🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 11.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.56 AU - 0.92 AU

Year: 424 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,117,348 km

• M1: 143,165 km (0.106 R)
• M2: 610,060 km (0.117 R)
• M3: 976,874 km (0.115 R)
• M4: 1,374,804 km (0.075 R)
• M5: 1,947,764 km (0.103 R)
• M6: 2,408,975 km (0.086 R)
• M7: 2,787,906 km (0.108 R)
• M8: 3,227,873 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 14.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.37 AU - 3.19 AU

Year: 3091 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,117,348 km

• M1: 180,714 km (0.056 R)
• M2: 639,082 km (0.089 R)
• M3: 1,101,489 km (0.032 R)
• M4: 1,599,201 km (0.038 R)
• M5: 2,127,880 km (0.033 R)
• M6: 2,788,504 km (0.054 R)
• M7: 3,706,586 km (0.117 R)
• M8: 4,227,187 km (0.086 R)
• M9: 4,796,856 km (0.06 R)
• M10: 5,510,438 km (0.091 R)
• M11: 7,463,139 km (0.118 R)
• M12: 8,486,238 km (0.095 R)
• M13: 9,807,636 km (0.071 R)
• M14: 10,445,372 km (0.058 R)
• M15: 10,997,837 km (0.064 R)
• M16: 12,241,743 km (0.087 R)
• M17: 12,939,917 km (0.043 R)
• M18: 16,243,935 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 11.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.31 AU - 3.43 AU

Year: 3242 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,117,348 km

• M1: 141,819 km (0.077 R)
• M2: 564,433 km (0.088 R)
• M3: 1,303,446 km (0.079 R)
• M4: 2,213,001 km (0.068 R)
• M5: 3,215,905 km (0.106 R)
• M6: 4,176,473 km (0.099 R)
• M7: 4,816,004 km (0.091 R)
• M8: 7,071,641 km (0.081 R)
• M9: 7,819,032 km (0.067 R)
• M10: 8,791,717 km (0.027 R)
• M11: 11,935,517 km (0.106 R)
• M12: 14,116,205 km (0.115 R)
• M13: 14,503,962 km (0.117 R)
• M14: 15,098,763 km (0.091 R)
• M15: 15,969,423 km (0.085 R)
• M16: 17,531,225 km (0.078 R)
• M17: 18,666,224 km (0.078 R)
• M18: 19,849,543 km (0.072 R)
• M19: 20,769,420 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.8

Radius: 3.7

Gravity: 68.5 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.57 AU - 7.23 AU

Year: 12087 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,117,348 km

• M1: 191,186 km (0.089 R)
• M2: 434,283 km (0.11 R)
• M3: 550,819 km (0.11 R)
• M4: 1,643,033 km (0.093 R)
• M5: 4,516,958 km (0.109 R)
• M6: 4,645,911 km (0.058 R)
• M7: 4,911,148 km (0.091 R)
• M8: 5,919,737 km (0.046 R)
• M9: 6,113,467 km (0.078 R)
• M10: 8,580,186 km (0.064 R)
• M11: 9,132,202 km (0.099 R)
• M12: 9,390,707 km (0.087 R)
• M13: 14,991,951 km (0.089 R)
• M14: 16,618,379 km (0.054 R)
• M15: 17,003,743 km (0.119 R)
• M16: 17,474,078 km (0.048 R)
• M17: 21,462,358 km (0.113 R)
• M18: 22,289,484 km (0.051 R)
• M19: 25,913,792 km (0.085 R)
• M20: 28,135,919 km (0.11 R)
• M21: 36,714,609 km (0.057 R)
• M22: 36,844,609 km (0.037 R)
• M23: 41,029,759 km (0.104 R)
• M24: 45,221,342 km (0.097 R)
• M25: 50,649,351 km (0.1 R)
• M26: 52,936,852 km (0.084 R)
• M27: 53,435,761 km (0.083 R)
• M28: 55,463,111 km (0.091 R)
• M29: 57,892,282 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.9

Radius: 4.8

Gravity: 21.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.14 AU - 10.2 AU

Year: 18518 Days

Day: 17.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,117,348 km

• M1: 59,690 km (0.065 R)
• M2: 211,531 km (0.031 R)
• M3: 399,726 km (0.102 R)
• M4: 632,051 km (0.111 R)
• M5: 1,020,407 km (0.08 R)
• M6: 1,699,731 km (0.078 R)
• M7: 2,038,570 km (0.119 R)
• M8: 4,507,533 km (0.104 R)
• M9: 5,519,713 km (0.11 R)
• M10: 6,259,773 km (0.062 R)
• M11: 7,063,862 km (0.044 R)
• M12: 7,559,629 km (0.111 R)
• M13: 7,982,243 km (0.115 R)
• M14: 8,223,844 km (0.065 R)
• M15: 10,506,558 km (0.104 R)
• M16: 12,200,903 km (0.051 R)
• M17: 12,913,587 km (0.032 R)
• M18: 13,929,806 km (0.113 R)
• M19: 18,194,841 km (0.075 R)
• M20: 19,210,012 km (0.108 R)
• M21: 21,537,905 km (0.114 R)
• M22: 22,006,146 km (0.088 R)
• M23: 28,501,087 km (0.117 R)
• M24: 28,838,879 km (0.06 R)
• M25: 29,867,963 km (0.119 R)
• M26: 32,608,596 km (0.042 R)
• M27: 33,850,857 km (0.031 R)
• M28: 34,102,929 km (0.042 R)
• M29: 35,512,440 km (0.042 R)
• M30: 43,293,325 km (0.114 R)
• M31: 48,531,494 km (0.078 R)
• M32: 57,873,133 km (0.07 R)
• M33: 62,488,676 km (0.071 R)
• M34: 62,868,206 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 7.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.69 AU - 11.05 AU

Year: 19127 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,117,348 km

• M1: 89,908 km (0.07 R)
• M2: 344,673 km (0.102 R)
• M3: 965,804 km (0.108 R)
• M4: 1,669,363 km (0.065 R)
• M5: 2,240,079 km (0.069 R)
• M6: 2,570,839 km (0.066 R)
• M7: 2,823,809 km (0.119 R)
• M8: 3,070,197 km (0.06 R)
• M9: 3,870,097 km (0.112 R)
• M10: 6,978,591 km (0.11 R)
• M11: 7,264,473 km (0.113 R)
• M12: 8,169,241 km (0.099 R)
• M13: 9,539,557 km (0.038 R)
• M14: 10,045,647 km (0.102 R)
• M15: 10,463,324 km (0.046 R)
• M16: 14,232,741 km (0.087 R)
• M17: 18,585,441 km (0.101 R)
• M18: 19,056,375 km (0.114 R)
• M19: 24,398,216 km (0.053 R)
• M20: 28,951,377 km (0.057 R)
• M21: 30,333,960 km (0.096 R)
• M22: 30,768,093 km (0.056 R)
• M23: 32,659,459 km (0.069 R)
• M24: 33,115,433 km (0.103 R)
• M25: 35,820,612 km (0.074 R)
• M26: 36,062,512 km (0.034 R)
• M27: 36,795,092 km (0.086 R)
• M28: 40,084,001 km (0.075 R)
• M29: 42,607,867 km (0.118 R)
• M30: 43,426,317 km (0.12 R)
• M31: 47,530,834 km (0.055 R)
• M32: 47,822,999 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 19,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit