🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 12.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.78 AU

Year: 368 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,592,660 km

• M1: 150,944 km (0.117 R)
• M2: 680,521 km (0.036 R)
• M3: 1,256,772 km (0.114 R)
• M4: 2,069,088 km (0.052 R)
• M5: 2,552,439 km (0.098 R)
• M6: 3,205,134 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 11.2

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.63 AU - 0.89 AU

Year: 466 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,592,660 km

• M1: 139,276 km (0.079 R)
• M2: 543,040 km (0.116 R)
• M3: 1,118,543 km (0.074 R)
• M4: 1,686,866 km (0.117 R)
• M5: 2,158,248 km (0.118 R)
• M6: 2,550,793 km (0.09 R)
• M7: 3,794,101 km (0.112 R)
• M8: 4,400,571 km (0.087 R)
• M9: 5,559,954 km (0.04 R)
• M10: 6,752,399 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 12.3

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.72 AU - 0.98 AU

Year: 551 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,592,660 km

• M1: 153,338 km (0.119 R)
• M2: 697,575 km (0.119 R)
• M3: 2,227,363 km (0.034 R)
• M4: 3,224,133 km (0.107 R)
• M5: 3,829,705 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 9.6

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.3 AU - 1.52 AU

Year: 1177 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,592,660 km

• M1: 119,379 km (0.116 R)
• M2: 514,018 km (0.083 R)
• M3: 974,032 km (0.109 R)
• M4: 1,689,110 km (0.113 R)
• M5: 2,839,816 km (0.107 R)
• M6: 3,381,510 km (0.12 R)
• M7: 4,007,727 km (0.06 R)
• M8: 4,785,636 km (0.113 R)
• M9: 5,160,079 km (0.108 R)
• M10: 5,813,074 km (0.097 R)
• M11: 6,355,666 km (0.045 R)
• M12: 6,663,538 km (0.111 R)
• M13: 7,106,198 km (0.105 R)
• M14: 7,490,066 km (0.095 R)
• M15: 8,077,986 km (0.037 R)
• M16: 9,559,454 km (0.11 R)
• M17: 10,511,345 km (0.099 R)
• M18: 12,091,697 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 8.8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.94 AU - 2.06 AU

Year: 1988 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,592,660 km

• M1: 109,506 km (0.09 R)
• M2: 385,514 km (0.08 R)
• M3: 795,561 km (0.078 R)
• M4: 1,149,660 km (0.115 R)
• M5: 1,478,625 km (0.035 R)
• M6: 2,879,460 km (0.091 R)
• M7: 3,747,875 km (0.12 R)
• M8: 5,397,042 km (0.091 R)
• M9: 6,556,875 km (0.052 R)
• M10: 6,916,807 km (0.066 R)
• M11: 7,536,890 km (0.109 R)
• M12: 9,361,536 km (0.067 R)
• M13: 9,785,496 km (0.027 R)
• M14: 10,324,796 km (0.078 R)
• M15: 13,201,563 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 9.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.13 AU - 3.43 AU

Year: 3258 Days

Day: 5.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,592,660 km

• M1: 120,576 km (0.113 R)
• M2: 428,000 km (0.089 R)
• M3: 768,484 km (0.06 R)
• M4: 1,347,278 km (0.084 R)
• M5: 1,669,363 km (0.084 R)
• M6: 2,043,507 km (0.043 R)
• M7: 3,099,369 km (0.077 R)
• M8: 4,250,973 km (0.098 R)
• M9: 5,620,542 km (0.117 R)
• M10: 7,153,920 km (0.12 R)
• M11: 7,598,674 km (0.11 R)
• M12: 8,390,795 km (0.06 R)
• M13: 12,831,458 km (0.098 R)
• M14: 15,094,724 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 9.7

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.21 AU - 5.63 AU

Year: 8870 Days

Day: 9.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,592,660 km

• M1: 120,725 km (0.104 R)
• M2: 476,020 km (0.113 R)
• M3: 799,900 km (0.105 R)
• M4: 1,128,417 km (0.07 R)
• M5: 1,507,498 km (0.102 R)
• M6: 1,938,938 km (0.094 R)
• M7: 2,608,089 km (0.063 R)
• M8: 5,521,657 km (0.094 R)
• M9: 8,674,433 km (0.069 R)
• M10: 9,280,753 km (0.094 R)
• M11: 10,065,543 km (0.077 R)
• M12: 12,685,899 km (0.102 R)
• M13: 17,421,719 km (0.078 R)
• M14: 18,011,434 km (0.119 R)
• M15: 18,538,318 km (0.054 R)
• M16: 18,920,989 km (0.116 R)
• M17: 20,585,864 km (0.092 R)
• M18: 21,833,510 km (0.082 R)
• M19: 24,114,130 km (0.115 R)
• M20: 27,627,136 km (0.04 R)
• M21: 31,143,434 km (0.035 R)
• M22: 31,684,530 km (0.075 R)
• M23: 36,599,867 km (0.119 R)
• M24: 39,932,758 km (0.085 R)
• M25: 41,869,302 km (0.07 R)
• M26: 44,410,970 km (0.11 R)
• M27: 46,770,877 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.3

Radius: 5

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.66 AU - 6.82 AU

Year: 9667 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,592,660 km

• M1: 62,233 km (0.08 R)
• M2: 454,778 km (0.058 R)
• M3: 630,854 km (0.094 R)
• M4: 1,042,697 km (0.1 R)
• M5: 1,237,623 km (0.104 R)
• M6: 1,895,106 km (0.073 R)
• M7: 2,800,921 km (0.109 R)
• M8: 4,334,000 km (0.106 R)
• M9: 5,232,036 km (0.092 R)
• M10: 7,664,946 km (0.113 R)
• M11: 8,195,121 km (0.081 R)
• M12: 8,533,362 km (0.097 R)
• M13: 8,969,140 km (0.041 R)
• M14: 10,861,853 km (0.108 R)
• M15: 12,389,995 km (0.088 R)
• M16: 14,055,917 km (0.07 R)
• M17: 14,663,434 km (0.098 R)
• M18: 15,930,528 km (0.107 R)
• M19: 16,792,211 km (0.107 R)
• M20: 17,476,023 km (0.116 R)
• M21: 20,705,841 km (0.117 R)
• M22: 25,811,168 km (0.061 R)
• M23: 27,935,308 km (0.042 R)
• M24: 28,991,170 km (0.115 R)
• M25: 29,974,028 km (0.106 R)
• M26: 30,273,074 km (0.048 R)
• M27: 32,527,813 km (0.064 R)
• M28: 34,672,448 km (0.074 R)
• M29: 36,795,391 km (0.118 R)
• M30: 37,253,161 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 6.2

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.66 AU - 6.76 AU

Year: 10878 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 30,592,660 km

• M1: 77,043 km (0.114 R)
• M2: 886,667 km (0.114 R)
• M3: 1,151,305 km (0.097 R)
• M4: 1,521,710 km (0.037 R)
• M5: 2,001,620 km (0.093 R)
• M6: 2,519,079 km (0.109 R)
• M7: 3,280,831 km (0.112 R)
• M8: 3,816,541 km (0.117 R)
• M9: 6,553,584 km (0.115 R)
• M10: 7,934,372 km (0.119 R)
• M11: 11,364,501 km (0.052 R)
• M12: 12,697,718 km (0.058 R)
• M13: 13,581,991 km (0.063 R)
• M14: 14,193,996 km (0.045 R)
• M15: 15,210,962 km (0.084 R)
• M16: 15,670,826 km (0.097 R)
• M17: 17,318,198 km (0.113 R)
• M18: 19,922,696 km (0.098 R)
• M19: 23,292,239 km (0.083 R)
• M20: 24,346,006 km (0.088 R)
• M21: 25,892,699 km (0.086 R)
• M22: 26,265,945 km (0.091 R)
• M23: 27,600,508 km (0.051 R)
• M24: 27,892,373 km (0.119 R)
• M25: 28,779,938 km (0.105 R)
• M26: 33,172,580 km (0.115 R)
• M27: 34,505,198 km (0.095 R)
• M28: 37,633,140 km (0.083 R)
• M29: 38,112,002 km (0.119 R)
• M30: 39,081,995 km (0.085 R)
• M31: 42,477,418 km (0.101 R)
• M32: 42,736,521 km (0.098 R)
• M33: 43,257,870 km (0.044 R)
• M34: 44,313,133 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.7

Radius: 4.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.75 AU - 12.13 AU

Year: 22029 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,592,660 km

• M1: 62,682 km (0.111 R)
• M2: 281,394 km (0.113 R)
• M3: 728,691 km (0.1 R)
• M4: 1,436,140 km (0.104 R)
• M5: 3,739,498 km (0.099 R)
• M6: 4,085,069 km (0.088 R)
• M7: 4,813,311 km (0.088 R)
• M8: 6,989,063 km (0.101 R)
• M9: 7,548,858 km (0.108 R)
• M10: 7,839,826 km (0.099 R)
• M11: 11,126,042 km (0.119 R)
• M12: 12,786,130 km (0.101 R)
• M13: 13,621,634 km (0.05 R)
• M14: 15,342,907 km (0.102 R)
• M15: 19,752,155 km (0.071 R)
• M16: 23,835,130 km (0.098 R)
• M17: 27,073,175 km (0.117 R)
• M18: 28,796,992 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 15,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit