🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.8

Radius: 14.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.77 AU - 0.77 AU

Year: 436 Days

Day: 6.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,021,758 km

• M1: 180,415 km (0.086 R)
• M2: 637,586 km (0.1 R)
• M3: 1,384,079 km (0.081 R)
• M4: 2,151,816 km (0.064 R)
• M5: 2,608,388 km (0.075 R)
• M6: 3,060,174 km (0.119 R)
• M7: 4,249,477 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.8

Radius: 10.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.37 AU - 1.55 AU

Year: 1139 Days

Day: 5.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,021,758 km

• M1: 135,536 km (0.102 R)
• M2: 704,456 km (0.088 R)
• M3: 1,154,297 km (0.091 R)
• M4: 3,880,270 km (0.084 R)
• M5: 4,991,333 km (0.073 R)
• M6: 5,587,331 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.7

Radius: 14.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.73 AU - 2.33 AU

Year: 1867 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,021,758 km

• M1: 175,329 km (0.08 R)
• M2: 652,696 km (0.084 R)
• M3: 1,095,356 km (0.107 R)
• M4: 3,557,737 km (0.106 R)
• M5: 4,217,014 km (0.088 R)
• M6: 4,831,263 km (0.098 R)
• M7: 5,391,956 km (0.105 R)
• M8: 6,020,118 km (0.103 R)
• M9: 6,775,138 km (0.049 R)
• M10: 7,423,794 km (0.091 R)
• M11: 8,262,739 km (0.032 R)
• M12: 8,846,021 km (0.057 R)
• M13: 9,992,689 km (0.104 R)
• M14: 11,162,544 km (0.08 R)
• M15: 12,264,183 km (0.079 R)
• M16: 13,354,004 km (0.109 R)
• M17: 14,202,223 km (0.11 R)
• M18: 15,267,061 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 15

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.13 AU - 2.25 AU

Year: 2093 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,021,758 km

• M1: 191,485 km (0.084 R)
• M2: 1,124,826 km (0.118 R)
• M3: 1,902,137 km (0.112 R)
• M4: 2,480,482 km (0.077 R)
• M5: 3,304,318 km (0.075 R)
• M6: 3,781,385 km (0.114 R)
• M7: 4,443,206 km (0.092 R)
• M8: 5,830,427 km (0.06 R)
• M9: 6,352,374 km (0.043 R)
• M10: 7,041,721 km (0.077 R)
• M11: 8,018,296 km (0.055 R)
• M12: 8,570,911 km (0.063 R)
• M13: 9,447,704 km (0.12 R)
• M14: 12,119,522 km (0.092 R)
• M15: 14,710,856 km (0.1 R)
• M16: 15,307,752 km (0.044 R)
• M17: 16,064,418 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 10.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.67 AU - 5.01 AU

Year: 6875 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,021,758 km

• M1: 127,009 km (0.11 R)
• M2: 456,423 km (0.093 R)
• M3: 1,021,903 km (0.064 R)
• M4: 1,445,863 km (0.06 R)
• M5: 2,489,458 km (0.059 R)
• M6: 4,179,017 km (0.113 R)
• M7: 5,717,930 km (0.063 R)
• M8: 6,283,410 km (0.092 R)
• M9: 10,013,483 km (0.07 R)
• M10: 10,786,156 km (0.105 R)
• M11: 11,546,263 km (0.09 R)
• M12: 12,669,593 km (0.098 R)
• M13: 13,229,538 km (0.041 R)
• M14: 17,484,550 km (0.066 R)
• M15: 18,038,511 km (0.073 R)
• M16: 18,532,932 km (0.099 R)
• M17: 22,492,189 km (0.104 R)
• M18: 25,719,315 km (0.112 R)
• M19: 26,617,201 km (0.075 R)
• M20: 28,097,173 km (0.096 R)
• M21: 31,423,033 km (0.037 R)
• M22: 35,111,817 km (0.045 R)
• M23: 35,440,932 km (0.054 R)
• M24: 36,890,536 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.4

Radius: 12.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.26 AU - 6.84 AU

Year: 8442 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,021,758 km

• M1: 150,495 km (0.11 R)
• M2: 748,737 km (0.103 R)
• M3: 1,879,996 km (0.099 R)
• M4: 2,317,121 km (0.102 R)
• M5: 3,334,836 km (0.12 R)
• M6: 4,441,561 km (0.109 R)
• M7: 4,964,705 km (0.114 R)
• M8: 5,842,694 km (0.063 R)
• M9: 7,146,290 km (0.068 R)
• M10: 8,888,208 km (0.116 R)
• M11: 9,586,830 km (0.074 R)
• M12: 10,897,457 km (0.058 R)
• M13: 12,165,598 km (0.094 R)
• M14: 16,886,009 km (0.08 R)
• M15: 17,821,744 km (0.056 R)
• M16: 18,510,941 km (0.093 R)
• M17: 20,016,494 km (0.107 R)
• M18: 20,535,898 km (0.076 R)
• M19: 23,188,418 km (0.115 R)
• M20: 25,886,266 km (0.11 R)
• M21: 27,950,118 km (0.103 R)
• M22: 28,599,373 km (0.108 R)
• M23: 31,297,969 km (0.07 R)
• M24: 33,016,699 km (0.06 R)
• M25: 34,267,337 km (0.096 R)
• M26: 34,691,148 km (0.05 R)
• M27: 36,311,742 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.3

Radius: 6.4

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.17 AU - 7.09 AU

Year: 9800 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,021,758 km

• M1: 80,184 km (0.109 R)
• M2: 347,516 km (0.064 R)
• M3: 659,876 km (0.073 R)
• M4: 862,133 km (0.09 R)
• M5: 1,519,017 km (0.109 R)
• M6: 2,098,409 km (0.052 R)
• M7: 2,507,260 km (0.111 R)
• M8: 3,012,452 km (0.051 R)
• M9: 3,710,775 km (0.077 R)
• M10: 4,424,207 km (0.079 R)
• M11: 4,752,126 km (0.07 R)
• M12: 5,729,598 km (0.065 R)
• M13: 6,414,009 km (0.077 R)
• M14: 7,232,459 km (0.059 R)
• M15: 7,437,258 km (0.058 R)
• M16: 8,474,570 km (0.057 R)
• M17: 9,703,516 km (0.118 R)
• M18: 9,952,896 km (0.082 R)
• M19: 10,464,371 km (0.12 R)
• M20: 12,686,797 km (0.071 R)
• M21: 15,474,553 km (0.057 R)
• M22: 15,746,672 km (0.09 R)
• M23: 17,010,624 km (0.076 R)
• M24: 21,542,542 km (0.083 R)
• M25: 23,812,391 km (0.057 R)
• M26: 25,004,835 km (0.053 R)
• M27: 27,508,505 km (0.067 R)
• M28: 30,706,010 km (0.054 R)
• M29: 41,900,718 km (0.12 R)
• M30: 43,635,605 km (0.066 R)
• M31: 47,677,290 km (0.1 R)
• M32: 48,253,691 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 6.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.57 AU - 8.41 AU

Year: 11932 Days

Day: 16.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,021,758 km

• M1: 82,578 km (0.072 R)
• M2: 400,324 km (0.079 R)
• M3: 836,551 km (0.055 R)
• M4: 1,494,333 km (0.066 R)
• M5: 2,158,697 km (0.108 R)
• M6: 2,868,988 km (0.083 R)
• M7: 3,747,726 km (0.119 R)
• M8: 4,986,097 km (0.099 R)
• M9: 5,355,753 km (0.108 R)
• M10: 5,835,813 km (0.087 R)
• M11: 9,296,161 km (0.079 R)
• M12: 10,485,165 km (0.097 R)
• M13: 11,673,421 km (0.114 R)
• M14: 13,593,061 km (0.111 R)
• M15: 20,311,202 km (0.114 R)
• M16: 25,398,726 km (0.101 R)
• M17: 27,616,216 km (0.044 R)
• M18: 28,412,974 km (0.072 R)
• M19: 32,237,444 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 20,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit