🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 12.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.92 AU - 0.94 AU

Year: 608 Days

Day: 13.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,462,954 km

• M1: 154,385 km (0.071 R)
• M2: 695,780 km (0.108 R)
• M3: 1,164,171 km (0.098 R)
• M4: 1,717,234 km (0.102 R)
• M5: 2,313,381 km (0.096 R)
• M6: 2,997,642 km (0.1 R)
• M7: 3,530,211 km (0.099 R)
• M8: 4,038,544 km (0.075 R)
• M9: 4,470,882 km (0.108 R)
• M10: 5,220,517 km (0.117 R)
• M11: 5,845,686 km (0.091 R)
• M12: 6,381,396 km (0.03 R)
• M13: 6,824,954 km (0.092 R)
• M14: 7,289,306 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202

Radius: 9.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.92 AU - 1.1 AU

Year: 688 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,462,954 km

• M1: 118,182 km (0.101 R)
• M2: 461,210 km (0.119 R)
• M3: 829,819 km (0.08 R)
• M4: 1,524,552 km (0.101 R)
• M5: 2,242,023 km (0.1 R)
• M6: 2,634,119 km (0.117 R)
• M7: 3,191,371 km (0.11 R)
• M8: 3,629,244 km (0.111 R)
• M9: 4,415,980 km (0.116 R)
• M10: 4,886,764 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.3

Radius: 8.1

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.49 AU - 2.33 AU

Year: 1790 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,462,954 km

• M1: 100,829 km (0.103 R)
• M2: 366,515 km (0.086 R)
• M3: 688,300 km (0.102 R)
• M4: 1,116,000 km (0.093 R)
• M5: 1,462,918 km (0.102 R)
• M6: 2,226,914 km (0.103 R)
• M7: 2,480,781 km (0.079 R)
• M8: 2,854,477 km (0.112 R)
• M9: 3,476,954 km (0.065 R)
• M10: 3,874,136 km (0.042 R)
• M11: 4,417,775 km (0.114 R)
• M12: 4,738,961 km (0.051 R)
• M13: 5,656,744 km (0.04 R)
• M14: 6,714,401 km (0.043 R)
• M15: 7,058,776 km (0.079 R)
• M16: 7,956,662 km (0.083 R)
• M17: 11,476,849 km (0.084 R)
• M18: 12,124,159 km (0.096 R)
• M19: 12,795,704 km (0.071 R)
• M20: 13,120,182 km (0.109 R)
• M21: 14,040,807 km (0.065 R)
• M22: 14,825,598 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 13.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.63 AU - 2.27 AU

Year: 1847 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,462,954 km

• M1: 169,195 km (0.108 R)
• M2: 852,259 km (0.111 R)
• M3: 1,378,993 km (0.102 R)
• M4: 2,064,600 km (0.06 R)
• M5: 2,521,921 km (0.071 R)
• M6: 3,125,997 km (0.06 R)
• M7: 3,558,036 km (0.066 R)
• M8: 4,145,058 km (0.092 R)
• M9: 5,375,051 km (0.117 R)
• M10: 7,168,431 km (0.103 R)
• M11: 8,048,515 km (0.109 R)
• M12: 9,988,500 km (0.076 R)
• M13: 10,454,946 km (0.11 R)
• M14: 10,935,754 km (0.113 R)
• M15: 11,509,013 km (0.108 R)
• M16: 13,436,282 km (0.1 R)
• M17: 16,003,531 km (0.111 R)
• M18: 16,693,327 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 11.5

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.02 AU - 5.2 AU

Year: 6713 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,462,954 km

• M1: 145,260 km (0.042 R)
• M2: 559,496 km (0.053 R)
• M3: 1,369,120 km (0.101 R)
• M4: 1,802,355 km (0.118 R)
• M5: 2,523,866 km (0.103 R)
• M6: 3,361,315 km (0.108 R)
• M7: 3,957,312 km (0.103 R)
• M8: 5,907,470 km (0.085 R)
• M9: 9,214,182 km (0.098 R)
• M10: 9,904,576 km (0.072 R)
• M11: 21,091,056 km (0.074 R)
• M12: 26,799,561 km (0.114 R)
• M13: 28,110,337 km (0.029 R)
• M14: 30,758,220 km (0.103 R)
• M15: 31,779,674 km (0.115 R)
• M16: 35,311,680 km (0.102 R)
• M17: 35,756,883 km (0.047 R)
• M18: 39,097,104 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 13.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.82 AU - 5.74 AU

Year: 7088 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,462,954 km

• M1: 169,195 km (0.1 R)
• M2: 608,265 km (0.12 R)
• M3: 1,444,218 km (0.12 R)
• M4: 2,017,926 km (0.059 R)
• M5: 2,801,519 km (0.061 R)
• M6: 3,332,143 km (0.113 R)
• M7: 3,755,505 km (0.097 R)
• M8: 5,858,552 km (0.091 R)
• M9: 8,875,043 km (0.069 R)
• M10: 11,385,744 km (0.06 R)
• M11: 13,853,660 km (0.115 R)
• M12: 14,771,144 km (0.085 R)
• M13: 15,925,142 km (0.098 R)
• M14: 16,795,203 km (0.118 R)
• M15: 19,824,411 km (0.073 R)
• M16: 22,863,940 km (0.059 R)
• M17: 25,025,330 km (0.082 R)
• M18: 27,319,713 km (0.112 R)
• M19: 28,179,003 km (0.093 R)
• M20: 29,154,979 km (0.077 R)
• M21: 33,827,370 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.6

Radius: 3.6

Gravity: 36.47 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.98 AU - 6.6 AU

Year: 10700 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,462,954 km

• M1: 45,179 km (0.074 R)
• M2: 176,974 km (0.114 R)
• M3: 368,011 km (0.062 R)
• M4: 656,735 km (0.099 R)
• M5: 1,300,604 km (0.088 R)
• M6: 1,664,576 km (0.116 R)
• M7: 1,926,372 km (0.111 R)
• M8: 3,028,908 km (0.12 R)
• M9: 3,490,866 km (0.112 R)
• M10: 3,738,600 km (0.065 R)
• M11: 4,353,148 km (0.098 R)
• M12: 5,916,297 km (0.106 R)
• M13: 6,268,450 km (0.067 R)
• M14: 7,530,158 km (0.07 R)
• M15: 7,943,647 km (0.039 R)
• M16: 8,770,624 km (0.079 R)
• M17: 9,228,244 km (0.069 R)
• M18: 9,846,532 km (0.086 R)
• M19: 11,324,708 km (0.119 R)
• M20: 15,620,710 km (0.093 R)
• M21: 16,156,271 km (0.107 R)
• M22: 17,405,712 km (0.109 R)
• M23: 17,981,215 km (0.104 R)
• M24: 20,888,650 km (0.096 R)
• M25: 22,034,270 km (0.053 R)
• M26: 23,655,163 km (0.091 R)
• M27: 27,323,752 km (0.095 R)
• M28: 28,002,477 km (0.09 R)
• M29: 29,091,700 km (0.036 R)
• M30: 31,459,535 km (0.057 R)
• M31: 33,510,073 km (0.065 R)
• M32: 33,841,881 km (0.094 R)
• M33: 35,993,696 km (0.074 R)
• M34: 36,341,512 km (0.069 R)
• M35: 37,517,351 km (0.105 R)
• M36: 40,567,502 km (0.102 R)
• M37: 41,960,258 km (0.112 R)
• M38: 43,515,777 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.5

Radius: 6.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.1 AU - 7.86 AU

Year: 12508 Days

Day: 19.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,462,954 km

• M1: 90,357 km (0.063 R)
• M2: 396,135 km (0.117 R)
• M3: 863,629 km (0.119 R)
• M4: 1,983,817 km (0.119 R)
• M5: 2,725,673 km (0.049 R)
• M6: 6,769,752 km (0.118 R)
• M7: 8,460,807 km (0.103 R)
• M8: 9,627,820 km (0.117 R)
• M9: 10,463,025 km (0.09 R)
• M10: 11,856,828 km (0.097 R)
• M11: 13,202,012 km (0.092 R)
• M12: 13,767,492 km (0.086 R)
• M13: 14,231,545 km (0.11 R)
• M14: 16,192,174 km (0.059 R)
• M15: 16,709,185 km (0.065 R)
• M16: 24,550,955 km (0.09 R)
• M17: 30,953,894 km (0.031 R)
• M18: 33,175,123 km (0.027 R)
• M19: 33,486,137 km (0.093 R)
• M20: 34,642,678 km (0.101 R)
• M21: 35,500,472 km (0.092 R)
• M22: 37,035,646 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 6.3

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.38 AU - 9.06 AU

Year: 15984 Days

Day: 16.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,462,954 km

• M1: 78,389 km (0.059 R)
• M2: 330,761 km (0.038 R)
• M3: 1,182,272 km (0.118 R)
• M4: 1,493,735 km (0.099 R)
• M5: 2,225,268 km (0.027 R)
• M6: 2,853,579 km (0.079 R)
• M7: 3,593,939 km (0.098 R)
• M8: 4,192,331 km (0.116 R)
• M9: 5,278,262 km (0.043 R)
• M10: 7,599,123 km (0.098 R)
• M11: 8,580,934 km (0.108 R)
• M12: 9,445,011 km (0.094 R)
• M13: 9,846,981 km (0.1 R)
• M14: 11,122,003 km (0.066 R)
• M15: 12,265,529 km (0.111 R)
• M16: 13,049,721 km (0.051 R)
• M17: 13,359,987 km (0.091 R)
• M18: 13,802,648 km (0.093 R)
• M19: 17,032,166 km (0.054 R)
• M20: 18,237,327 km (0.096 R)
• M21: 20,985,141 km (0.045 R)
• M22: 23,720,388 km (0.08 R)
• M23: 25,030,117 km (0.115 R)
• M24: 26,387,269 km (0.068 R)
• M25: 29,886,214 km (0.056 R)
• M26: 32,421,000 km (0.082 R)
• M27: 35,095,511 km (0.118 R)
• M28: 36,059,220 km (0.077 R)
• M29: 36,547,657 km (0.099 R)
• M30: 37,412,931 km (0.059 R)
• M31: 40,090,883 km (0.118 R)
• M32: 40,746,870 km (0.089 R)
• M33: 41,677,219 km (0.084 R)
• M34: 42,080,086 km (0.079 R)
• M35: 47,851,273 km (0.072 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: 188 - 19,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit