🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 13.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.76 AU - 1.04 AU

Year: 543 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,475,861 km

• M1: 166,652 km (0.074 R)
• M2: 612,753 km (0.091 R)
• M3: 1,235,978 km (0.118 R)
• M4: 1,779,616 km (0.102 R)
• M5: 2,241,275 km (0.075 R)
• M6: 2,729,712 km (0.043 R)
• M7: 3,603,962 km (0.107 R)
• M8: 4,222,250 km (0.089 R)
• M9: 4,958,870 km (0.106 R)
• M10: 5,496,525 km (0.092 R)
• M11: 6,017,126 km (0.073 R)
• M12: 6,729,211 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.7

Radius: 9.5

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.73 AU - 1.13 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,475,861 km

• M1: 133,292 km (0.034 R)
• M2: 548,127 km (0.119 R)
• M3: 950,395 km (0.071 R)
• M4: 1,411,007 km (0.063 R)
• M5: 1,732,194 km (0.083 R)
• M6: 2,210,309 km (0.087 R)
• M7: 2,689,919 km (0.104 R)
• M8: 3,419,807 km (0.102 R)
• M9: 4,190,236 km (0.092 R)
• M10: 4,526,084 km (0.076 R)
• M11: 4,832,909 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 14.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.94 AU - 1.1 AU

Year: 655 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,475,861 km

• M1: 179,218 km (0.071 R)
• M2: 815,308 km (0.082 R)
• M3: 1,343,090 km (0.056 R)
• M4: 1,892,563 km (0.063 R)
• M5: 2,387,881 km (0.083 R)
• M6: 3,504,031 km (0.119 R)
• M7: 4,199,511 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.6

Radius: 14.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.27 AU - 1.67 AU

Year: 1133 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,475,861 km

• M1: 180,265 km (0.096 R)
• M2: 735,573 km (0.109 R)
• M3: 1,406,968 km (0.092 R)
• M4: 2,578,918 km (0.107 R)
• M5: 3,255,250 km (0.112 R)
• M6: 3,968,084 km (0.078 R)
• M7: 4,517,108 km (0.098 R)
• M8: 7,051,296 km (0.097 R)
• M9: 8,953,133 km (0.08 R)
• M10: 9,844,138 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 10.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.5 AU - 3.18 AU

Year: 3043 Days

Day: 13.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,475,861 km

• M1: 140,772 km (0.119 R)
• M2: 462,856 km (0.039 R)
• M3: 2,290,493 km (0.12 R)
• M4: 4,526,532 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.3

Radius: 5.8

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.8 AU - 11.26 AU

Year: 17253 Days

Day: 22.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 143.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,475,861 km

• M1: 72,256 km (0.097 R)
• M2: 267,930 km (0.114 R)
• M3: 624,721 km (0.102 R)
• M4: 894,146 km (0.043 R)
• M5: 1,638,246 km (0.115 R)
• M6: 1,885,083 km (0.066 R)
• M7: 2,194,750 km (0.112 R)
• M8: 2,454,003 km (0.088 R)
• M9: 2,755,892 km (0.111 R)
• M10: 3,130,934 km (0.09 R)
• M11: 3,646,897 km (0.067 R)
• M12: 4,040,638 km (0.111 R)
• M13: 5,149,009 km (0.115 R)
• M14: 6,171,361 km (0.068 R)
• M15: 6,567,347 km (0.087 R)
• M16: 7,631,436 km (0.117 R)
• M17: 7,857,179 km (0.117 R)
• M18: 8,561,636 km (0.066 R)
• M19: 8,954,181 km (0.12 R)
• M20: 9,358,693 km (0.107 R)
• M21: 10,313,128 km (0.117 R)
• M22: 10,645,235 km (0.064 R)
• M23: 12,600,928 km (0.043 R)
• M24: 13,564,189 km (0.113 R)
• M25: 13,895,997 km (0.091 R)
• M26: 17,206,897 km (0.086 R)
• M27: 25,634,942 km (0.039 R)
• M28: 26,967,410 km (0.115 R)
• M29: 28,887,798 km (0.082 R)
• M30: 33,478,059 km (0.115 R)
• M31: 37,353,092 km (0.057 R)
• M32: 41,100,818 km (0.068 R)
• M33: 46,427,250 km (0.098 R)
• M34: 52,846,794 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.2

Radius: 6.7

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.3 AU - 11.92 AU

Year: 20439 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,475,861 km

• M1: 94,845 km (0.088 R)
• M2: 380,427 km (0.11 R)
• M3: 760,556 km (0.066 R)
• M4: 1,144,723 km (0.081 R)
• M5: 1,416,393 km (0.107 R)
• M6: 1,636,601 km (0.087 R)
• M7: 2,480,482 km (0.081 R)
• M8: 3,080,968 km (0.05 R)
• M9: 3,402,753 km (0.075 R)
• M10: 5,153,946 km (0.091 R)
• M11: 5,716,733 km (0.084 R)
• M12: 7,217,349 km (0.072 R)
• M13: 7,607,949 km (0.108 R)
• M14: 8,337,089 km (0.099 R)
• M15: 8,815,952 km (0.1 R)
• M16: 9,062,190 km (0.049 R)
• M17: 9,828,431 km (0.102 R)
• M18: 10,093,219 km (0.06 R)
• M19: 10,472,001 km (0.066 R)
• M20: 15,570,146 km (0.085 R)
• M21: 16,222,393 km (0.104 R)
• M22: 18,368,225 km (0.105 R)
• M23: 21,484,498 km (0.064 R)
• M24: 22,474,836 km (0.068 R)
• M25: 26,639,192 km (0.067 R)
• M26: 33,507,380 km (0.059 R)
• M27: 39,437,589 km (0.088 R)
• M28: 39,704,472 km (0.109 R)
• M29: 42,021,144 km (0.068 R)
• M30: 44,138,852 km (0.118 R)
• M31: 50,602,078 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit