🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.2

Radius: 8.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 9.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,152,702 km

• M1: 107,411 km (0.059 R)
• M2: 415,134 km (0.102 R)
• M3: 700,716 km (0.119 R)
• M4: 1,052,571 km (0.11 R)
• M5: 1,787,096 km (0.106 R)
• M6: 2,511,599 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.6

Radius: 11.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.98 AU - 1.1 AU

Year: 719 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,152,702 km

• M1: 141,819 km (0.12 R)
• M2: 598,092 km (0.045 R)
• M3: 1,059,153 km (0.114 R)
• M4: 1,452,595 km (0.04 R)
• M5: 2,257,432 km (0.115 R)
• M6: 2,707,871 km (0.092 R)
• M7: 3,087,999 km (0.1 R)
• M8: 3,560,130 km (0.062 R)
• M9: 4,033,757 km (0.118 R)
• M10: 4,616,590 km (0.073 R)
• M11: 6,664,585 km (0.027 R)
• M12: 7,201,641 km (0.054 R)
• M13: 7,599,422 km (0.111 R)
• M14: 8,542,038 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 10.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.74 AU - 2.22 AU

Year: 1890 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 169 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,152,702 km

• M1: 133,890 km (0.108 R)
• M2: 468,690 km (0.12 R)
• M3: 1,064,688 km (0.106 R)
• M4: 1,411,007 km (0.085 R)
• M5: 3,095,180 km (0.099 R)
• M6: 3,785,724 km (0.074 R)
• M7: 4,229,730 km (0.075 R)
• M8: 4,651,297 km (0.118 R)
• M9: 5,472,739 km (0.114 R)
• M10: 5,884,881 km (0.108 R)
• M11: 6,248,105 km (0.119 R)
• M12: 6,747,612 km (0.048 R)
• M13: 8,407,400 km (0.101 R)
• M14: 9,655,645 km (0.051 R)
• M15: 10,226,810 km (0.112 R)
• M16: 10,753,245 km (0.052 R)
• M17: 12,112,790 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 8.1

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.84 AU - 2.18 AU

Year: 1933 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,152,702 km

• M1: 100,679 km (0.1 R)
• M2: 357,689 km (0.111 R)
• M3: 634,893 km (0.088 R)
• M4: 911,799 km (0.083 R)
• M5: 1,279,062 km (0.076 R)
• M6: 1,806,095 km (0.104 R)
• M7: 2,241,126 km (0.12 R)
• M8: 2,605,097 km (0.067 R)
• M9: 3,485,780 km (0.086 R)
• M10: 3,903,308 km (0.106 R)
• M11: 5,094,555 km (0.07 R)
• M12: 5,540,806 km (0.118 R)
• M13: 6,771,099 km (0.05 R)
• M14: 8,144,258 km (0.097 R)
• M15: 9,007,587 km (0.107 R)
• M16: 10,067,488 km (0.117 R)
• M17: 10,591,828 km (0.111 R)
• M18: 11,695,412 km (0.077 R)
• M19: 11,963,491 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 9.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.57 AU - 4.07 AU

Year: 4103 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,152,702 km

• M1: 135,087 km (0.09 R)
• M2: 579,991 km (0.083 R)
• M3: 1,008,738 km (0.045 R)
• M4: 1,727,107 km (0.026 R)
• M5: 2,655,961 km (0.072 R)
• M6: 3,382,857 km (0.08 R)
• M7: 3,973,020 km (0.079 R)
• M8: 4,418,972 km (0.112 R)
• M9: 5,708,804 km (0.073 R)
• M10: 6,190,210 km (0.11 R)
• M11: 7,266,417 km (0.066 R)
• M12: 8,644,064 km (0.092 R)
• M13: 9,985,658 km (0.04 R)
• M14: 11,373,178 km (0.091 R)
• M15: 13,173,738 km (0.04 R)
• M16: 15,370,732 km (0.05 R)
• M17: 16,527,872 km (0.086 R)
• M18: 17,214,676 km (0.082 R)
• M19: 21,605,822 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 8.9

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.78 AU - 6.3 AU

Year: 7674 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,152,702 km

• M1: 110,702 km (0.118 R)
• M2: 400,324 km (0.115 R)
• M3: 791,971 km (0.088 R)
• M4: 1,388,119 km (0.093 R)
• M5: 1,744,012 km (0.113 R)
• M6: 2,392,968 km (0.06 R)
• M7: 3,070,048 km (0.051 R)
• M8: 3,869,349 km (0.035 R)
• M9: 4,189,937 km (0.107 R)
• M10: 5,561,600 km (0.114 R)
• M11: 6,993,102 km (0.1 R)
• M12: 7,852,392 km (0.076 R)
• M13: 10,052,678 km (0.103 R)
• M14: 10,518,675 km (0.116 R)
• M15: 11,443,639 km (0.092 R)
• M16: 12,634,737 km (0.115 R)
• M17: 17,489,487 km (0.087 R)
• M18: 17,959,673 km (0.079 R)
• M19: 20,291,156 km (0.065 R)
• M20: 23,785,762 km (0.114 R)
• M21: 26,766,799 km (0.118 R)
• M22: 28,392,778 km (0.049 R)
• M23: 29,324,025 km (0.076 R)
• M24: 30,179,575 km (0.072 R)
• M25: 34,497,568 km (0.101 R)
• M26: 36,096,021 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.8

Radius: 11.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.54 AU - 5.96 AU

Year: 8159 Days

Day: 7.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,152,702 km

• M1: 143,016 km (0.113 R)
• M2: 614,847 km (0.1 R)
• M3: 1,006,345 km (0.11 R)
• M4: 1,477,877 km (0.098 R)
• M5: 2,038,271 km (0.088 R)
• M6: 2,807,952 km (0.112 R)
• M7: 3,526,022 km (0.045 R)
• M8: 4,218,510 km (0.116 R)
• M9: 4,610,307 km (0.119 R)
• M10: 5,134,349 km (0.098 R)
• M11: 5,697,884 km (0.119 R)
• M12: 9,649,661 km (0.085 R)
• M13: 11,513,501 km (0.113 R)
• M14: 16,176,766 km (0.067 R)
• M15: 17,514,021 km (0.073 R)
• M16: 17,954,587 km (0.059 R)
• M17: 18,989,355 km (0.045 R)
• M18: 19,791,200 km (0.116 R)
• M19: 21,106,913 km (0.099 R)
• M20: 26,212,838 km (0.064 R)
• M21: 28,484,781 km (0.079 R)
• M22: 29,182,356 km (0.047 R)
• M23: 29,801,990 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.3

Radius: 3.4

Gravity: 24.68 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.81 AU - 7.07 AU

Year: 12400 Days

Day: 18.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,152,702 km

• M1: 43,982 km (0.099 R)
• M2: 190,139 km (0.112 R)
• M3: 571,165 km (0.081 R)
• M4: 751,131 km (0.067 R)
• M5: 967,898 km (0.045 R)
• M6: 1,664,576 km (0.113 R)
• M7: 1,967,960 km (0.116 R)
• M8: 2,184,279 km (0.096 R)
• M9: 2,509,504 km (0.11 R)
• M10: 2,784,166 km (0.074 R)
• M11: 3,035,191 km (0.059 R)
• M12: 4,007,577 km (0.12 R)
• M13: 4,138,924 km (0.072 R)
• M14: 4,521,895 km (0.098 R)
• M15: 5,389,562 km (0.104 R)
• M16: 5,845,836 km (0.098 R)
• M17: 6,871,928 km (0.111 R)
• M18: 8,012,312 km (0.109 R)
• M19: 8,913,041 km (0.092 R)
• M20: 9,831,572 km (0.096 R)
• M21: 10,362,794 km (0.115 R)
• M22: 10,660,494 km (0.071 R)
• M23: 13,958,080 km (0.074 R)
• M24: 14,138,794 km (0.105 R)
• M25: 14,566,494 km (0.048 R)
• M26: 16,632,441 km (0.084 R)
• M27: 17,177,725 km (0.093 R)
• M28: 18,958,837 km (0.055 R)
• M29: 23,302,860 km (0.079 R)
• M30: 25,300,441 km (0.114 R)
• M31: 28,073,836 km (0.1 R)
• M32: 36,445,183 km (0.098 R)
• M33: 37,248,075 km (0.076 R)
• M34: 39,008,393 km (0.117 R)
• M35: 39,848,385 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.3

Radius: 4.3

Gravity: 28.03 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.42 AU - 9.04 AU

Year: 14577 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,152,702 km

• M1: 56,847 km (0.046 R)
• M2: 319,541 km (0.066 R)
• M3: 469,438 km (0.114 R)
• M4: 1,062,444 km (0.115 R)
• M5: 1,806,843 km (0.12 R)
• M6: 2,200,585 km (0.114 R)
• M7: 2,584,602 km (0.052 R)
• M8: 3,484,733 km (0.094 R)
• M9: 4,180,064 km (0.11 R)
• M10: 5,337,802 km (0.094 R)
• M11: 8,171,185 km (0.077 R)
• M12: 8,358,183 km (0.071 R)
• M13: 9,285,540 km (0.11 R)
• M14: 10,064,646 km (0.088 R)
• M15: 10,333,623 km (0.056 R)
• M16: 12,975,671 km (0.059 R)
• M17: 15,602,310 km (0.089 R)
• M18: 16,181,852 km (0.049 R)
• M19: 19,131,024 km (0.052 R)
• M20: 21,787,434 km (0.099 R)
• M21: 23,531,446 km (0.116 R)
• M22: 24,100,965 km (0.062 R)
• M23: 27,502,970 km (0.104 R)
• M24: 29,100,675 km (0.108 R)
• M25: 32,362,657 km (0.11 R)
• M26: 36,994,955 km (0.076 R)
• M27: 37,635,533 km (0.081 R)
• M28: 45,323,068 km (0.106 R)
• M29: 46,203,901 km (0.085 R)
• M30: 47,999,823 km (0.088 R)
• M31: 48,303,656 km (0.099 R)
• M32: 49,222,636 km (0.036 R)
• M33: 51,571,024 km (0.116 R)
• M34: 52,049,587 km (0.074 R)
• M35: 52,209,657 km (0.085 R)
• M36: 53,177,555 km (0.113 R)
• M37: 53,993,163 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 14,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit