🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 8.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.06 AU - 1.54 AU

Year: 1005 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,065,971 km

• M1: 106,962 km (0.092 R)
• M2: 857,794 km (0.073 R)
• M3: 2,138,651 km (0.102 R)
• M4: 2,521,771 km (0.091 R)
• M5: 3,022,326 km (0.079 R)
• M6: 3,493,110 km (0.103 R)
• M7: 3,924,700 km (0.06 R)
• M8: 4,996,270 km (0.104 R)
• M9: 5,637,147 km (0.111 R)
• M10: 6,172,558 km (0.089 R)
• M11: 7,017,337 km (0.058 R)
• M12: 7,728,675 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 8.7

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.64 AU - 1.72 AU

Year: 1477 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,065,971 km

• M1: 108,159 km (0.049 R)
• M2: 379,979 km (0.107 R)
• M3: 662,419 km (0.108 R)
• M4: 954,285 km (0.099 R)
• M5: 1,433,148 km (0.035 R)
• M6: 1,743,414 km (0.094 R)
• M7: 2,132,368 km (0.103 R)
• M8: 2,817,377 km (0.062 R)
• M9: 3,233,857 km (0.114 R)
• M10: 3,560,729 km (0.119 R)
• M11: 4,391,595 km (0.047 R)
• M12: 4,754,220 km (0.087 R)
• M13: 6,927,129 km (0.1 R)
• M14: 8,561,636 km (0.084 R)
• M15: 9,282,548 km (0.059 R)
• M16: 9,785,047 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 12.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.41 AU - 3.83 AU

Year: 4671 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,065,971 km

• M1: 153,487 km (0.094 R)
• M2: 696,079 km (0.102 R)
• M3: 1,210,396 km (0.075 R)
• M4: 1,770,341 km (0.086 R)
• M5: 2,212,104 km (0.044 R)
• M6: 3,060,174 km (0.045 R)
• M7: 3,459,750 km (0.082 R)
• M8: 4,506,785 km (0.091 R)
• M9: 5,104,429 km (0.056 R)
• M10: 6,927,728 km (0.079 R)
• M11: 8,363,269 km (0.109 R)
• M12: 8,807,575 km (0.061 R)
• M13: 9,906,371 km (0.07 R)
• M14: 10,531,540 km (0.098 R)
• M15: 11,094,477 km (0.108 R)
• M16: 12,092,744 km (0.089 R)
• M17: 16,925,653 km (0.07 R)
• M18: 18,247,799 km (0.099 R)
• M19: 19,124,293 km (0.048 R)
• M20: 20,624,759 km (0.072 R)
• M21: 21,301,241 km (0.115 R)
• M22: 24,379,516 km (0.11 R)
• M23: 24,983,293 km (0.051 R)
• M24: 25,907,658 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.9

Radius: 3.8

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.02 AU - 7.56 AU

Year: 10700 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,065,971 km

• M1: 47,273 km (0.113 R)
• M2: 194,477 km (0.104 R)
• M3: 736,620 km (0.095 R)
• M4: 862,432 km (0.108 R)
• M5: 1,073,365 km (0.097 R)
• M6: 1,479,074 km (0.079 R)
• M7: 1,709,754 km (0.067 R)
• M8: 2,225,717 km (0.113 R)
• M9: 2,680,794 km (0.081 R)
• M10: 3,510,464 km (0.095 R)
• M11: 4,865,072 km (0.093 R)
• M12: 5,312,819 km (0.113 R)
• M13: 5,436,686 km (0.107 R)
• M14: 6,358,657 km (0.073 R)
• M15: 6,640,201 km (0.112 R)
• M16: 7,889,941 km (0.037 R)
• M17: 9,288,382 km (0.12 R)
• M18: 10,164,278 km (0.047 R)
• M19: 10,500,424 km (0.104 R)
• M20: 10,695,799 km (0.108 R)
• M21: 11,501,683 km (0.109 R)
• M22: 12,347,210 km (0.066 R)
• M23: 15,193,309 km (0.07 R)
• M24: 16,145,051 km (0.114 R)
• M25: 19,825,607 km (0.078 R)
• M26: 23,359,109 km (0.059 R)
• M27: 26,201,917 km (0.096 R)
• M28: 27,845,549 km (0.071 R)
• M29: 29,653,739 km (0.026 R)
• M30: 37,329,456 km (0.093 R)
• M31: 38,243,349 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.2

Radius: 4.9

Gravity: 27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.4 AU - 11.88 AU

Year: 23540 Days

Day: 20.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,065,971 km

• M1: 60,886 km (0.06 R)
• M2: 261,198 km (0.089 R)
• M3: 448,494 km (0.119 R)
• M4: 605,123 km (0.077 R)
• M5: 799,002 km (0.1 R)
• M6: 1,868,178 km (0.072 R)
• M7: 2,563,958 km (0.091 R)
• M8: 2,997,343 km (0.117 R)
• M9: 3,878,923 km (0.114 R)
• M10: 4,379,328 km (0.107 R)
• M11: 4,627,062 km (0.116 R)
• M12: 5,466,905 km (0.031 R)
• M13: 8,003,037 km (0.112 R)
• M14: 8,590,508 km (0.102 R)
• M15: 8,922,765 km (0.072 R)
• M16: 10,031,734 km (0.115 R)
• M17: 10,841,507 km (0.106 R)
• M18: 12,102,169 km (0.072 R)
• M19: 15,149,178 km (0.097 R)
• M20: 15,471,412 km (0.107 R)
• M21: 16,465,340 km (0.108 R)
• M22: 19,701,591 km (0.1 R)
• M23: 34,607,672 km (0.096 R)
• M24: 40,007,258 km (0.113 R)
• M25: 41,244,133 km (0.025 R)
• M26: 41,557,391 km (0.112 R)
• M27: 45,107,648 km (0.115 R)
• M28: 48,332,230 km (0.081 R)
• M29: 49,734,710 km (0.047 R)
• M30: 50,267,577 km (0.055 R)
• M31: 51,525,695 km (0.105 R)
• M32: 51,888,919 km (0.104 R)
• M33: 58,723,447 km (0.101 R)
• M34: 66,133,927 km (0.106 R)
• M35: 67,426,603 km (0.096 R)
• M36: 70,731,818 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.8

Radius: 6.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.74 AU - 11.72 AU

Year: 23839 Days

Day: 18.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,065,971 km

• M1: 88,412 km (0.056 R)
• M2: 496,815 km (0.037 R)
• M3: 1,139,337 km (0.061 R)
• M4: 1,528,591 km (0.073 R)
• M5: 2,683,187 km (0.052 R)
• M6: 3,038,931 km (0.118 R)
• M7: 4,266,382 km (0.06 R)
• M8: 5,059,998 km (0.117 R)
• M9: 5,717,032 km (0.111 R)
• M10: 6,806,853 km (0.066 R)
• M11: 10,042,505 km (0.072 R)
• M12: 17,248,485 km (0.071 R)
• M13: 24,061,322 km (0.082 R)
• M14: 25,798,003 km (0.084 R)
• M15: 31,268,648 km (0.116 R)
• M16: 32,350,988 km (0.117 R)
• M17: 33,209,979 km (0.079 R)
• M18: 34,973,289 km (0.097 R)
• M19: 36,930,778 km (0.051 R)
• M20: 45,339,823 km (0.098 R)
• M21: 45,952,128 km (0.044 R)
• M22: 63,111,003 km (0.036 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 11,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit