🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 12.3

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.61 AU - 0.89 AU

Year: 426 Days

Day: 9.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,144,352 km

• M1: 153,338 km (0.112 R)
• M2: 569,968 km (0.102 R)
• M3: 1,068,129 km (0.113 R)
• M4: 1,574,069 km (0.036 R)
• M5: 1,960,480 km (0.092 R)
• M6: 2,411,218 km (0.049 R)
• M7: 3,917,220 km (0.095 R)
• M8: 4,423,160 km (0.106 R)
• M9: 5,600,196 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 12.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.29 AU - 1.35 AU

Year: 995 Days

Day: 6.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,144,352 km

• M1: 153,039 km (0.12 R)
• M2: 556,205 km (0.051 R)
• M3: 1,116,898 km (0.097 R)
• M4: 1,591,721 km (0.098 R)
• M5: 2,064,151 km (0.104 R)
• M6: 2,452,059 km (0.094 R)
• M7: 3,297,885 km (0.081 R)
• M8: 3,833,445 km (0.096 R)
• M9: 4,248,879 km (0.119 R)
• M10: 5,226,202 km (0.118 R)
• M11: 6,305,849 km (0.062 R)
• M12: 6,755,391 km (0.117 R)
• M13: 7,272,252 km (0.098 R)
• M14: 7,912,531 km (0.1 R)
• M15: 8,410,841 km (0.108 R)
• M16: 8,983,203 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 14.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.34 AU - 1.36 AU

Year: 1029 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,144,352 km

• M1: 185,352 km (0.073 R)
• M2: 800,648 km (0.098 R)
• M3: 1,720,974 km (0.095 R)
• M4: 2,188,467 km (0.072 R)
• M5: 2,693,809 km (0.109 R)
• M6: 4,105,863 km (0.092 R)
• M7: 4,667,603 km (0.102 R)
• M8: 5,203,463 km (0.042 R)
• M9: 6,224,767 km (0.063 R)
• M10: 7,351,688 km (0.109 R)
• M11: 10,373,565 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 13.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.27 AU - 1.55 AU

Year: 1098 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,144,352 km

• M1: 166,652 km (0.062 R)
• M2: 617,091 km (0.071 R)
• M3: 1,138,889 km (0.116 R)
• M4: 1,581,399 km (0.104 R)
• M5: 2,082,402 km (0.114 R)
• M6: 2,954,708 km (0.065 R)
• M7: 4,263,689 km (0.077 R)
• M8: 4,852,955 km (0.101 R)
• M9: 7,204,783 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.3

Radius: 14.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.82 AU - 2.02 AU

Year: 1745 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,144,352 km

• M1: 179,368 km (0.062 R)
• M2: 711,338 km (0.08 R)
• M3: 1,315,115 km (0.085 R)
• M4: 2,116,511 km (0.11 R)
• M5: 2,954,259 km (0.09 R)
• M6: 3,583,916 km (0.119 R)
• M7: 5,423,372 km (0.03 R)
• M8: 6,499,579 km (0.064 R)
• M9: 7,183,690 km (0.082 R)
• M10: 9,010,579 km (0.072 R)
• M11: 9,728,050 km (0.116 R)
• M12: 11,689,578 km (0.113 R)
• M13: 12,267,474 km (0.083 R)
• M14: 13,108,663 km (0.081 R)
• M15: 13,902,729 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 9.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.59 AU - 4.03 AU

Year: 4879 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,144,352 km

• M1: 121,922 km (0.107 R)
• M2: 460,313 km (0.118 R)
• M3: 779,555 km (0.106 R)
• M4: 1,134,999 km (0.075 R)
• M5: 1,852,171 km (0.068 R)
• M6: 2,502,324 km (0.054 R)
• M7: 3,222,637 km (0.114 R)
• M8: 3,754,757 km (0.066 R)
• M9: 4,097,186 km (0.056 R)
• M10: 4,413,885 km (0.102 R)
• M11: 5,020,355 km (0.043 R)
• M12: 5,904,927 km (0.088 R)
• M13: 6,672,514 km (0.061 R)
• M14: 7,672,875 km (0.041 R)
• M15: 10,461,230 km (0.099 R)
• M16: 12,594,346 km (0.076 R)
• M17: 13,218,617 km (0.079 R)
• M18: 15,108,787 km (0.118 R)
• M19: 16,314,545 km (0.112 R)
• M20: 17,761,157 km (0.115 R)
• M21: 19,735,400 km (0.055 R)
• M22: 21,107,811 km (0.108 R)
• M23: 21,920,127 km (0.07 R)
• M24: 23,106,289 km (0.032 R)
• M25: 23,679,099 km (0.09 R)
• M26: 24,853,143 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.1

Radius: 5.1

Gravity: 25.49 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.27 AU - 6.91 AU

Year: 11098 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,144,352 km

• M1: 63,579 km (0.113 R)
• M2: 422,764 km (0.103 R)
• M3: 965,953 km (0.092 R)
• M4: 1,201,869 km (0.098 R)
• M5: 1,489,546 km (0.044 R)
• M6: 2,392,519 km (0.042 R)
• M7: 3,168,184 km (0.082 R)
• M8: 3,460,648 km (0.111 R)
• M9: 5,300,253 km (0.114 R)
• M10: 10,174,151 km (0.1 R)
• M11: 11,986,829 km (0.12 R)
• M12: 12,397,325 km (0.089 R)
• M13: 12,756,510 km (0.102 R)
• M14: 13,061,091 km (0.119 R)
• M15: 14,525,205 km (0.052 R)
• M16: 15,675,314 km (0.045 R)
• M17: 18,931,760 km (0.065 R)
• M18: 21,053,507 km (0.094 R)
• M19: 21,478,963 km (0.105 R)
• M20: 24,996,607 km (0.12 R)
• M21: 25,666,058 km (0.078 R)
• M22: 25,859,488 km (0.116 R)
• M23: 27,241,174 km (0.059 R)
• M24: 32,238,940 km (0.04 R)
• M25: 33,260,843 km (0.075 R)
• M26: 33,721,903 km (0.087 R)
• M27: 36,091,384 km (0.055 R)
• M28: 40,109,583 km (0.059 R)
• M29: 41,823,825 km (0.111 R)
• M30: 43,448,906 km (0.075 R)
• M31: 47,403,526 km (0.088 R)
• M32: 47,840,950 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 6.3

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.53 AU - 8.73 AU

Year: 12489 Days

Day: 18.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,144,352 km

• M1: 96,640 km (0.096 R)
• M2: 379,979 km (0.106 R)
• M3: 986,149 km (0.08 R)
• M4: 1,265,000 km (0.094 R)
• M5: 2,035,429 km (0.117 R)
• M6: 3,604,710 km (0.118 R)
• M7: 4,183,804 km (0.107 R)
• M8: 4,510,825 km (0.049 R)
• M9: 4,854,900 km (0.119 R)
• M10: 5,149,159 km (0.105 R)
• M11: 5,846,135 km (0.117 R)
• M12: 6,293,433 km (0.083 R)
• M13: 7,685,142 km (0.109 R)
• M14: 8,783,340 km (0.117 R)
• M15: 9,878,546 km (0.073 R)
• M16: 10,621,150 km (0.107 R)
• M17: 11,514,847 km (0.087 R)
• M18: 13,578,550 km (0.1 R)
• M19: 13,901,532 km (0.05 R)
• M20: 14,833,078 km (0.11 R)
• M21: 16,019,389 km (0.05 R)
• M22: 17,877,095 km (0.112 R)
• M23: 18,500,619 km (0.053 R)
• M24: 23,003,066 km (0.114 R)
• M25: 23,369,731 km (0.078 R)
• M26: 24,209,274 km (0.109 R)
• M27: 24,493,659 km (0.092 R)
• M28: 25,262,592 km (0.067 R)
• M29: 41,316,239 km (0.098 R)
• M30: 43,373,210 km (0.059 R)
• M31: 45,497,500 km (0.07 R)
• M32: 45,785,924 km (0.034 R)
• M33: 47,246,000 km (0.048 R)
• M34: 48,436,350 km (0.061 R)
• M35: 52,442,880 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.8

Radius: 8

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.02 AU - 13.36 AU

Year: 22929 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,144,352 km

• M1: 103,073 km (0.063 R)
• M2: 370,853 km (0.091 R)
• M3: 644,617 km (0.107 R)
• M4: 973,134 km (0.113 R)
• M5: 2,248,905 km (0.09 R)
• M6: 3,324,214 km (0.117 R)
• M7: 3,677,864 km (0.099 R)
• M8: 4,155,081 km (0.05 R)
• M9: 7,625,751 km (0.103 R)
• M10: 7,981,645 km (0.108 R)
• M11: 13,307,778 km (0.051 R)
• M12: 13,974,236 km (0.077 R)
• M13: 17,644,620 km (0.045 R)
• M14: 20,614,587 km (0.063 R)
• M15: 22,320,451 km (0.105 R)
• M16: 25,670,097 km (0.086 R)
• M17: 29,464,198 km (0.094 R)
• M18: 31,885,290 km (0.071 R)
• M19: 33,888,106 km (0.079 R)
• M20: 40,091,781 km (0.051 R)
• M21: 41,013,453 km (0.083 R)
• M22: 41,792,260 km (0.103 R)
• M23: 42,580,790 km (0.093 R)
• M24: 45,668,191 km (0.089 R)
• M25: 48,901,749 km (0.088 R)
• M26: 56,969,263 km (0.086 R)
• M27: 61,316,726 km (0.066 R)
• M28: 62,539,539 km (0.109 R)
• M29: 63,157,079 km (0.045 R)
• M30: 66,733,516 km (0.108 R)
• M31: 75,211,377 km (0.102 R)
• M32: 75,676,476 km (0.055 R)
• M33: 76,377,791 km (0.107 R)
• M34: 79,225,985 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 16,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit