🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 9.3

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.87 AU - 0.97 AU

Year: 588 Days

Day: 9.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,959,124 km

• M1: 115,789 km (0.093 R)
• M2: 451,935 km (0.12 R)
• M3: 782,846 km (0.058 R)
• M4: 1,074,262 km (0.08 R)
• M5: 1,506,600 km (0.071 R)
• M6: 1,906,924 km (0.098 R)
• M7: 3,120,013 km (0.088 R)
• M8: 3,719,302 km (0.052 R)
• M9: 4,635,440 km (0.094 R)
• M10: 5,217,525 km (0.104 R)
• M11: 5,638,344 km (0.107 R)
• M12: 5,964,018 km (0.028 R)
• M13: 6,973,355 km (0.111 R)
• M14: 7,973,118 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 14.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.75 AU - 2.15 AU

Year: 1816 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,959,124 km

• M1: 183,407 km (0.07 R)
• M2: 776,263 km (0.105 R)
• M3: 1,699,282 km (0.12 R)
• M4: 3,077,976 km (0.083 R)
• M5: 3,773,157 km (0.114 R)
• M6: 6,902,745 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 10.3

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.77 AU - 2.47 AU

Year: 2058 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 18,959,124 km

• M1: 128,205 km (0.094 R)
• M2: 572,960 km (0.092 R)
• M3: 1,639,892 km (0.062 R)
• M4: 2,120,101 km (0.056 R)
• M5: 2,633,970 km (0.118 R)
• M6: 3,016,192 km (0.1 R)
• M7: 3,874,136 km (0.056 R)
• M8: 4,247,832 km (0.059 R)
• M9: 5,324,487 km (0.092 R)
• M10: 5,914,053 km (0.098 R)
• M11: 6,601,305 km (0.115 R)
• M12: 7,549,307 km (0.095 R)
• M13: 8,166,548 km (0.117 R)
• M14: 8,618,483 km (0.072 R)
• M15: 9,052,915 km (0.101 R)
• M16: 11,448,575 km (0.093 R)
• M17: 12,943,208 km (0.072 R)
• M18: 13,827,780 km (0.058 R)
• M19: 14,563,951 km (0.1 R)
• M20: 15,374,622 km (0.04 R)
• M21: 15,964,786 km (0.093 R)
• M22: 17,033,812 km (0.099 R)
• M23: 17,772,526 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 10.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.86 AU - 3 AU

Year: 2526 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,959,124 km

• M1: 125,662 km (0.055 R)
• M2: 462,407 km (0.054 R)
• M3: 1,115,103 km (0.034 R)
• M4: 1,439,431 km (0.105 R)
• M5: 2,352,875 km (0.102 R)
• M6: 2,744,523 km (0.102 R)
• M7: 3,644,803 km (0.107 R)
• M8: 4,480,307 km (0.064 R)
• M9: 5,418,584 km (0.116 R)
• M10: 9,509,937 km (0.068 R)
• M11: 9,956,337 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 9

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.04 AU - 3.16 AU

Year: 2796 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,959,124 km

• M1: 112,049 km (0.111 R)
• M2: 437,275 km (0.085 R)
• M3: 777,759 km (0.098 R)
• M4: 1,094,458 km (0.06 R)
• M5: 1,675,646 km (0.045 R)
• M6: 2,062,057 km (0.048 R)
• M7: 2,595,074 km (0.072 R)
• M8: 2,918,505 km (0.074 R)
• M9: 4,301,388 km (0.113 R)
• M10: 4,756,913 km (0.104 R)
• M11: 5,389,562 km (0.098 R)
• M12: 7,053,988 km (0.102 R)
• M13: 8,393,189 km (0.086 R)
• M14: 9,210,442 km (0.066 R)
• M15: 10,079,905 km (0.081 R)
• M16: 11,282,671 km (0.091 R)
• M17: 11,566,907 km (0.093 R)
• M18: 11,939,556 km (0.079 R)
• M19: 13,061,240 km (0.065 R)
• M20: 14,204,467 km (0.085 R)
• M21: 14,632,018 km (0.072 R)
• M22: 17,058,645 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 13.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.42 AU - 3.42 AU

Year: 3327 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,959,124 km

• M1: 167,849 km (0.075 R)
• M2: 623,674 km (0.12 R)
• M3: 1,680,134 km (0.058 R)
• M4: 2,850,587 km (0.11 R)
• M5: 3,436,263 km (0.097 R)
• M6: 4,121,421 km (0.078 R)
• M7: 4,613,299 km (0.081 R)
• M8: 5,053,266 km (0.069 R)
• M9: 6,304,054 km (0.102 R)
• M10: 7,691,275 km (0.112 R)
• M11: 8,603,224 km (0.114 R)
• M12: 9,480,915 km (0.114 R)
• M13: 10,196,142 km (0.085 R)
• M14: 11,653,973 km (0.049 R)
• M15: 13,422,519 km (0.051 R)
• M16: 15,509,410 km (0.103 R)
• M17: 15,951,471 km (0.079 R)
• M18: 17,276,011 km (0.093 R)
• M19: 17,965,208 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.4

Radius: 11.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.13 AU - 5.59 AU

Year: 7145 Days

Day: 9.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 18,959,124 km

• M1: 153,936 km (0.064 R)
• M2: 703,409 km (0.114 R)
• M3: 1,270,834 km (0.034 R)
• M4: 1,845,439 km (0.117 R)
• M5: 2,948,574 km (0.116 R)
• M6: 4,188,591 km (0.114 R)
• M7: 4,969,043 km (0.059 R)
• M8: 5,379,240 km (0.11 R)
• M9: 5,907,770 km (0.11 R)
• M10: 8,623,569 km (0.101 R)
• M11: 9,174,837 km (0.097 R)
• M12: 10,114,761 km (0.034 R)
• M13: 10,679,942 km (0.093 R)
• M14: 11,068,447 km (0.094 R)
• M15: 12,238,153 km (0.084 R)
• M16: 12,880,377 km (0.076 R)
• M17: 17,017,955 km (0.077 R)
• M18: 17,683,067 km (0.054 R)
• M19: 18,504,209 km (0.093 R)
• M20: 19,928,830 km (0.102 R)
• M21: 21,888,562 km (0.037 R)
• M22: 23,644,542 km (0.061 R)
• M23: 24,979,254 km (0.109 R)
• M24: 25,578,842 km (0.106 R)
• M25: 27,525,559 km (0.049 R)
• M26: 29,379,376 km (0.108 R)
• M27: 30,143,821 km (0.111 R)
• M28: 33,026,124 km (0.074 R)
• M29: 33,748,382 km (0.109 R)
• M30: 35,011,138 km (0.051 R)
• M31: 36,414,366 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 10.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.98 AU - 6.08 AU

Year: 7523 Days

Day: 13 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,959,124 km

• M1: 132,394 km (0.047 R)
• M2: 709,094 km (0.1 R)
• M3: 1,301,053 km (0.109 R)
• M4: 1,893,610 km (0.077 R)
• M5: 2,570,989 km (0.045 R)
• M6: 3,179,553 km (0.109 R)
• M7: 3,767,323 km (0.033 R)
• M8: 4,728,340 km (0.107 R)
• M9: 6,672,963 km (0.106 R)
• M10: 7,336,280 km (0.118 R)
• M11: 9,449,649 km (0.112 R)
• M12: 11,653,375 km (0.12 R)
• M13: 12,529,719 km (0.073 R)
• M14: 13,720,070 km (0.036 R)
• M15: 18,510,941 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 11,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit