🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 14

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.77 AU - 0.93 AU

Year: 523 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,123,829 km

• M1: 174,132 km (0.038 R)
• M2: 614,398 km (0.116 R)
• M3: 1,061,995 km (0.106 R)
• M4: 1,777,372 km (0.06 R)
• M5: 2,264,313 km (0.115 R)
• M6: 2,965,628 km (0.045 R)
• M7: 3,467,679 km (0.055 R)
• M8: 4,516,659 km (0.064 R)
• M9: 4,955,579 km (0.085 R)
• M10: 5,390,909 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.95 AU - 1.09 AU

Year: 687 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,123,829 km

• M1: 99,483 km (0.077 R)
• M2: 371,003 km (0.072 R)
• M3: 681,717 km (0.098 R)
• M4: 956,978 km (0.062 R)
• M5: 1,325,736 km (0.117 R)
• M6: 1,662,780 km (0.038 R)
• M7: 1,942,528 km (0.08 R)
• M8: 2,407,778 km (0.096 R)
• M9: 2,677,203 km (0.077 R)
• M10: 3,197,654 km (0.086 R)
• M11: 4,082,825 km (0.108 R)
• M12: 4,847,270 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.03 AU - 1.19 AU

Year: 780 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,123,829 km

• M1: 180,265 km (0.091 R)
• M2: 695,181 km (0.098 R)
• M3: 1,425,069 km (0.057 R)
• M4: 1,941,032 km (0.071 R)
• M5: 2,537,329 km (0.118 R)
• M6: 3,378,070 km (0.07 R)
• M7: 4,137,279 km (0.09 R)
• M8: 5,595,110 km (0.098 R)
• M9: 7,662,104 km (0.098 R)
• M10: 9,031,074 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 11.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.35 AU - 2.07 AU

Year: 1491 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,123,829 km

• M1: 144,512 km (0.063 R)
• M2: 542,741 km (0.065 R)
• M3: 1,848,880 km (0.12 R)
• M4: 2,494,844 km (0.11 R)
• M5: 3,138,863 km (0.075 R)
• M6: 6,182,282 km (0.092 R)
• M7: 6,954,356 km (0.083 R)
• M8: 8,147,250 km (0.108 R)
• M9: 9,753,482 km (0.054 R)
• M10: 10,631,472 km (0.051 R)
• M11: 11,883,157 km (0.07 R)
• M12: 12,544,679 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 9.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.97 AU - 2.27 AU

Year: 2058 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,123,829 km

• M1: 121,922 km (0.116 R)
• M2: 539,151 km (0.112 R)
• M3: 872,156 km (0.079 R)
• M4: 1,184,965 km (0.087 R)
• M5: 1,544,748 km (0.096 R)
• M6: 2,025,256 km (0.084 R)
• M7: 2,367,835 km (0.03 R)
• M8: 2,809,298 km (0.112 R)
• M9: 3,221,291 km (0.092 R)
• M10: 3,547,564 km (0.086 R)
• M11: 4,108,107 km (0.051 R)
• M12: 4,662,218 km (0.094 R)
• M13: 5,970,152 km (0.046 R)
• M14: 6,358,807 km (0.034 R)
• M15: 6,875,219 km (0.105 R)
• M16: 7,186,831 km (0.102 R)
• M17: 8,529,323 km (0.074 R)
• M18: 8,956,125 km (0.075 R)
• M19: 10,213,196 km (0.063 R)
• M20: 11,864,158 km (0.104 R)
• M21: 15,158,004 km (0.065 R)
• M22: 15,834,037 km (0.086 R)
• M23: 16,783,535 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 11.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.37 AU - 2.75 AU

Year: 2731 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,123,829 km

• M1: 139,276 km (0.081 R)
• M2: 529,876 km (0.061 R)
• M3: 1,001,259 km (0.071 R)
• M4: 1,446,013 km (0.05 R)
• M5: 2,350,781 km (0.086 R)
• M6: 3,068,103 km (0.047 R)
• M7: 3,415,170 km (0.029 R)
• M8: 4,663,115 km (0.109 R)
• M9: 5,077,053 km (0.085 R)
• M10: 5,616,353 km (0.117 R)
• M11: 6,926,082 km (0.103 R)
• M12: 8,329,759 km (0.028 R)
• M13: 8,906,608 km (0.102 R)
• M14: 9,329,671 km (0.109 R)
• M15: 10,446,419 km (0.119 R)
• M16: 11,859,371 km (0.102 R)
• M17: 12,458,959 km (0.091 R)
• M18: 14,188,460 km (0.077 R)
• M19: 14,864,344 km (0.034 R)
• M20: 15,310,145 km (0.087 R)
• M21: 15,866,949 km (0.05 R)
• M22: 16,967,540 km (0.087 R)
• M23: 18,174,496 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 12.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.15 AU - 3.53 AU

Year: 4071 Days

Day: 5.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,123,829 km

• M1: 153,039 km (0.098 R)
• M2: 612,603 km (0.111 R)
• M3: 1,027,289 km (0.085 R)
• M4: 1,627,176 km (0.11 R)
• M5: 2,117,707 km (0.117 R)
• M6: 2,549,447 km (0.117 R)
• M7: 3,087,999 km (0.09 R)
• M8: 3,488,473 km (0.085 R)
• M9: 3,904,953 km (0.079 R)
• M10: 4,354,794 km (0.069 R)
• M11: 5,621,140 km (0.074 R)
• M12: 6,248,703 km (0.06 R)
• M13: 7,644,002 km (0.079 R)
• M14: 8,225,489 km (0.073 R)
• M15: 8,672,637 km (0.076 R)
• M16: 9,203,560 km (0.112 R)
• M17: 10,221,424 km (0.079 R)
• M18: 10,738,883 km (0.117 R)
• M19: 13,071,712 km (0.115 R)
• M20: 14,039,162 km (0.086 R)
• M21: 14,959,488 km (0.104 R)
• M22: 17,176,977 km (0.061 R)
• M23: 17,593,009 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 14.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.23 AU - 3.89 AU

Year: 4479 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,123,829 km

• M1: 175,478 km (0.078 R)
• M2: 1,099,844 km (0.1 R)
• M3: 1,657,993 km (0.115 R)
• M4: 2,102,748 km (0.089 R)
• M5: 2,931,969 km (0.115 R)
• M6: 3,828,359 km (0.11 R)
• M7: 4,485,393 km (0.066 R)
• M8: 5,167,110 km (0.1 R)
• M9: 6,192,454 km (0.11 R)
• M10: 8,130,195 km (0.041 R)
• M11: 9,553,918 km (0.036 R)
• M12: 10,564,901 km (0.086 R)
• M13: 12,258,050 km (0.081 R)
• M14: 13,123,024 km (0.105 R)
• M15: 16,230,621 km (0.096 R)
• M16: 18,186,464 km (0.093 R)
• M17: 20,735,611 km (0.037 R)
• M18: 22,095,905 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.3

Radius: 7

Gravity: 19.92 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.34 AU - 6.62 AU

Year: 11000 Days

Day: 24.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,123,829 km

• M1: 87,066 km (0.095 R)
• M2: 421,716 km (0.062 R)
• M3: 920,775 km (0.03 R)
• M4: 1,155,195 km (0.056 R)
• M5: 1,967,810 km (0.087 R)
• M6: 2,303,358 km (0.063 R)
• M7: 3,041,624 km (0.08 R)
• M8: 3,787,968 km (0.085 R)
• M9: 4,843,979 km (0.1 R)
• M10: 5,213,187 km (0.04 R)
• M11: 5,970,152 km (0.085 R)
• M12: 8,392,141 km (0.03 R)
• M13: 10,998,286 km (0.102 R)
• M14: 11,695,711 km (0.109 R)
• M15: 12,608,557 km (0.102 R)
• M16: 14,370,072 km (0.083 R)
• M17: 15,921,851 km (0.105 R)
• M18: 18,293,276 km (0.114 R)
• M19: 19,188,470 km (0.1 R)
• M20: 19,604,951 km (0.094 R)
• M21: 20,629,098 km (0.089 R)
• M22: 21,778,159 km (0.116 R)
• M23: 22,414,399 km (0.072 R)
• M24: 30,475,779 km (0.11 R)
• M25: 30,928,761 km (0.1 R)
• M26: 31,271,490 km (0.097 R)
• M27: 33,741,650 km (0.044 R)
• M28: 34,104,724 km (0.091 R)
• M29: 41,372,039 km (0.107 R)
• M30: 50,076,391 km (0.045 R)
• M31: 52,469,209 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.6

Radius: 7.4

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.53 AU - 10.09 AU

Year: 20490 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,123,829 km

• M1: 99,483 km (0.117 R)
• M2: 594,801 km (0.115 R)
• M3: 1,343,239 km (0.078 R)
• M4: 1,761,066 km (0.059 R)
• M5: 2,655,961 km (0.04 R)
• M6: 3,762,087 km (0.045 R)
• M7: 6,344,894 km (0.11 R)
• M8: 7,369,640 km (0.045 R)
• M9: 7,921,506 km (0.057 R)
• M10: 8,339,932 km (0.079 R)
• M11: 8,608,759 km (0.108 R)
• M12: 10,973,602 km (0.094 R)
• M13: 11,559,876 km (0.034 R)
• M14: 13,591,715 km (0.059 R)
• M15: 15,045,207 km (0.093 R)
• M16: 17,810,823 km (0.092 R)
• M17: 18,167,614 km (0.112 R)
• M18: 20,119,268 km (0.051 R)
• M19: 21,596,098 km (0.038 R)
• M20: 32,797,089 km (0.104 R)
• M21: 33,875,241 km (0.119 R)
• M22: 37,688,341 km (0.085 R)
• M23: 38,276,560 km (0.084 R)
• M24: 40,077,868 km (0.053 R)
• M25: 43,525,800 km (0.086 R)
• M26: 45,653,530 km (0.106 R)
• M27: 49,235,352 km (0.067 R)
• M28: 49,938,312 km (0.066 R)
• M29: 58,705,196 km (0.072 R)
• M30: 60,292,729 km (0.072 R)
• M31: 66,074,836 km (0.105 R)
• M32: 68,880,694 km (0.101 R)
• M33: 74,498,094 km (0.057 R)
• M34: 78,010,951 km (0.094 R)
• M35: 79,205,939 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 13,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit