🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.9

Radius: 9.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,423,084 km

• M1: 123,568 km (0.113 R)
• M2: 490,232 km (0.101 R)
• M3: 868,715 km (0.079 R)
• M4: 1,219,671 km (0.113 R)
• M5: 1,699,133 km (0.118 R)
• M6: 2,932,567 km (0.063 R)
• M7: 3,263,328 km (0.118 R)
• M8: 3,976,910 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 14.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.07 AU - 1.59 AU

Year: 1023 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,423,084 km

• M1: 176,675 km (0.116 R)
• M2: 882,627 km (0.119 R)
• M3: 1,373,757 km (0.074 R)
• M4: 2,113,818 km (0.082 R)
• M5: 3,234,007 km (0.039 R)
• M6: 3,800,384 km (0.106 R)
• M7: 4,345,669 km (0.098 R)
• M8: 4,886,465 km (0.118 R)
• M9: 5,574,166 km (0.113 R)
• M10: 6,214,445 km (0.078 R)
• M11: 7,242,033 km (0.118 R)
• M12: 8,326,019 km (0.095 R)
• M13: 10,622,646 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 10.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.53 AU - 2.05 AU

Year: 1597 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,423,084 km

• M1: 148,102 km (0.051 R)
• M2: 786,137 km (0.072 R)
• M3: 1,247,197 km (0.112 R)
• M4: 1,653,954 km (0.057 R)
• M5: 2,334,774 km (0.113 R)
• M6: 3,306,412 km (0.105 R)
• M7: 5,898,644 km (0.113 R)
• M8: 6,381,845 km (0.106 R)
• M9: 7,528,064 km (0.099 R)
• M10: 8,284,132 km (0.114 R)
• M11: 8,890,901 km (0.117 R)
• M12: 10,193,150 km (0.092 R)

Asteroid Belt

Center: 3.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593

Radius: 8.9

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.4 AU - 6.64 AU

Year: 8648 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,423,084 km

• M1: 124,316 km (0.092 R)
• M2: 441,613 km (0.116 R)
• M3: 1,038,209 km (0.045 R)
• M4: 1,415,645 km (0.114 R)
• M5: 5,726,906 km (0.113 R)
• M6: 6,408,324 km (0.082 R)
• M7: 7,142,700 km (0.104 R)
• M8: 8,647,954 km (0.11 R)
• M9: 13,000,354 km (0.052 R)
• M10: 13,637,940 km (0.086 R)
• M11: 20,501,491 km (0.112 R)
• M12: 24,015,694 km (0.079 R)
• M13: 25,063,627 km (0.098 R)
• M14: 31,482,273 km (0.094 R)
• M15: 35,345,938 km (0.117 R)
• M16: 37,160,261 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.9

Radius: 6.7

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.02 AU - 10.54 AU

Year: 17349 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,423,084 km

• M1: 85,570 km (0.093 R)
• M2: 343,327 km (0.108 R)
• M3: 826,827 km (0.058 R)
• M4: 1,036,564 km (0.057 R)
• M5: 1,457,532 km (0.07 R)
• M6: 2,224,371 km (0.068 R)
• M7: 2,661,496 km (0.115 R)
• M8: 3,340,820 km (0.031 R)
• M9: 3,794,849 km (0.058 R)
• M10: 5,256,121 km (0.116 R)
• M11: 7,194,311 km (0.049 R)
• M12: 7,853,290 km (0.089 R)
• M13: 8,098,032 km (0.107 R)
• M14: 8,863,375 km (0.109 R)
• M15: 10,774,936 km (0.097 R)
• M16: 14,716,541 km (0.079 R)
• M17: 16,804,030 km (0.079 R)
• M18: 19,883,801 km (0.107 R)
• M19: 24,134,475 km (0.076 R)
• M20: 26,580,250 km (0.064 R)
• M21: 26,800,459 km (0.064 R)
• M22: 27,133,015 km (0.08 R)
• M23: 28,606,105 km (0.102 R)
• M24: 28,953,471 km (0.105 R)
• M25: 33,216,562 km (0.048 R)
• M26: 38,298,850 km (0.112 R)
• M27: 41,465,987 km (0.066 R)
• M28: 48,643,692 km (0.095 R)
• M29: 49,470,520 km (0.108 R)
• M30: 56,606,787 km (0.118 R)
• M31: 64,399,340 km (0.106 R)
• M32: 66,808,464 km (0.081 R)
• M33: 69,694,207 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.5

Radius: 3.9

Gravity: 21.93 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.7 AU - 10.92 AU

Year: 18943 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,423,084 km

• M1: 48,470 km (0.083 R)
• M2: 190,438 km (0.066 R)
• M3: 723,156 km (0.074 R)
• M4: 1,158,785 km (0.082 R)
• M5: 1,817,315 km (0.098 R)
• M6: 2,140,297 km (0.083 R)
• M7: 2,607,341 km (0.089 R)
• M8: 3,289,208 km (0.103 R)
• M9: 6,427,622 km (0.104 R)
• M10: 8,587,516 km (0.043 R)
• M11: 8,980,809 km (0.115 R)
• M12: 9,131,304 km (0.058 R)
• M13: 11,244,823 km (0.072 R)
• M14: 14,131,015 km (0.105 R)
• M15: 14,471,649 km (0.094 R)
• M16: 15,383,149 km (0.061 R)
• M17: 16,406,698 km (0.111 R)
• M18: 18,997,583 km (0.091 R)
• M19: 21,848,470 km (0.104 R)
• M20: 23,233,597 km (0.087 R)
• M21: 25,469,486 km (0.094 R)
• M22: 25,872,503 km (0.056 R)
• M23: 29,360,676 km (0.112 R)
• M24: 32,673,970 km (0.078 R)
• M25: 33,149,691 km (0.074 R)
• M26: 34,974,636 km (0.069 R)
• M27: 39,625,783 km (0.108 R)
• M28: 42,661,722 km (0.051 R)
• M29: 44,818,475 km (0.085 R)
• M30: 47,500,914 km (0.096 R)
• M31: 53,019,580 km (0.114 R)
• M32: 54,504,638 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.2

Radius: 4.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.66 AU - 11.96 AU

Year: 22076 Days

Day: 24.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,423,084 km

• M1: 57,146 km (0.071 R)
• M2: 465,100 km (0.078 R)
• M3: 1,027,289 km (0.08 R)
• M4: 1,446,312 km (0.099 R)
• M5: 1,687,763 km (0.113 R)
• M6: 1,833,322 km (0.118 R)
• M7: 3,620,568 km (0.066 R)
• M8: 4,410,744 km (0.065 R)
• M9: 5,096,949 km (0.098 R)
• M10: 5,528,689 km (0.103 R)
• M11: 6,221,476 km (0.114 R)
• M12: 8,060,184 km (0.097 R)
• M13: 8,904,963 km (0.108 R)
• M14: 12,765,635 km (0.114 R)
• M15: 12,933,035 km (0.083 R)
• M16: 13,909,909 km (0.093 R)
• M17: 14,146,723 km (0.102 R)
• M18: 14,934,804 km (0.09 R)
• M19: 16,931,786 km (0.072 R)
• M20: 18,595,015 km (0.12 R)
• M21: 19,319,069 km (0.098 R)
• M22: 25,008,874 km (0.059 R)
• M23: 26,975,488 km (0.058 R)
• M24: 27,808,898 km (0.085 R)
• M25: 29,235,912 km (0.065 R)
• M26: 31,112,468 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 12,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit