🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 12.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.12 AU - 1.4 AU

Year: 928 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,076,317 km

• M1: 162,314 km (0.09 R)
• M2: 876,344 km (0.08 R)
• M3: 1,290,880 km (0.103 R)
• M4: 1,720,675 km (0.098 R)
• M5: 2,276,132 km (0.077 R)
• M6: 2,725,972 km (0.086 R)
• M7: 3,448,979 km (0.104 R)
• M8: 4,463,402 km (0.085 R)
• M9: 5,124,625 km (0.051 R)
• M10: 5,721,969 km (0.087 R)
• M11: 6,704,677 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 10.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.5 AU - 2.1 AU

Year: 1584 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,076,317 km

• M1: 126,261 km (0.086 R)
• M2: 546,631 km (0.109 R)
• M3: 1,171,800 km (0.115 R)
• M4: 1,724,564 km (0.07 R)
• M5: 2,702,486 km (0.107 R)
• M6: 3,036,986 km (0.053 R)
• M7: 5,085,580 km (0.108 R)
• M8: 5,402,578 km (0.034 R)
• M9: 5,960,428 km (0.087 R)
• M10: 6,754,942 km (0.113 R)
• M11: 7,349,444 km (0.032 R)
• M12: 8,437,021 km (0.056 R)
• M13: 10,482,921 km (0.097 R)
• M14: 11,315,733 km (0.037 R)
• M15: 11,639,163 km (0.116 R)
• M16: 12,117,278 km (0.105 R)
• M17: 12,800,940 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 9.4

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.47 AU - 2.41 AU

Year: 1773 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,076,317 km

• M1: 116,836 km (0.073 R)
• M2: 566,677 km (0.064 R)
• M3: 930,050 km (0.06 R)
• M4: 1,271,432 km (0.107 R)
• M5: 1,676,244 km (0.066 R)
• M6: 2,032,287 km (0.039 R)
• M7: 2,425,281 km (0.117 R)
• M8: 3,314,939 km (0.082 R)
• M9: 3,881,167 km (0.104 R)
• M10: 4,367,360 km (0.092 R)
• M11: 5,003,899 km (0.108 R)
• M12: 5,725,410 km (0.091 R)
• M13: 7,202,389 km (0.09 R)
• M14: 7,968,331 km (0.063 R)
• M15: 8,690,290 km (0.107 R)
• M16: 9,285,091 km (0.112 R)
• M17: 9,766,347 km (0.083 R)
• M18: 10,966,721 km (0.039 R)
• M19: 11,661,453 km (0.085 R)
• M20: 12,385,357 km (0.109 R)
• M21: 13,138,882 km (0.072 R)
• M22: 13,657,837 km (0.117 R)
• M23: 16,962,903 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 11

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.79 AU - 2.13 AU

Year: 1800 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,076,317 km

• M1: 136,732 km (0.116 R)
• M2: 574,755 km (0.091 R)
• M3: 930,349 km (0.081 R)
• M4: 1,523,355 km (0.116 R)
• M5: 1,902,287 km (0.076 R)
• M6: 2,344,498 km (0.091 R)
• M7: 2,922,095 km (0.072 R)
• M8: 3,304,019 km (0.109 R)
• M9: 3,931,582 km (0.104 R)
• M10: 4,380,974 km (0.12 R)
• M11: 5,404,223 km (0.087 R)
• M12: 5,939,185 km (0.079 R)
• M13: 6,941,790 km (0.09 R)
• M14: 7,891,886 km (0.064 R)
• M15: 8,666,803 km (0.115 R)
• M16: 10,595,568 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 13.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.06 AU - 3.24 AU

Year: 3668 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,076,317 km

• M1: 169,794 km (0.101 R)
• M2: 795,113 km (0.075 R)
• M3: 2,064,451 km (0.103 R)
• M4: 2,669,574 km (0.104 R)
• M5: 3,262,730 km (0.117 R)
• M6: 4,530,871 km (0.081 R)
• M7: 4,979,365 km (0.097 R)
• M8: 5,588,378 km (0.092 R)
• M9: 6,956,600 km (0.113 R)
• M10: 7,395,072 km (0.058 R)
• M11: 7,885,304 km (0.096 R)
• M12: 8,432,234 km (0.05 R)
• M13: 8,858,887 km (0.074 R)
• M14: 9,450,397 km (0.116 R)
• M15: 12,673,932 km (0.077 R)
• M16: 13,715,432 km (0.105 R)
• M17: 15,915,119 km (0.102 R)
• M18: 18,399,940 km (0.063 R)
• M19: 19,059,517 km (0.116 R)
• M20: 21,592,059 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 14.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.1 AU - 5.06 AU

Year: 5406 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,076,317 km

• M1: 184,305 km (0.051 R)
• M2: 826,229 km (0.109 R)
• M3: 1,382,135 km (0.1 R)
• M4: 2,537,180 km (0.093 R)
• M5: 3,924,551 km (0.031 R)
• M6: 6,086,539 km (0.06 R)
• M7: 6,647,681 km (0.104 R)
• M8: 7,207,476 km (0.096 R)
• M9: 7,951,426 km (0.064 R)
• M10: 10,823,107 km (0.049 R)
• M11: 11,699,750 km (0.047 R)
• M12: 22,695,194 km (0.11 R)
• M13: 24,050,251 km (0.102 R)
• M14: 26,572,322 km (0.044 R)
• M15: 27,273,637 km (0.094 R)
• M16: 30,108,516 km (0.108 R)
• M17: 34,255,519 km (0.094 R)
• M18: 35,086,535 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.1

Radius: 7.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.24 AU - 7.98 AU

Year: 11148 Days

Day: 21.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,076,317 km

• M1: 95,144 km (0.083 R)
• M2: 339,138 km (0.06 R)
• M3: 1,105,827 km (0.11 R)
• M4: 1,698,385 km (0.065 R)
• M5: 2,035,877 km (0.074 R)
• M6: 2,662,244 km (0.093 R)
• M7: 3,263,178 km (0.091 R)
• M8: 3,584,814 km (0.091 R)
• M9: 5,794,075 km (0.093 R)
• M10: 6,731,455 km (0.096 R)
• M11: 7,470,918 km (0.078 R)
• M12: 8,459,909 km (0.116 R)
• M13: 10,742,025 km (0.118 R)
• M14: 11,118,862 km (0.04 R)
• M15: 11,700,648 km (0.077 R)
• M16: 13,190,493 km (0.104 R)
• M17: 17,044,583 km (0.065 R)
• M18: 17,557,554 km (0.112 R)
• M19: 19,503,673 km (0.053 R)
• M20: 31,041,857 km (0.086 R)
• M21: 31,518,327 km (0.076 R)
• M22: 32,193,761 km (0.094 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: 533 - 14,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit