: 3,667,691 km (0.114 R)
• M9: 4,219,558 km (0.078 R)
• M10: 4,708,144 km (0.066 R)
• M11: 5,404,373 km (0.084 R)
• M12: 6,333,974 km (0.108 R)
• M13: 7,744,981 km (0.043 R)
• M14: 8,135,581 km (0.108 R)
• M15: 9,324,734 km (0.086 R)
• M16: 10,059,260 km (0.082 R)
• M17: 10,797,526 km (0.11 R)
• M18: 11,935,517 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 9.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.17 AU - 3.51 AU

Year: 3941 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,765,849 km

• M1: 122,072 km (0.102 R)
• M2: 448,494 km (0.118 R)
• M3: 834,008 km (0.119 R)
• M4: 1,178,382 km (0.063 R)
• M5: 1,923,978 km (0.116 R)
• M6: 2,887,688 km (0.11 R)
• M7: 3,247,171 km (0.09 R)
• M8: 3,596,333 km (0.083 R)
• M9: 4,057,094 km (0.076 R)
• M10: 4,676,280 km (0.1 R)
• M11: 5,735,433 km (0.096 R)
• M12: 7,867,801 km (0.104 R)
• M13: 8,393,338 km (0.08 R)
• M14: 9,553,769 km (0.079 R)
• M15: 11,780,533 km (0.106 R)
• M16: 13,232,380 km (0.12 R)
• M17: 15,601,412 km (0.12 R)
• M18: 15,929,929 km (0.097 R)
• M19: 18,361,044 km (0.082 R)
• M20: 19,538,080 km (0.1 R)
• M21: 23,370,628 km (0.103 R)
• M22: 24,163,946 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.8

Radius: 5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.54 AU - 6.8 AU

Year: 9896 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,765,849 km

• M1: 62,233 km (0.108 R)
• M2: 257,159 km (0.106 R)
• M3: 629,807 km (0.057 R)
• M4: 812,466 km (0.059 R)
• M5: 1,048,232 km (0.112 R)
• M6: 2,215,096 km (0.108 R)
• M7: 2,834,580 km (0.034 R)
• M8: 3,562,972 km (0.105 R)
• M9: 4,504,990 km (0.083 R)
• M10: 5,630,714 km (0.099 R)
• M11: 5,888,023 km (0.077 R)
• M12: 6,213,248 km (0.095 R)
• M13: 6,550,442 km (0.09 R)
• M14: 6,739,384 km (0.096 R)
• M15: 6,899,603 km (0.039 R)
• M16: 7,986,282 km (0.117 R)
• M17: 9,419,280 km (0.08 R)
• M18: 12,205,840 km (0.093 R)
• M19: 12,588,810 km (0.11 R)
• M20: 13,837,205 km (0.12 R)
• M21: 15,111,330 km (0.115 R)
• M22: 15,776,741 km (0.043 R)
• M23: 16,173,923 km (0.079 R)
• M24: 20,185,241 km (0.105 R)
• M25: 21,541,495 km (0.098 R)
• M26: 22,030,082 km (0.062 R)
• M27: 24,433,970 km (0.104 R)
• M28: 24,812,752 km (0.099 R)
• M29: 25,894,344 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 17,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit