🌌 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: 270.9

Radius: 8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.65 AU - 0.83 AU

Year: 447 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,932,831 km

• M1: 99,782 km (0.103 R)
• M2: 418,425 km (0.062 R)
• M3: 1,007,990 km (0.119 R)
• M4: 1,710,801 km (0.071 R)
• M5: 2,070,883 km (0.111 R)
• M6: 2,377,709 km (0.042 R)
• M7: 2,905,191 km (0.097 R)
• M8: 4,369,754 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 8.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.51 AU - 1.79 AU

Year: 1490 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,932,831 km

• M1: 103,223 km (0.07 R)
• M2: 372,499 km (0.117 R)
• M3: 835,654 km (0.079 R)
• M4: 1,214,884 km (0.075 R)
• M5: 1,730,548 km (0.088 R)
• M6: 2,080,009 km (0.088 R)
• M7: 3,074,236 km (0.06 R)
• M8: 3,472,167 km (0.065 R)
• M9: 3,946,242 km (0.105 R)
• M10: 4,493,770 km (0.092 R)
• M11: 5,244,004 km (0.108 R)
• M12: 5,595,260 km (0.049 R)
• M13: 6,132,316 km (0.054 R)
• M14: 6,482,674 km (0.083 R)
• M15: 6,887,636 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.1

Radius: 14.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.62 AU - 1.8 AU

Year: 1572 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,932,831 km

• M1: 184,155 km (0.049 R)
• M2: 646,412 km (0.091 R)
• M3: 1,169,706 km (0.065 R)
• M4: 1,710,053 km (0.108 R)
• M5: 2,369,181 km (0.099 R)
• M6: 3,015,594 km (0.08 R)
• M7: 3,625,953 km (0.101 R)
• M8: 4,280,893 km (0.115 R)
• M9: 5,600,645 km (0.063 R)
• M10: 6,233,145 km (0.085 R)
• M11: 7,017,935 km (0.076 R)
• M12: 8,572,257 km (0.105 R)
• M13: 10,798,722 km (0.073 R)
• M14: 11,374,375 km (0.109 R)
• M15: 11,894,676 km (0.117 R)
• M16: 13,469,942 km (0.1 R)
• M17: 14,393,559 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.4

Radius: 5.9

Gravity: 26.04 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.42 AU - 6.42 AU

Year: 11434 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,932,831 km

• M1: 73,752 km (0.119 R)
• M2: 331,509 km (0.118 R)
• M3: 628,760 km (0.085 R)
• M4: 838,346 km (0.057 R)
• M5: 1,191,996 km (0.056 R)
• M6: 2,688,124 km (0.062 R)
• M7: 2,984,328 km (0.035 R)
• M8: 3,669,187 km (0.059 R)
• M9: 3,976,461 km (0.109 R)
• M10: 4,331,158 km (0.033 R)
• M11: 7,968,929 km (0.117 R)
• M12: 8,726,343 km (0.093 R)
• M13: 9,325,183 km (0.076 R)
• M14: 10,438,491 km (0.066 R)
• M15: 13,902,729 km (0.087 R)
• M16: 15,422,643 km (0.084 R)
• M17: 16,745,986 km (0.105 R)
• M18: 20,816,245 km (0.112 R)
• M19: 21,167,800 km (0.095 R)
• M20: 22,706,414 km (0.066 R)
• M21: 24,610,047 km (0.03 R)
• M22: 25,102,074 km (0.045 R)
• M23: 26,309,628 km (0.12 R)
• M24: 28,840,076 km (0.083 R)
• M25: 31,643,839 km (0.094 R)
• M26: 31,875,716 km (0.102 R)
• M27: 33,650,844 km (0.094 R)
• M28: 35,992,649 km (0.03 R)
• M29: 40,586,800 km (0.098 R)
• M30: 43,666,122 km (0.117 R)
• M31: 46,747,390 km (0.039 R)
• M32: 49,813,697 km (0.088 R)
• M33: 54,494,016 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.3

Radius: 5.1

Gravity: 24.96 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.26 AU - 9.1 AU

Year: 16445 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,932,831 km

• M1: 63,729 km (0.087 R)
• M2: 298,149 km (0.077 R)
• M3: 800,049 km (0.117 R)
• M4: 1,580,502 km (0.091 R)
• M5: 2,111,873 km (0.113 R)
• M6: 2,292,438 km (0.102 R)
• M7: 4,713,829 km (0.05 R)
• M8: 8,157,721 km (0.115 R)
• M9: 9,278,509 km (0.101 R)
• M10: 11,821,224 km (0.111 R)
• M11: 14,361,545 km (0.077 R)
• M12: 15,308,051 km (0.097 R)
• M13: 17,731,387 km (0.087 R)
• M14: 18,061,699 km (0.032 R)
• M15: 25,558,647 km (0.076 R)
• M16: 34,379,386 km (0.096 R)
• M17: 36,331,189 km (0.082 R)
• M18: 37,536,948 km (0.098 R)
• M19: 38,081,335 km (0.115 R)
• M20: 46,109,804 km (0.061 R)
• M21: 47,840,352 km (0.117 R)
• M22: 48,159,594 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.5

Radius: 7.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.87 AU - 10.51 AU

Year: 18007 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,932,831 km

• M1: 94,097 km (0.092 R)
• M2: 466,147 km (0.056 R)
• M3: 847,472 km (0.033 R)
• M4: 1,363,884 km (0.116 R)
• M5: 2,988,965 km (0.093 R)
• M6: 3,464,387 km (0.102 R)
• M7: 6,668,325 km (0.114 R)
• M8: 9,484,355 km (0.111 R)
• M9: 11,021,922 km (0.116 R)
• M10: 11,713,663 km (0.067 R)
• M11: 12,776,107 km (0.041 R)
• M12: 14,332,374 km (0.084 R)
• M13: 18,105,980 km (0.068 R)
• M14: 20,298,486 km (0.091 R)
• M15: 20,614,287 km (0.096 R)
• M16: 21,580,989 km (0.078 R)
• M17: 23,954,060 km (0.114 R)
• M18: 24,752,314 km (0.114 R)
• M19: 27,253,441 km (0.096 R)
• M20: 28,123,203 km (0.091 R)
• M21: 28,417,312 km (0.088 R)
• M22: 29,111,297 km (0.066 R)
• M23: 30,020,104 km (0.101 R)
• M24: 37,983,199 km (0.114 R)
• M25: 39,556,669 km (0.096 R)
• M26: 43,614,212 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.1

Radius: 7.6

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.15 AU - 10.59 AU

Year: 23473 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,932,831 km

• M1: 98,435 km (0.046 R)
• M2: 522,246 km (0.097 R)
• M3: 785,987 km (0.116 R)
• M4: 1,765,255 km (0.031 R)
• M5: 2,883,798 km (0.052 R)
• M6: 4,976,373 km (0.09 R)
• M7: 5,417,537 km (0.041 R)
• M8: 6,517,231 km (0.107 R)
• M9: 6,996,244 km (0.082 R)
• M10: 7,706,235 km (0.089 R)
• M11: 7,971,173 km (0.099 R)
• M12: 8,745,342 km (0.117 R)
• M13: 9,092,110 km (0.083 R)
• M14: 9,388,014 km (0.066 R)
• M15: 10,442,679 km (0.103 R)
• M16: 11,368,840 km (0.114 R)
• M17: 18,199,329 km (0.094 R)
• M18: 19,148,677 km (0.085 R)
• M19: 21,665,960 km (0.055 R)
• M20: 22,840,453 km (0.097 R)
• M21: 25,666,507 km (0.112 R)
• M22: 31,595,070 km (0.07 R)
• M23: 34,947,409 km (0.042 R)
• M24: 37,008,718 km (0.106 R)
• M25: 39,776,129 km (0.115 R)
• M26: 41,695,919 km (0.108 R)
• M27: 49,263,626 km (0.118 R)
• M28: 50,546,129 km (0.102 R)
• M29: 51,850,921 km (0.083 R)
• M30: 62,041,827 km (0.106 R)
• M31: 64,185,116 km (0.088 R)
• M32: 65,056,224 km (0.118 R)
• M33: 65,934,962 km (0.111 R)
• M34: 73,965,376 km (0.102 R)
• M35: 75,163,206 km (0.089 R)
• M36: 83,653,933 km (0.103 R)
• M37: 90,835,229 km (0.129 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 12,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit