🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.8

Radius: 12

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.69 AU - 0.97 AU

Year: 488 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,578,291 km

• M1: 149,299 km (0.105 R)
• M2: 543,489 km (0.111 R)
• M3: 1,024,745 km (0.104 R)
• M4: 1,625,381 km (0.046 R)
• M5: 2,146,430 km (0.119 R)
• M6: 2,787,906 km (0.101 R)
• M7: 3,199,898 km (0.114 R)
• M8: 3,727,979 km (0.072 R)
• M9: 4,585,175 km (0.115 R)
• M10: 5,371,760 km (0.095 R)
• M11: 5,771,935 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 9.8

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.02 AU - 1.32 AU

Year: 817 Days

Day: 10.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,578,291 km

• M1: 121,922 km (0.101 R)
• M2: 449,542 km (0.094 R)
• M3: 932,144 km (0.089 R)
• M4: 1,508,096 km (0.025 R)
• M5: 2,381,748 km (0.098 R)
• M6: 3,533,352 km (0.08 R)
• M7: 3,974,666 km (0.077 R)
• M8: 4,435,876 km (0.113 R)
• M9: 6,037,321 km (0.031 R)
• M10: 6,348,186 km (0.111 R)
• M11: 7,207,177 km (0.082 R)
• M12: 8,166,548 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 14.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.3 AU - 3.04 AU

Year: 2817 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,578,291 km

• M1: 177,872 km (0.117 R)
• M2: 624,272 km (0.091 R)
• M3: 1,143,825 km (0.12 R)
• M4: 2,467,617 km (0.064 R)
• M5: 2,928,378 km (0.113 R)
• M6: 3,410,682 km (0.097 R)
• M7: 4,277,452 km (0.088 R)
• M8: 5,044,291 km (0.093 R)
• M9: 5,588,228 km (0.101 R)
• M10: 8,301,934 km (0.105 R)
• M11: 10,447,915 km (0.053 R)
• M12: 11,755,700 km (0.051 R)
• M13: 12,493,666 km (0.094 R)
• M14: 13,728,896 km (0.115 R)
• M15: 14,351,971 km (0.104 R)
• M16: 15,144,840 km (0.058 R)
• M17: 15,810,251 km (0.096 R)
• M18: 18,323,046 km (0.045 R)
• M19: 19,614,525 km (0.113 R)
• M20: 20,591,249 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 13

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.67 AU - 4.29 AU

Year: 5127 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,578,291 km

• M1: 162,164 km (0.118 R)
• M2: 717,172 km (0.076 R)
• M3: 1,923,829 km (0.099 R)
• M4: 2,672,865 km (0.098 R)
• M5: 3,428,933 km (0.116 R)
• M6: 4,605,969 km (0.099 R)
• M7: 5,156,788 km (0.049 R)
• M8: 7,506,821 km (0.039 R)
• M9: 7,952,922 km (0.12 R)
• M10: 9,437,980 km (0.058 R)
• M11: 9,999,271 km (0.086 R)
• M12: 11,635,722 km (0.091 R)
• M13: 12,234,712 km (0.109 R)
• M14: 14,520,867 km (0.076 R)
• M15: 15,324,357 km (0.111 R)
• M16: 16,384,408 km (0.028 R)
• M17: 18,464,416 km (0.087 R)
• M18: 21,941,071 km (0.086 R)
• M19: 23,287,153 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 13.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.61 AU - 5.85 AU

Year: 7723 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,578,291 km

• M1: 207,343 km (0.037 R)
• M2: 969,245 km (0.072 R)
• M3: 1,507,498 km (0.081 R)
• M4: 2,294,981 km (0.099 R)
• M5: 2,842,808 km (0.089 R)
• M6: 3,499,992 km (0.09 R)
• M7: 4,858,340 km (0.11 R)
• M8: 5,578,804 km (0.101 R)
• M9: 6,473,399 km (0.032 R)
• M10: 7,500,089 km (0.091 R)
• M11: 8,297,745 km (0.108 R)
• M12: 8,717,517 km (0.069 R)
• M13: 9,599,695 km (0.085 R)
• M14: 11,697,805 km (0.106 R)
• M15: 12,334,344 km (0.039 R)
• M16: 12,993,772 km (0.074 R)
• M17: 13,851,117 km (0.082 R)
• M18: 15,998,295 km (0.067 R)
• M19: 16,983,248 km (0.071 R)
• M20: 18,218,178 km (0.079 R)
• M21: 19,882,305 km (0.099 R)
• M22: 22,850,476 km (0.094 R)
• M23: 23,344,748 km (0.095 R)
• M24: 25,569,567 km (0.066 R)
• M25: 26,642,782 km (0.102 R)
• M26: 27,652,718 km (0.062 R)
• M27: 28,403,101 km (0.079 R)
• M28: 28,878,971 km (0.054 R)
• M29: 29,651,345 km (0.105 R)
• M30: 30,141,129 km (0.098 R)
• M31: 32,154,417 km (0.056 R)
• M32: 32,984,236 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 10.7

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.45 AU - 5.47 AU

Year: 8238 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,578,291 km

• M1: 135,984 km (0.104 R)
• M2: 479,611 km (0.08 R)
• M3: 854,653 km (0.101 R)
• M4: 1,203,664 km (0.096 R)
• M5: 1,636,002 km (0.041 R)
• M6: 2,657,457 km (0.104 R)
• M7: 3,425,642 km (0.069 R)
• M8: 3,901,213 km (0.09 R)
• M9: 4,335,645 km (0.088 R)
• M10: 5,205,707 km (0.089 R)
• M11: 6,045,848 km (0.068 R)
• M12: 9,635,000 km (0.046 R)
• M13: 10,741,875 km (0.113 R)
• M14: 11,598,772 km (0.067 R)
• M15: 13,940,128 km (0.061 R)
• M16: 14,764,562 km (0.116 R)
• M17: 15,155,910 km (0.09 R)
• M18: 16,440,956 km (0.094 R)
• M19: 19,615,422 km (0.107 R)
• M20: 24,972,073 km (0.092 R)
• M21: 26,092,561 km (0.098 R)
• M22: 27,835,526 km (0.098 R)
• M23: 29,346,166 km (0.037 R)
• M24: 29,758,158 km (0.05 R)
• M25: 30,593,662 km (0.113 R)
• M26: 32,640,460 km (0.109 R)
• M27: 33,417,023 km (0.064 R)
• M28: 33,753,618 km (0.1 R)
• M29: 35,238,227 km (0.073 R)
• M30: 35,820,761 km (0.108 R)
• M31: 37,727,985 km (0.107 R)
• M32: 40,586,800 km (0.086 R)
• M33: 44,664,389 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 9.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.64 AU - 6.28 AU

Year: 8238 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,578,291 km

• M1: 117,285 km (0.05 R)
• M2: 590,612 km (0.11 R)
• M3: 1,012,628 km (0.104 R)
• M4: 1,411,905 km (0.11 R)
• M5: 2,169,618 km (0.082 R)
• M6: 3,115,525 km (0.074 R)
• M7: 3,406,344 km (0.111 R)
• M8: 3,947,738 km (0.111 R)
• M9: 4,677,327 km (0.114 R)
• M10: 5,145,269 km (0.061 R)
• M11: 6,980,386 km (0.11 R)
• M12: 8,045,224 km (0.099 R)
• M13: 8,596,642 km (0.114 R)
• M14: 9,556,761 km (0.098 R)
• M15: 10,220,377 km (0.091 R)
• M16: 10,914,511 km (0.101 R)
• M17: 12,866,165 km (0.069 R)
• M18: 14,064,294 km (0.11 R)
• M19: 16,244,683 km (0.104 R)
• M20: 16,870,601 km (0.108 R)
• M21: 18,170,606 km (0.106 R)
• M22: 18,845,143 km (0.058 R)
• M23: 19,746,919 km (0.102 R)
• M24: 20,172,674 km (0.12 R)
• M25: 24,446,835 km (0.105 R)
• M26: 25,352,052 km (0.063 R)
• M27: 26,450,400 km (0.107 R)
• M28: 30,971,546 km (0.099 R)
• M29: 32,619,068 km (0.099 R)
• M30: 33,015,053 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.7

Radius: 6.1

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.86 AU - 8 AU

Year: 10528 Days

Day: 17.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,578,291 km

• M1: 78,240 km (0.085 R)
• M2: 842,386 km (0.1 R)
• M3: 1,047,933 km (0.039 R)
• M4: 1,549,684 km (0.091 R)
• M5: 3,102,510 km (0.047 R)
• M6: 3,770,465 km (0.063 R)
• M7: 4,557,798 km (0.113 R)
• M8: 6,523,963 km (0.104 R)
• M9: 7,732,415 km (0.072 R)
• M10: 9,307,680 km (0.026 R)
• M11: 13,191,690 km (0.088 R)
• M12: 16,796,251 km (0.091 R)
• M13: 19,041,565 km (0.065 R)
• M14: 27,335,121 km (0.119 R)
• M15: 28,949,432 km (0.062 R)
• M16: 30,626,274 km (0.113 R)
• M17: 32,054,785 km (0.115 R)
• M18: 33,314,249 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.3

Radius: 3.4

Gravity: 18.88 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.33 AU - 9.21 AU

Year: 15356 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,578,291 km

• M1: 42,336 km (0.086 R)
• M2: 279,598 km (0.11 R)
• M3: 889,659 km (0.062 R)
• M4: 1,217,727 km (0.109 R)
• M5: 2,934,362 km (0.049 R)
• M6: 7,012,550 km (0.093 R)
• M7: 10,021,711 km (0.102 R)
• M8: 16,564,374 km (0.087 R)
• M9: 20,941,757 km (0.069 R)
• M10: 22,332,718 km (0.064 R)
• M11: 24,935,571 km (0.077 R)
• M12: 25,662,318 km (0.032 R)
• M13: 32,526,317 km (0.107 R)
• M14: 37,486,982 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit