🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 12.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.71 AU - 0.87 AU

Year: 494 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,441,586 km

• M1: 150,495 km (0.11 R)
• M2: 549,922 km (0.063 R)
• M3: 1,384,528 km (0.085 R)
• M4: 2,002,517 km (0.105 R)
• M5: 2,499,930 km (0.09 R)
• M6: 3,037,884 km (0.084 R)
• M7: 3,664,101 km (0.072 R)
• M8: 4,428,097 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 8.8

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.14 AU - 3.2 AU

Year: 3067 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,441,586 km

• M1: 109,506 km (0.097 R)
• M2: 450,888 km (0.095 R)
• M3: 1,300,305 km (0.086 R)
• M4: 1,617,003 km (0.09 R)
• M5: 2,175,751 km (0.084 R)
• M6: 2,740,783 km (0.109 R)
• M7: 3,085,007 km (0.044 R)
• M8: 3,778,094 km (0.032 R)
• M9: 4,096,139 km (0.05 R)
• M10: 4,883,622 km (0.118 R)
• M11: 5,524,500 km (0.046 R)
• M12: 7,453,564 km (0.092 R)
• M13: 7,785,821 km (0.117 R)
• M14: 8,197,515 km (0.089 R)
• M15: 14,135,952 km (0.12 R)
• M16: 15,010,202 km (0.09 R)
• M17: 16,753,017 km (0.12 R)
• M18: 18,325,141 km (0.067 R)
• M19: 19,551,395 km (0.111 R)
• M20: 20,441,801 km (0.042 R)
• M21: 21,692,888 km (0.084 R)
• M22: 22,509,094 km (0.114 R)
• M23: 23,416,106 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 13.6

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.51 AU - 4.09 AU

Year: 5207 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,441,586 km

• M1: 173,683 km (0.042 R)
• M2: 625,618 km (0.066 R)
• M3: 1,104,331 km (0.107 R)
• M4: 1,652,009 km (0.07 R)
• M5: 2,953,062 km (0.074 R)
• M6: 4,057,244 km (0.1 R)
• M7: 5,390,909 km (0.076 R)
• M8: 6,354,170 km (0.12 R)
• M9: 7,762,933 km (0.07 R)
• M10: 8,825,676 km (0.118 R)
• M11: 9,805,692 km (0.062 R)
• M12: 10,253,737 km (0.105 R)
• M13: 10,715,546 km (0.111 R)
• M14: 14,065,192 km (0.081 R)
• M15: 16,193,521 km (0.1 R)
• M16: 17,991,388 km (0.077 R)
• M17: 18,801,460 km (0.108 R)
• M18: 19,565,158 km (0.107 R)
• M19: 20,494,310 km (0.103 R)
• M20: 21,602,681 km (0.069 R)
• M21: 22,750,695 km (0.113 R)
• M22: 24,019,584 km (0.067 R)
• M23: 24,507,422 km (0.087 R)
• M24: 26,959,182 km (0.116 R)
• M25: 30,793,974 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 11.1

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.38 AU - 4.78 AU

Year: 5793 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,441,586 km

• M1: 138,079 km (0.103 R)
• M2: 608,564 km (0.103 R)
• M3: 1,142,479 km (0.102 R)
• M4: 1,719,328 km (0.045 R)
• M5: 2,244,417 km (0.12 R)
• M6: 3,951,179 km (0.113 R)
• M7: 5,278,561 km (0.107 R)
• M8: 5,963,121 km (0.063 R)
• M9: 7,433,817 km (0.114 R)
• M10: 7,934,521 km (0.105 R)
• M11: 8,833,305 km (0.043 R)
• M12: 13,907,366 km (0.115 R)
• M13: 14,908,774 km (0.034 R)
• M14: 15,644,048 km (0.09 R)
• M15: 18,064,242 km (0.115 R)
• M16: 20,201,846 km (0.111 R)
• M17: 21,331,609 km (0.118 R)
• M18: 22,186,411 km (0.086 R)
• M19: 22,662,282 km (0.1 R)
• M20: 25,488,635 km (0.097 R)
• M21: 26,010,731 km (0.105 R)
• M22: 32,234,003 km (0.117 R)
• M23: 36,342,409 km (0.12 R)
• M24: 37,003,931 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.6

Radius: 10.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.33 AU - 5.09 AU

Year: 6072 Days

Day: 5 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,441,586 km

• M1: 134,339 km (0.072 R)
• M2: 699,520 km (0.066 R)
• M3: 1,119,291 km (0.054 R)
• M4: 1,551,629 km (0.104 R)
• M5: 2,135,360 km (0.065 R)
• M6: 3,722,743 km (0.104 R)
• M7: 4,893,496 km (0.08 R)
• M8: 6,067,690 km (0.085 R)
• M9: 6,616,415 km (0.051 R)
• M10: 8,498,505 km (0.092 R)
• M11: 10,590,332 km (0.097 R)
• M12: 12,495,013 km (0.083 R)
• M13: 14,365,435 km (0.116 R)
• M14: 14,822,307 km (0.059 R)
• M15: 15,341,262 km (0.089 R)
• M16: 16,305,869 km (0.095 R)
• M17: 17,654,344 km (0.081 R)
• M18: 21,546,432 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.3

Radius: 5.4

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.19 AU - 6.39 AU

Year: 9793 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,441,586 km

• M1: 67,169 km (0.091 R)
• M2: 248,931 km (0.113 R)
• M3: 477,367 km (0.101 R)
• M4: 835,355 km (0.041 R)
• M5: 1,014,274 km (0.117 R)
• M6: 1,255,874 km (0.073 R)
• M7: 1,451,399 km (0.043 R)
• M8: 1,637,349 km (0.059 R)
• M9: 1,904,530 km (0.043 R)
• M10: 2,506,812 km (0.113 R)
• M11: 2,754,695 km (0.078 R)
• M12: 3,133,926 km (0.119 R)
• M13: 3,597,978 km (0.058 R)
• M14: 3,806,667 km (0.083 R)
• M15: 4,106,761 km (0.083 R)
• M16: 4,662,218 km (0.109 R)
• M17: 5,102,634 km (0.117 R)
• M18: 5,814,570 km (0.088 R)
• M19: 6,139,048 km (0.101 R)
• M20: 7,144,794 km (0.097 R)
• M21: 7,729,722 km (0.095 R)
• M22: 8,345,916 km (0.101 R)
• M23: 15,235,047 km (0.107 R)
• M24: 16,201,449 km (0.064 R)
• M25: 16,988,933 km (0.062 R)
• M26: 17,208,093 km (0.09 R)
• M27: 21,143,714 km (0.079 R)
• M28: 23,499,731 km (0.069 R)
• M29: 25,353,698 km (0.108 R)
• M30: 31,387,279 km (0.037 R)
• M31: 34,675,590 km (0.066 R)
• M32: 38,061,588 km (0.069 R)
• M33: 38,941,223 km (0.06 R)
• M34: 39,705,968 km (0.089 R)
• M35: 44,922,296 km (0.114 R)
• M36: 46,900,877 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 6.4

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.82 AU - 9.5 AU

Year: 16385 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,441,586 km

• M1: 89,011 km (0.116 R)
• M2: 320,887 km (0.052 R)
• M3: 618,438 km (0.119 R)
• M4: 1,263,504 km (0.108 R)
• M5: 1,526,796 km (0.1 R)
• M6: 2,205,222 km (0.091 R)
• M7: 2,544,660 km (0.099 R)
• M8: 3,093,235 km (0.065 R)
• M9: 3,775,850 km (0.072 R)
• M10: 5,106,075 km (0.08 R)
• M11: 5,739,921 km (0.09 R)
• M12: 7,956,213 km (0.12 R)
• M13: 8,652,292 km (0.11 R)
• M14: 12,100,523 km (0.071 R)
• M15: 14,557,219 km (0.079 R)
• M16: 16,604,466 km (0.088 R)
• M17: 18,836,167 km (0.119 R)
• M18: 20,068,704 km (0.12 R)
• M19: 22,016,767 km (0.088 R)
• M20: 23,483,126 km (0.068 R)
• M21: 25,643,768 km (0.102 R)
• M22: 26,826,638 km (0.052 R)
• M23: 27,376,261 km (0.119 R)
• M24: 28,158,209 km (0.07 R)
• M25: 30,119,287 km (0.03 R)
• M26: 37,356,832 km (0.064 R)
• M27: 37,904,360 km (0.093 R)
• M28: 39,862,896 km (0.111 R)
• M29: 42,478,764 km (0.087 R)
• M30: 43,375,603 km (0.057 R)
• M31: 48,049,490 km (0.106 R)
• M32: 53,048,452 km (0.058 R)
• M33: 57,107,641 km (0.102 R)
• M34: 58,566,669 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 12,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit