🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.9

Radius: 10.3

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,693,626 km

• M1: 128,205 km (0.082 R)
• M2: 505,641 km (0.099 R)
• M3: 837,598 km (0.098 R)
• M4: 1,340,696 km (0.117 R)
• M5: 1,691,952 km (0.098 R)
• M6: 2,138,950 km (0.095 R)
• M7: 2,815,881 km (0.115 R)
• M8: 3,508,220 km (0.09 R)
• M9: 4,241,249 km (0.035 R)
• M10: 5,151,103 km (0.119 R)
• M11: 5,702,820 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 12.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.01 AU - 1.05 AU

Year: 709 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,693,626 km

• M1: 164,408 km (0.115 R)
• M2: 958,773 km (0.071 R)
• M3: 1,423,424 km (0.057 R)
• M4: 1,816,118 km (0.097 R)
• M5: 2,494,844 km (0.084 R)
• M6: 3,121,958 km (0.117 R)
• M7: 3,785,125 km (0.115 R)
• M8: 4,946,154 km (0.117 R)
• M9: 5,583,441 km (0.025 R)
• M10: 6,700,638 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 8.1

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.43 AU - 1.45 AU

Year: 1172 Days

Day: 5.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,693,626 km

• M1: 100,829 km (0.074 R)
• M2: 367,562 km (0.047 R)
• M3: 728,542 km (0.101 R)
• M4: 1,042,398 km (0.113 R)
• M5: 1,374,954 km (0.104 R)
• M6: 1,863,690 km (0.067 R)
• M7: 2,795,984 km (0.059 R)
• M8: 3,416,965 km (0.114 R)
• M9: 3,863,664 km (0.087 R)
• M10: 4,331,457 km (0.111 R)
• M11: 4,855,199 km (0.08 R)
• M12: 5,687,711 km (0.108 R)
• M13: 6,050,635 km (0.064 R)
• M14: 7,839,527 km (0.081 R)
• M15: 8,672,787 km (0.077 R)
• M16: 9,096,598 km (0.106 R)
• M17: 10,834,327 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 14.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.58 AU - 2.14 AU

Year: 1721 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 87.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,693,626 km

• M1: 182,509 km (0.065 R)
• M2: 764,146 km (0.1 R)
• M3: 1,824,496 km (0.109 R)
• M4: 2,628,285 km (0.103 R)
• M5: 3,303,869 km (0.115 R)
• M6: 3,898,221 km (0.082 R)
• M7: 4,862,679 km (0.074 R)
• M8: 6,921,145 km (0.081 R)
• M9: 8,847,368 km (0.111 R)
• M10: 9,868,373 km (0.095 R)
• M11: 13,042,541 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 9.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.81 AU - 3.81 AU

Year: 4084 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,693,626 km

• M1: 127,457 km (0.085 R)
• M2: 430,991 km (0.095 R)
• M3: 1,199,027 km (0.064 R)
• M4: 1,500,616 km (0.096 R)
• M5: 1,853,518 km (0.059 R)
• M6: 4,789,825 km (0.082 R)
• M7: 5,205,108 km (0.108 R)
• M8: 6,597,416 km (0.044 R)
• M9: 7,174,863 km (0.115 R)
• M10: 8,188,838 km (0.108 R)
• M11: 8,784,088 km (0.088 R)
• M12: 9,221,512 km (0.109 R)
• M13: 14,379,946 km (0.093 R)
• M14: 15,825,510 km (0.098 R)
• M15: 16,255,753 km (0.064 R)
• M16: 16,971,579 km (0.058 R)
• M17: 17,479,314 km (0.11 R)
• M18: 21,192,034 km (0.116 R)
• M19: 21,517,859 km (0.056 R)
• M20: 21,913,246 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 4.4

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.93 AU - 9.81 AU

Year: 17917 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,693,626 km

• M1: 55,351 km (0.051 R)
• M2: 1,467,555 km (0.037 R)
• M3: 1,902,436 km (0.072 R)
• M4: 2,230,803 km (0.107 R)
• M5: 3,205,284 km (0.109 R)
• M6: 6,054,525 km (0.05 R)
• M7: 7,398,961 km (0.049 R)
• M8: 8,654,237 km (0.065 R)
• M9: 10,925,880 km (0.09 R)
• M10: 15,907,340 km (0.113 R)
• M11: 21,538,353 km (0.113 R)
• M12: 21,706,651 km (0.085 R)
• M13: 22,131,060 km (0.079 R)
• M14: 26,492,287 km (0.087 R)
• M15: 37,834,797 km (0.092 R)
• M16: 47,197,530 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.7

Radius: 6.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.35 AU - 11.87 AU

Year: 20206 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,693,626 km

• M1: 84,523 km (0.07 R)
• M2: 350,059 km (0.118 R)
• M3: 789,278 km (0.11 R)
• M4: 1,253,630 km (0.113 R)
• M5: 1,836,763 km (0.088 R)
• M6: 2,587,295 km (0.087 R)
• M7: 2,916,111 km (0.111 R)
• M8: 4,802,092 km (0.109 R)
• M9: 5,686,664 km (0.028 R)
• M10: 6,715,598 km (0.102 R)
• M11: 7,042,918 km (0.077 R)
• M12: 8,043,878 km (0.103 R)
• M13: 8,460,208 km (0.1 R)
• M14: 11,096,572 km (0.101 R)
• M15: 11,612,684 km (0.08 R)
• M16: 13,772,878 km (0.06 R)
• M17: 15,683,392 km (0.113 R)
• M18: 15,898,065 km (0.115 R)
• M19: 17,456,127 km (0.06 R)
• M20: 18,549,687 km (0.081 R)
• M21: 20,614,736 km (0.115 R)
• M22: 21,306,776 km (0.078 R)
• M23: 25,688,198 km (0.067 R)
• M24: 26,590,573 km (0.05 R)
• M25: 28,036,137 km (0.064 R)
• M26: 37,696,419 km (0.11 R)
• M27: 39,916,003 km (0.083 R)
• M28: 42,637,039 km (0.098 R)
• M29: 44,042,810 km (0.103 R)
• M30: 47,392,905 km (0.092 R)
• M31: 50,440,961 km (0.052 R)
• M32: 51,065,832 km (0.062 R)
• M33: 54,104,763 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.1

Radius: 7.6

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.15 AU - 11.29 AU

Year: 22160 Days

Day: 25 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,693,626 km

• M1: 94,546 km (0.098 R)
• M2: 942,018 km (0.095 R)
• M3: 1,194,838 km (0.086 R)
• M4: 1,526,048 km (0.083 R)
• M5: 2,138,053 km (0.119 R)
• M6: 3,363,110 km (0.045 R)
• M7: 4,636,936 km (0.053 R)
• M8: 4,889,307 km (0.093 R)
• M9: 7,061,767 km (0.067 R)
• M10: 7,943,946 km (0.101 R)
• M11: 9,345,080 km (0.116 R)
• M12: 9,690,501 km (0.069 R)
• M13: 10,591,380 km (0.088 R)
• M14: 13,410,252 km (0.116 R)
• M15: 14,073,420 km (0.058 R)
• M16: 14,681,086 km (0.094 R)
• M17: 18,161,929 km (0.041 R)
• M18: 19,809,152 km (0.111 R)
• M19: 21,354,647 km (0.12 R)
• M20: 23,503,022 km (0.072 R)
• M21: 24,142,404 km (0.102 R)
• M22: 28,343,860 km (0.114 R)
• M23: 30,177,630 km (0.079 R)
• M24: 35,591,278 km (0.077 R)
• M25: 39,489,200 km (0.101 R)
• M26: 40,696,605 km (0.116 R)
• M27: 47,273,226 km (0.105 R)
• M28: 54,895,687 km (0.066 R)
• M29: 55,268,933 km (0.078 R)
• M30: 62,889,449 km (0.112 R)
• M31: 67,055,899 km (0.114 R)
• M32: 77,095,711 km (0.101 R)
• M33: 77,563,803 km (0.198 R)
• M34: 78,979,448 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 19,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit