🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 11.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,684,272 km

• M1: 147,354 km (0.108 R)
• M2: 629,508 km (0.114 R)
• M3: 1,627,176 km (0.118 R)
• M4: 2,265,211 km (0.113 R)
• M5: 3,026,664 km (0.101 R)
• M6: 3,426,838 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 10.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.72 AU - 0.86 AU

Year: 468 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,684,272 km

• M1: 135,685 km (0.085 R)
• M2: 607,068 km (0.106 R)
• M3: 1,038,508 km (0.094 R)
• M4: 2,096,165 km (0.112 R)
• M5: 2,963,983 km (0.077 R)
• M6: 3,401,407 km (0.061 R)
• M7: 3,763,882 km (0.1 R)
• M8: 4,194,126 km (0.084 R)
• M9: 5,549,333 km (0.069 R)

Asteroid Belt

Center: 1.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.1

Radius: 10.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.05 AU - 1.65 AU

Year: 1046 Days

Day: 6.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,684,272 km

• M1: 137,032 km (0.102 R)
• M2: 578,495 km (0.074 R)
• M3: 923,019 km (0.111 R)
• M4: 1,432,848 km (0.06 R)
• M5: 2,023,461 km (0.068 R)
• M6: 3,139,611 km (0.079 R)
• M7: 4,141,467 km (0.109 R)
• M8: 5,079,895 km (0.05 R)
• M9: 7,023,171 km (0.068 R)
• M10: 7,464,485 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 10

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.85 AU - 3.09 AU

Year: 3413 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,684,272 km

• M1: 124,765 km (0.108 R)
• M2: 436,826 km (0.111 R)
• M3: 1,069,026 km (0.103 R)
• M4: 1,472,043 km (0.077 R)
• M5: 1,833,621 km (0.096 R)
• M6: 2,211,206 km (0.11 R)
• M7: 2,945,582 km (0.107 R)
• M8: 4,138,625 km (0.088 R)
• M9: 4,552,712 km (0.118 R)
• M10: 5,252,082 km (0.093 R)
• M11: 6,254,537 km (0.113 R)
• M12: 7,379,813 km (0.117 R)
• M13: 8,272,912 km (0.051 R)
• M14: 11,297,182 km (0.101 R)
• M15: 11,698,254 km (0.098 R)
• M16: 12,959,065 km (0.103 R)
• M17: 15,969,872 km (0.105 R)
• M18: 18,360,446 km (0.061 R)
• M19: 19,354,973 km (0.054 R)
• M20: 19,673,018 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.3

Radius: 9.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.69 AU - 3.83 AU

Year: 3925 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,684,272 km

• M1: 121,922 km (0.115 R)
• M2: 706,102 km (0.029 R)
• M3: 1,030,430 km (0.094 R)
• M4: 2,244,118 km (0.11 R)
• M5: 3,380,613 km (0.091 R)
• M6: 6,740,730 km (0.115 R)
• M7: 7,299,479 km (0.108 R)
• M8: 11,733,260 km (0.111 R)
• M9: 13,116,592 km (0.086 R)
• M10: 13,754,926 km (0.114 R)
• M11: 14,081,648 km (0.119 R)
• M12: 15,794,244 km (0.096 R)
• M13: 19,805,262 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 8.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.39 AU - 5.45 AU

Year: 8415 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,684,272 km

• M1: 109,506 km (0.042 R)
• M2: 963,560 km (0.108 R)
• M3: 1,622,239 km (0.101 R)
• M4: 2,265,211 km (0.066 R)
• M5: 2,983,730 km (0.111 R)
• M6: 4,456,521 km (0.072 R)
• M7: 4,796,557 km (0.09 R)
• M8: 6,418,497 km (0.066 R)
• M9: 7,431,723 km (0.105 R)
• M10: 8,042,531 km (0.111 R)
• M11: 8,343,372 km (0.101 R)
• M12: 10,231,298 km (0.03 R)
• M13: 12,520,743 km (0.036 R)
• M14: 13,200,067 km (0.087 R)
• M15: 16,323,970 km (0.075 R)
• M16: 17,745,748 km (0.029 R)
• M17: 20,337,232 km (0.118 R)
• M18: 21,022,540 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.5

Radius: 6.5

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.26 AU - 10.36 AU

Year: 18943 Days

Day: 21.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,684,272 km

• M1: 81,980 km (0.12 R)
• M2: 317,596 km (0.085 R)
• M3: 581,786 km (0.113 R)
• M4: 806,632 km (0.119 R)
• M5: 1,394,402 km (0.109 R)
• M6: 4,825,579 km (0.047 R)
• M7: 5,687,412 km (0.075 R)
• M8: 7,097,372 km (0.06 R)
• M9: 7,567,109 km (0.058 R)
• M10: 8,057,341 km (0.073 R)
• M11: 9,155,539 km (0.077 R)
• M12: 11,077,573 km (0.079 R)
• M13: 11,453,811 km (0.12 R)
• M14: 11,773,951 km (0.065 R)
• M15: 15,156,957 km (0.067 R)
• M16: 16,014,602 km (0.068 R)
• M17: 17,069,267 km (0.047 R)
• M18: 22,343,340 km (0.115 R)
• M19: 22,742,616 km (0.11 R)
• M20: 24,704,742 km (0.104 R)
• M21: 24,917,620 km (0.065 R)
• M22: 25,890,754 km (0.118 R)
• M23: 31,263,561 km (0.114 R)
• M24: 39,038,312 km (0.105 R)
• M25: 42,295,507 km (0.117 R)
• M26: 44,146,332 km (0.104 R)
• M27: 46,697,125 km (0.043 R)
• M28: 49,682,350 km (0.103 R)
• M29: 50,876,889 km (0.062 R)
• M30: 54,755,513 km (0.064 R)
• M31: 55,663,722 km (0.103 R)
• M32: 58,071,949 km (0.102 R)
• M33: 61,324,805 km (0.116 R)
• M34: 63,493,226 km (0.061 R)
• M35: 72,242,457 km (0.056 R)
• M36: 72,896,499 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.4

Radius: 5.5

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.73 AU - 11.89 AU

Year: 20490 Days

Day: 20.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,684,272 km

• M1: 68,516 km (0.103 R)
• M2: 245,041 km (0.092 R)
• M3: 1,053,917 km (0.049 R)
• M4: 1,528,142 km (0.119 R)
• M5: 2,154,359 km (0.089 R)
• M6: 4,049,166 km (0.1 R)
• M7: 4,398,327 km (0.06 R)
• M8: 6,410,718 km (0.11 R)
• M9: 6,973,804 km (0.115 R)
• M10: 7,153,471 km (0.041 R)
• M11: 8,198,113 km (0.08 R)
• M12: 9,614,356 km (0.116 R)
• M13: 13,057,052 km (0.094 R)
• M14: 22,826,989 km (0.11 R)
• M15: 30,575,561 km (0.115 R)
• M16: 32,786,019 km (0.111 R)
• M17: 34,838,352 km (0.058 R)
• M18: 42,995,026 km (0.113 R)
• M19: 43,905,030 km (0.065 R)
• M20: 45,920,862 km (0.07 R)
• M21: 46,553,361 km (0.08 R)
• M22: 50,806,429 km (0.094 R)
• M23: 56,930,816 km (0.104 R)
• M24: 60,075,363 km (0.09 R)
• M25: 63,724,803 km (0.09 R)
• M26: 65,903,696 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.1

Radius: 5.9

Gravity: 20.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.32 AU - 12.68 AU

Year: 22689 Days

Day: 20.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,684,272 km

• M1: 73,303 km (0.082 R)
• M2: 366,964 km (0.112 R)
• M3: 762,500 km (0.097 R)
• M4: 1,038,508 km (0.041 R)
• M5: 1,273,078 km (0.1 R)
• M6: 1,526,048 km (0.11 R)
• M7: 1,831,228 km (0.026 R)
• M8: 2,049,940 km (0.111 R)
• M9: 2,445,626 km (0.116 R)
• M10: 2,943,637 km (0.112 R)
• M11: 3,536,643 km (0.057 R)
• M12: 4,006,979 km (0.116 R)
• M13: 4,206,393 km (0.075 R)
• M14: 6,955,553 km (0.086 R)
• M15: 8,371,946 km (0.112 R)
• M16: 8,977,667 km (0.06 R)
• M17: 10,777,629 km (0.102 R)
• M18: 13,459,769 km (0.106 R)
• M19: 15,885,798 km (0.046 R)
• M20: 16,471,324 km (0.114 R)
• M21: 17,071,211 km (0.04 R)
• M22: 18,496,879 km (0.092 R)
• M23: 20,290,857 km (0.072 R)
• M24: 21,583,083 km (0.059 R)
• M25: 22,929,165 km (0.108 R)
• M26: 24,995,859 km (0.034 R)
• M27: 28,384,700 km (0.091 R)
• M28: 29,122,217 km (0.113 R)
• M29: 32,332,887 km (0.068 R)
• M30: 37,800,091 km (0.108 R)
• M31: 39,903,886 km (0.1 R)
• M32: 40,673,866 km (0.096 R)
• M33: 41,926,150 km (0.08 R)
• M34: 44,015,733 km (0.076 R)
• M35: 49,453,167 km (0.037 R)
• M36: 49,807,115 km (0.102 R)
• M37: 50,879,133 km (0.083 R)
• M38: 58,028,565 km (0.094 R)
• M39: 61,432,964 km (0.1 R)
• M40: 78,767,318 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit