🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.1

Radius: 10.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,198,023 km

• M1: 136,583 km (0.066 R)
• M2: 487,539 km (0.118 R)
• M3: 1,150,557 km (0.113 R)
• M4: 1,516,025 km (0.114 R)
• M5: 1,897,200 km (0.106 R)
• M6: 2,634,718 km (0.102 R)
• M7: 3,850,500 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 12.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.76 AU - 0.82 AU

Year: 476 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,198,023 km

• M1: 155,881 km (0.115 R)
• M2: 545,883 km (0.105 R)
• M3: 1,246,749 km (0.102 R)
• M4: 1,797,867 km (0.114 R)
• M5: 2,204,025 km (0.039 R)
• M6: 2,864,650 km (0.063 R)
• M7: 3,437,609 km (0.064 R)
• M8: 3,906,449 km (0.101 R)
• M9: 4,477,464 km (0.032 R)
• M10: 5,472,440 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 10.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.26 AU - 1.9 AU

Year: 1347 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,198,023 km

• M1: 129,552 km (0.086 R)
• M2: 486,043 km (0.089 R)
• M3: 1,459,327 km (0.114 R)
• M4: 1,841,101 km (0.107 R)
• M5: 2,571,288 km (0.065 R)
• M6: 3,134,823 km (0.112 R)
• M7: 3,469,025 km (0.071 R)
• M8: 4,384,265 km (0.097 R)
• M9: 5,052,967 km (0.069 R)
• M10: 5,639,989 km (0.108 R)
• M11: 6,500,476 km (0.052 R)
• M12: 6,998,936 km (0.079 R)
• M13: 7,677,064 km (0.119 R)
• M14: 8,648,552 km (0.05 R)
• M15: 11,198,747 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 11.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.23 AU - 1.99 AU

Year: 1386 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,198,023 km

• M1: 148,401 km (0.086 R)
• M2: 525,238 km (0.085 R)
• M3: 942,766 km (0.105 R)
• M4: 1,367,624 km (0.104 R)
• M5: 1,932,505 km (0.107 R)
• M6: 2,571,587 km (0.074 R)
• M7: 3,165,790 km (0.099 R)
• M8: 4,611,354 km (0.113 R)
• M9: 4,987,593 km (0.044 R)
• M10: 5,557,561 km (0.119 R)
• M11: 6,170,763 km (0.108 R)
• M12: 6,555,079 km (0.097 R)
• M13: 7,135,669 km (0.117 R)
• M14: 8,753,121 km (0.108 R)
• M15: 9,489,442 km (0.086 R)
• M16: 10,068,535 km (0.08 R)
• M17: 10,739,332 km (0.04 R)
• M18: 11,475,503 km (0.105 R)
• M19: 12,021,834 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 8.3

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.54 AU - 1.68 AU

Year: 1386 Days

Day: 9.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,198,023 km

• M1: 103,223 km (0.107 R)
• M2: 363,373 km (0.082 R)
• M3: 977,772 km (0.082 R)
• M4: 1,376,749 km (0.12 R)
• M5: 1,881,792 km (0.114 R)
• M6: 2,207,616 km (0.096 R)
• M7: 2,479,585 km (0.12 R)
• M8: 2,872,578 km (0.097 R)
• M9: 3,306,861 km (0.113 R)
• M10: 3,749,820 km (0.081 R)
• M11: 4,139,523 km (0.042 R)
• M12: 5,385,224 km (0.114 R)
• M13: 6,238,381 km (0.081 R)
• M14: 6,786,657 km (0.094 R)
• M15: 7,393,875 km (0.026 R)
• M16: 8,152,486 km (0.097 R)
• M17: 8,416,526 km (0.108 R)
• M18: 9,889,616 km (0.109 R)
• M19: 10,462,426 km (0.078 R)
• M20: 11,785,769 km (0.107 R)
• M21: 13,217,121 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 14.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.1 AU - 2.5 AU

Year: 2366 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,198,023 km

• M1: 180,116 km (0.058 R)
• M2: 638,783 km (0.075 R)
• M3: 1,097,600 km (0.058 R)
• M4: 1,748,949 km (0.083 R)
• M5: 2,250,550 km (0.101 R)
• M6: 2,966,227 km (0.093 R)
• M7: 4,370,651 km (0.034 R)
• M8: 4,898,433 km (0.093 R)
• M9: 5,400,782 km (0.092 R)
• M10: 5,961,475 km (0.115 R)
• M11: 6,849,189 km (0.102 R)
• M12: 7,823,370 km (0.089 R)
• M13: 9,112,306 km (0.115 R)
• M14: 10,185,969 km (0.054 R)
• M15: 11,267,712 km (0.091 R)
• M16: 11,798,186 km (0.069 R)
• M17: 12,504,587 km (0.092 R)
• M18: 13,659,482 km (0.117 R)
• M19: 14,350,774 km (0.069 R)
• M20: 14,839,510 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 14.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.51 AU - 3.19 AU

Year: 3263 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,198,023 km

• M1: 183,108 km (0.115 R)
• M2: 740,509 km (0.057 R)
• M3: 1,358,797 km (0.071 R)
• M4: 1,812,079 km (0.106 R)
• M5: 2,773,844 km (0.09 R)
• M6: 3,322,419 km (0.088 R)
• M7: 5,466,456 km (0.072 R)
• M8: 5,938,736 km (0.091 R)
• M9: 7,494,554 km (0.101 R)
• M10: 8,079,482 km (0.076 R)
• M11: 8,853,352 km (0.103 R)
• M12: 11,937,910 km (0.052 R)
• M13: 15,538,132 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 12.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.67 AU - 5.11 AU

Year: 6239 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,198,023 km

• M1: 195,375 km (0.093 R)
• M2: 638,334 km (0.115 R)
• M3: 1,234,631 km (0.077 R)
• M4: 2,174,255 km (0.072 R)
• M5: 3,929,487 km (0.05 R)
• M6: 6,935,956 km (0.095 R)
• M7: 9,300,051 km (0.07 R)
• M8: 10,554,878 km (0.076 R)
• M9: 12,793,012 km (0.102 R)
• M10: 13,245,545 km (0.106 R)
• M11: 16,305,869 km (0.108 R)
• M12: 18,825,695 km (0.083 R)
• M13: 21,173,634 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.2

Radius: 8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.47 AU - 10.39 AU

Year: 19641 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,198,023 km

• M1: 100,679 km (0.095 R)
• M2: 385,364 km (0.052 R)
• M3: 1,210,396 km (0.086 R)
• M4: 2,210,159 km (0.062 R)
• M5: 2,521,323 km (0.107 R)
• M6: 6,330,683 km (0.096 R)
• M7: 6,893,769 km (0.119 R)
• M8: 13,991,590 km (0.095 R)
• M9: 15,234,898 km (0.116 R)
• M10: 24,120,861 km (0.076 R)
• M11: 29,186,545 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.1

Radius: 5.4

Gravity: 19.83 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.87 AU - 12.89 AU

Year: 22682 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,198,023 km

• M1: 67,169 km (0.051 R)
• M2: 336,146 km (0.097 R)
• M3: 620,083 km (0.051 R)
• M4: 1,107,174 km (0.065 R)
• M5: 1,800,710 km (0.098 R)
• M6: 2,824,258 km (0.047 R)
• M7: 3,651,983 km (0.115 R)
• M8: 3,835,241 km (0.101 R)
• M9: 4,525,784 km (0.091 R)
• M10: 7,234,403 km (0.108 R)
• M11: 8,925,607 km (0.117 R)
• M12: 9,372,157 km (0.071 R)
• M13: 10,010,342 km (0.05 R)
• M14: 11,964,389 km (0.079 R)
• M15: 16,113,635 km (0.119 R)
• M16: 16,691,532 km (0.109 R)
• M17: 17,540,949 km (0.11 R)
• M18: 21,424,958 km (0.069 R)
• M19: 23,671,469 km (0.062 R)
• M20: 29,473,024 km (0.059 R)
• M21: 30,088,171 km (0.086 R)
• M22: 32,896,871 km (0.113 R)
• M23: 33,293,006 km (0.08 R)
• M24: 34,772,529 km (0.072 R)
• M25: 38,151,496 km (0.031 R)
• M26: 38,881,983 km (0.067 R)
• M27: 40,220,285 km (0.09 R)
• M28: 40,673,267 km (0.117 R)
• M29: 42,518,707 km (0.052 R)
• M30: 45,717,259 km (0.11 R)
• M31: 47,207,553 km (0.082 R)
• M32: 52,588,439 km (0.095 R)
• M33: 53,129,833 km (0.062 R)
• M34: 54,776,457 km (0.09 R)
• M35: 57,405,191 km (0.107 R)
• M36: 66,422,053 km (0.098 R)
• M37: 67,478,513 km (0.102 R)
• M38: 69,842,459 km (0.03 R)
• M39: 70,715,512 km (0.043 R)
• M40: 72,260,858 km (0.111 R)
• M41: 76,800,106 km (0.219 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 16,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit