🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 11.1

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.48 AU - 0.6 AU

Year: 279 Days

Day: 6.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,663,126 km

• M1: 139,276 km (0.066 R)
• M2: 499,806 km (0.094 R)
• M3: 845,527 km (0.036 R)
• M4: 1,239,269 km (0.109 R)
• M5: 1,591,273 km (0.116 R)
• M6: 2,957,999 km (0.1 R)
• M7: 3,728,877 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 8.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.69 AU - 0.89 AU

Year: 494 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,663,126 km

• M1: 102,026 km (0.042 R)
• M2: 424,260 km (0.07 R)
• M3: 729,738 km (0.117 R)
• M4: 1,408,763 km (0.077 R)
• M5: 2,078,064 km (0.095 R)
• M6: 2,722,681 km (0.108 R)
• M7: 3,412,926 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 9.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.68 AU - 1.12 AU

Year: 600 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,663,126 km

• M1: 120,875 km (0.115 R)
• M2: 426,504 km (0.039 R)
• M3: 738,565 km (0.05 R)
• M4: 1,056,311 km (0.118 R)
• M5: 1,385,426 km (0.053 R)
• M6: 2,028,846 km (0.047 R)
• M7: 2,335,372 km (0.032 R)
• M8: 2,815,133 km (0.088 R)
• M9: 3,322,120 km (0.058 R)
• M10: 3,724,688 km (0.075 R)
• M11: 4,072,652 km (0.099 R)
• M12: 4,581,136 km (0.072 R)
• M13: 5,652,855 km (0.093 R)
• M14: 6,152,212 km (0.094 R)
• M15: 6,822,560 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 12.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.16 AU

Year: 713 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,663,126 km

• M1: 391,348 km (0.114 R)
• M2: 876,195 km (0.088 R)
• M3: 1,990,250 km (0.085 R)
• M4: 2,388,330 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 13.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.48 AU - 3.5 AU

Year: 3634 Days

Day: 13.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,663,126 km

• M1: 164,109 km (0.093 R)
• M2: 580,290 km (0.059 R)
• M3: 1,387,071 km (0.088 R)
• M4: 2,112,771 km (0.077 R)
• M5: 2,548,998 km (0.077 R)
• M6: 3,184,490 km (0.108 R)
• M7: 3,665,447 km (0.099 R)
• M8: 5,772,683 km (0.119 R)
• M9: 6,550,292 km (0.095 R)
• M10: 7,619,468 km (0.115 R)
• M11: 10,180,733 km (0.1 R)
• M12: 10,779,125 km (0.089 R)
• M13: 11,316,780 km (0.115 R)
• M14: 11,785,470 km (0.094 R)
• M15: 12,356,186 km (0.058 R)
• M16: 13,458,423 km (0.086 R)
• M17: 14,977,739 km (0.054 R)
• M18: 17,778,809 km (0.118 R)
• M19: 18,706,765 km (0.072 R)
• M20: 19,182,636 km (0.066 R)
• M21: 19,788,956 km (0.088 R)
• M22: 20,596,186 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 8.8

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.29 AU - 3.61 AU

Year: 4504 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 118.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,663,126 km

• M1: 109,506 km (0.105 R)
• M2: 402,867 km (0.061 R)
• M3: 693,835 km (0.064 R)
• M4: 1,022,801 km (0.09 R)
• M5: 1,647,372 km (0.111 R)
• M6: 2,440,240 km (0.115 R)
• M7: 2,821,266 km (0.096 R)
• M8: 3,836,886 km (0.049 R)
• M9: 4,113,493 km (0.098 R)
• M10: 4,452,930 km (0.118 R)
• M11: 5,133,451 km (0.11 R)
• M12: 5,413,049 km (0.047 R)
• M13: 5,702,820 km (0.086 R)
• M14: 7,451,171 km (0.096 R)
• M15: 8,563,730 km (0.094 R)
• M16: 10,930,668 km (0.108 R)
• M17: 12,714,772 km (0.065 R)
• M18: 14,684,976 km (0.055 R)
• M19: 15,136,313 km (0.082 R)
• M20: 16,245,282 km (0.103 R)
• M21: 16,667,297 km (0.095 R)
• M22: 22,170,105 km (0.082 R)
• M23: 22,839,257 km (0.09 R)
• M24: 23,829,594 km (0.076 R)
• M25: 24,453,118 km (0.085 R)
• M26: 25,570,315 km (0.115 R)
• M27: 26,388,915 km (0.058 R)
• M28: 26,804,797 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.8

Radius: 11

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.59 AU - 3.83 AU

Year: 5023 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,663,126 km

• M1: 137,032 km (0.102 R)
• M2: 656,136 km (0.037 R)
• M3: 1,374,505 km (0.097 R)
• M4: 1,744,760 km (0.067 R)
• M5: 2,182,483 km (0.098 R)
• M6: 2,659,850 km (0.119 R)
• M7: 3,557,288 km (0.099 R)
• M8: 5,280,356 km (0.045 R)
• M9: 6,817,474 km (0.044 R)
• M10: 7,302,171 km (0.071 R)
• M11: 7,706,385 km (0.116 R)
• M12: 9,086,275 km (0.104 R)
• M13: 10,496,834 km (0.107 R)
• M14: 11,232,407 km (0.049 R)
• M15: 11,955,862 km (0.067 R)
• M16: 12,423,654 km (0.095 R)
• M17: 13,197,375 km (0.076 R)
• M18: 15,491,159 km (0.067 R)
• M19: 16,273,705 km (0.11 R)
• M20: 18,038,960 km (0.066 R)
• M21: 21,601,185 km (0.086 R)
• M22: 24,769,219 km (0.063 R)
• M23: 25,607,116 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 10.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.85 AU - 5.43 AU

Year: 7026 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,663,126 km

• M1: 129,552 km (0.094 R)
• M2: 482,154 km (0.1 R)
• M3: 1,449,903 km (0.047 R)
• M4: 1,814,921 km (0.095 R)
• M5: 2,596,720 km (0.117 R)
• M6: 3,674,722 km (0.091 R)
• M7: 4,078,188 km (0.104 R)
• M8: 4,713,530 km (0.069 R)
• M9: 5,329,275 km (0.116 R)
• M10: 6,688,970 km (0.109 R)
• M11: 7,467,178 km (0.082 R)
• M12: 9,122,927 km (0.046 R)
• M13: 10,784,062 km (0.09 R)
• M14: 12,046,369 km (0.051 R)
• M15: 12,688,293 km (0.079 R)
• M16: 15,543,368 km (0.052 R)
• M17: 17,274,365 km (0.096 R)
• M18: 24,306,961 km (0.051 R)
• M19: 25,814,309 km (0.11 R)
• M20: 27,382,993 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.1

Radius: 5.6

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.24 AU - 6.4 AU

Year: 9869 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,663,126 km

• M1: 69,713 km (0.115 R)
• M2: 254,017 km (0.066 R)
• M3: 698,921 km (0.116 R)
• M4: 2,288,099 km (0.095 R)
• M5: 5,795,122 km (0.109 R)
• M6: 7,574,739 km (0.068 R)
• M7: 9,312,318 km (0.095 R)
• M8: 14,036,619 km (0.095 R)
• M9: 16,692,280 km (0.028 R)
• M10: 21,347,616 km (0.085 R)
• M11: 21,782,796 km (0.034 R)
• M12: 26,052,020 km (0.07 R)
• M13: 26,799,860 km (0.066 R)
• M14: 29,129,249 km (0.077 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit