🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 12.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.81 AU - 1.07 AU

Year: 579 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,263,762 km

• M1: 160,369 km (0.087 R)
• M2: 603,777 km (0.111 R)
• M3: 1,186,461 km (0.087 R)
• M4: 1,636,451 km (0.101 R)
• M5: 2,329,987 km (0.083 R)
• M6: 3,345,607 km (0.062 R)
• M7: 3,942,203 km (0.097 R)
• M8: 4,360,479 km (0.027 R)
• M9: 5,074,210 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.2

Radius: 13.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.94 AU - 1.48 AU

Year: 846 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,263,762 km

• M1: 166,652 km (0.101 R)
• M2: 624,571 km (0.108 R)
• M3: 1,138,141 km (0.089 R)
• M4: 1,659,639 km (0.097 R)
• M5: 2,361,402 km (0.102 R)
• M6: 3,398,714 km (0.093 R)
• M7: 4,036,749 km (0.072 R)
• M8: 4,787,431 km (0.067 R)
• M9: 5,223,658 km (0.115 R)
• M10: 6,036,723 km (0.104 R)
• M11: 7,086,451 km (0.098 R)
• M12: 7,608,548 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1 AU - 1.6 AU

Year: 942 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,263,762 km

• M1: 174,132 km (0.048 R)
• M2: 615,446 km (0.069 R)
• M3: 1,240,914 km (0.068 R)
• M4: 1,774,231 km (0.051 R)
• M5: 3,766,575 km (0.102 R)
• M6: 4,459,064 km (0.069 R)
• M7: 5,023,646 km (0.052 R)
• M8: 6,231,051 km (0.069 R)
• M9: 7,649,238 km (0.072 R)
• M10: 9,712,791 km (0.097 R)
• M11: 10,197,189 km (0.108 R)
• M12: 10,761,472 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.2

Radius: 5.2

Gravity: 26.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.83 AU - 7.53 AU

Year: 9768 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,263,762 km

• M1: 64,776 km (0.099 R)
• M2: 248,632 km (0.099 R)
• M3: 1,260,512 km (0.119 R)
• M4: 1,742,217 km (0.064 R)
• M5: 1,983,069 km (0.091 R)
• M6: 2,798,677 km (0.113 R)
• M7: 3,844,366 km (0.113 R)
• M8: 4,225,691 km (0.055 R)
• M9: 4,906,361 km (0.118 R)
• M10: 5,726,307 km (0.109 R)
• M11: 7,222,585 km (0.084 R)
• M12: 7,467,477 km (0.084 R)
• M13: 7,717,904 km (0.073 R)
• M14: 10,333,024 km (0.101 R)
• M15: 10,908,228 km (0.058 R)
• M16: 11,285,215 km (0.04 R)
• M17: 15,144,690 km (0.078 R)
• M18: 16,935,975 km (0.044 R)
• M19: 17,368,612 km (0.112 R)
• M20: 23,951,068 km (0.119 R)
• M21: 24,496,053 km (0.112 R)
• M22: 32,350,839 km (0.089 R)
• M23: 37,324,669 km (0.05 R)
• M24: 38,303,039 km (0.037 R)
• M25: 39,047,887 km (0.098 R)
• M26: 40,694,810 km (0.102 R)
• M27: 45,773,657 km (0.098 R)
• M28: 46,894,145 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.3

Radius: 6.6

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.57 AU - 7.39 AU

Year: 10488 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,263,762 km

• M1: 82,129 km (0.089 R)
• M2: 306,975 km (0.083 R)
• M3: 522,845 km (0.047 R)
• M4: 1,271,432 km (0.036 R)
• M5: 1,512,285 km (0.082 R)
• M6: 2,104,842 km (0.067 R)
• M7: 3,257,793 km (0.118 R)
• M8: 4,268,177 km (0.115 R)
• M9: 5,169,055 km (0.053 R)
• M10: 9,006,540 km (0.049 R)
• M11: 9,546,738 km (0.087 R)
• M12: 13,376,742 km (0.071 R)
• M13: 15,145,737 km (0.1 R)
• M14: 16,336,387 km (0.079 R)
• M15: 19,624,099 km (0.12 R)
• M16: 23,145,932 km (0.1 R)
• M17: 23,510,502 km (0.049 R)
• M18: 25,682,065 km (0.104 R)
• M19: 26,467,603 km (0.099 R)
• M20: 29,026,026 km (0.074 R)
• M21: 29,878,285 km (0.09 R)
• M22: 31,632,769 km (0.064 R)
• M23: 36,072,535 km (0.111 R)
• M24: 36,809,603 km (0.071 R)
• M25: 40,777,986 km (0.116 R)
• M26: 41,577,736 km (0.101 R)
• M27: 44,318,818 km (0.072 R)
• M28: 48,207,166 km (0.113 R)
• M29: 50,768,730 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.1

Radius: 7.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.98 AU - 8.22 AU

Year: 10781 Days

Day: 24.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,263,762 km

• M1: 90,806 km (0.071 R)
• M2: 353,051 km (0.041 R)
• M3: 656,735 km (0.068 R)
• M4: 1,164,919 km (0.098 R)
• M5: 3,544,273 km (0.106 R)
• M6: 4,399,673 km (0.06 R)
• M7: 5,230,241 km (0.118 R)
• M8: 5,799,909 km (0.101 R)
• M9: 8,870,705 km (0.093 R)
• M10: 12,562,182 km (0.104 R)
• M11: 13,373,451 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.4

Radius: 4.9

Gravity: 28.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.42 AU - 6.96 AU

Year: 11002 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,263,762 km

• M1: 66,870 km (0.049 R)
• M2: 328,966 km (0.105 R)
• M3: 924,664 km (0.078 R)
• M4: 1,301,950 km (0.101 R)
• M5: 2,205,372 km (0.099 R)
• M6: 3,196,906 km (0.093 R)
• M7: 4,697,672 km (0.099 R)
• M8: 5,013,623 km (0.069 R)
• M9: 5,243,256 km (0.082 R)
• M10: 5,758,770 km (0.034 R)
• M11: 5,937,988 km (0.113 R)
• M12: 6,850,386 km (0.096 R)
• M13: 8,901,373 km (0.051 R)
• M14: 9,835,611 km (0.11 R)
• M15: 13,906,169 km (0.061 R)
• M16: 14,359,600 km (0.114 R)
• M17: 16,415,674 km (0.114 R)
• M18: 16,849,208 km (0.116 R)
• M19: 18,042,700 km (0.106 R)
• M20: 18,426,867 km (0.116 R)
• M21: 22,485,757 km (0.104 R)
• M22: 23,654,715 km (0.07 R)
• M23: 27,102,347 km (0.08 R)
• M24: 28,632,584 km (0.091 R)
• M25: 30,111,957 km (0.096 R)
• M26: 30,652,454 km (0.116 R)
• M27: 31,864,197 km (0.09 R)
• M28: 33,452,178 km (0.039 R)
• M29: 38,658,334 km (0.029 R)
• M30: 42,188,844 km (0.057 R)
• M31: 44,101,452 km (0.114 R)
• M32: 44,658,256 km (0.09 R)
• M33: 48,245,463 km (0.091 R)
• M34: 49,134,074 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.1

Radius: 7.4

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.68 AU - 9 AU

Year: 16711 Days

Day: 22.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,263,762 km

• M1: 92,003 km (0.102 R)
• M2: 2,054,876 km (0.104 R)
• M3: 4,804,186 km (0.108 R)
• M4: 7,829,205 km (0.114 R)
• M5: 9,142,524 km (0.041 R)
• M6: 10,056,418 km (0.036 R)
• M7: 10,414,405 km (0.096 R)
• M8: 12,198,510 km (0.107 R)
• M9: 12,605,715 km (0.104 R)
• M10: 13,519,309 km (0.042 R)
• M11: 15,009,902 km (0.048 R)
• M12: 18,491,045 km (0.113 R)
• M13: 19,119,356 km (0.078 R)
• M14: 19,392,821 km (0.092 R)
• M15: 21,676,283 km (0.105 R)
• M16: 24,559,782 km (0.115 R)
• M17: 27,689,219 km (0.063 R)
• M18: 32,347,847 km (0.041 R)
• M19: 38,654,444 km (0.109 R)
• M20: 42,713,034 km (0.086 R)
• M21: 50,788,178 km (0.109 R)
• M22: 53,992,863 km (0.088 R)
• M23: 60,998,532 km (0.078 R)
• M24: 66,895,381 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476

Radius: 6.6

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.68 AU - 10.56 AU

Year: 18971 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 74,263,762 km

• M1: 124,914 km (0.068 R)
• M2: 601,982 km (0.074 R)
• M3: 969,245 km (0.044 R)
• M4: 1,224,159 km (0.081 R)
• M5: 1,716,636 km (0.108 R)
• M6: 2,036,775 km (0.113 R)
• M7: 2,292,288 km (0.072 R)
• M8: 2,773,694 km (0.04 R)
• M9: 2,989,265 km (0.081 R)
• M10: 4,366,911 km (0.085 R)
• M11: 4,794,013 km (0.111 R)
• M12: 5,105,626 km (0.11 R)
• M13: 6,043,006 km (0.12 R)
• M14: 6,742,825 km (0.069 R)
• M15: 9,592,963 km (0.075 R)
• M16: 10,485,764 km (0.093 R)
• M17: 14,258,921 km (0.082 R)
• M18: 14,977,140 km (0.113 R)
• M19: 15,494,151 km (0.089 R)
• M20: 15,719,295 km (0.052 R)
• M21: 17,036,804 km (0.072 R)
• M22: 18,426,269 km (0.068 R)
• M23: 18,934,303 km (0.08 R)
• M24: 19,889,785 km (0.1 R)
• M25: 21,059,939 km (0.061 R)
• M26: 23,834,382 km (0.118 R)
• M27: 24,845,065 km (0.102 R)
• M28: 26,095,105 km (0.119 R)
• M29: 26,520,860 km (0.05 R)
• M30: 27,277,377 km (0.104 R)
• M31: 27,605,893 km (0.11 R)
• M32: 29,059,985 km (0.038 R)
• M33: 30,212,936 km (0.098 R)
• M34: 30,800,556 km (0.109 R)
• M35: 31,877,661 km (0.11 R)
• M36: 38,185,604 km (0.046 R)
• M37: 41,558,139 km (0.063 R)
• M38: 43,168,261 km (0.107 R)
• M39: 45,276,992 km (0.085 R)
• M40: 46,046,374 km (0.118 R)
• M41: 49,211,716 km (0.031 R)
• M42: 49,698,657 km (0.063 R)
• M43: 60,125,479 km (0.067 R)
• M44: 61,429,374 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.1

Radius: 5

Gravity: 20.4 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.65 AU - 11.81 AU

Year: 22348 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,263,762 km

• M1: 62,233 km (0.099 R)
• M2: 252,970 km (0.067 R)
• M3: 453,132 km (0.08 R)
• M4: 701,464 km (0.084 R)
• M5: 863,030 km (0.082 R)
• M6: 1,555,369 km (0.047 R)
• M7: 2,025,854 km (0.079 R)
• M8: 2,448,319 km (0.094 R)
• M9: 2,728,815 km (0.111 R)
• M10: 3,056,434 km (0.05 R)
• M11: 3,912,882 km (0.099 R)
• M12: 4,296,600 km (0.084 R)
• M13: 4,669,997 km (0.083 R)
• M14: 5,758,321 km (0.115 R)
• M15: 5,961,774 km (0.101 R)
• M16: 6,127,828 km (0.114 R)
• M17: 7,051,744 km (0.082 R)
• M18: 8,475,168 km (0.08 R)
• M19: 10,435,499 km (0.12 R)
• M20: 11,361,061 km (0.078 R)
• M21: 11,616,873 km (0.105 R)
• M22: 19,241,428 km (0.087 R)
• M23: 19,422,591 km (0.111 R)
• M24: 21,009,375 km (0.111 R)
• M25: 23,807,753 km (0.043 R)
• M26: 28,809,408 km (0.08 R)
• M27: 29,887,261 km (0.101 R)
• M28: 36,646,392 km (0.113 R)
• M29: 39,935,750 km (0.11 R)
• M30: 41,879,176 km (0.057 R)
• M31: 43,572,175 km (0.055 R)
• M32: 45,310,353 km (0.062 R)
• M33: 46,440,116 km (0.117 R)
• M34: 49,942,052 km (0.066 R)
• M35: 50,973,978 km (0.108 R)
• M36: 51,321,195 km (0.095 R)
• M37: 62,880,473 km (0.102 R)
• M38: 72,059,948 km (0.052 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 13,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit