🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 9.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.78 AU - 1.1 AU

Year: 588 Days

Day: 9 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,491,910 km

• M1: 120,576 km (0.092 R)
• M2: 1,022,352 km (0.091 R)
• M3: 1,488,499 km (0.074 R)
• M4: 1,826,440 km (0.093 R)
• M5: 2,324,302 km (0.095 R)
• M6: 2,649,528 km (0.093 R)
• M7: 3,065,859 km (0.088 R)
• M8: 3,730,073 km (0.081 R)
• M9: 4,179,017 km (0.061 R)
• M10: 4,827,822 km (0.101 R)
• M11: 5,150,655 km (0.084 R)
• M12: 5,764,455 km (0.043 R)
• M13: 7,159,604 km (0.117 R)
• M14: 7,512,955 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.5

Radius: 13.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.28 AU - 1.44 AU

Year: 1024 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,491,910 km

• M1: 169,345 km (0.056 R)
• M2: 609,163 km (0.112 R)
• M3: 1,209,349 km (0.104 R)
• M4: 1,679,236 km (0.078 R)
• M5: 2,224,520 km (0.09 R)
• M6: 2,785,064 km (0.085 R)
• M7: 3,803,227 km (0.074 R)
• M8: 4,329,512 km (0.082 R)
• M9: 4,772,471 km (0.077 R)
• M10: 5,957,137 km (0.11 R)
• M11: 6,857,267 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 11.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.47 AU - 1.61 AU

Year: 1234 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,491,910 km

• M1: 144,212 km (0.111 R)
• M2: 807,529 km (0.036 R)
• M3: 1,741,170 km (0.079 R)
• M4: 2,143,289 km (0.119 R)
• M5: 2,558,273 km (0.114 R)
• M6: 3,008,712 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 14.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.82 AU - 2.84 AU

Year: 2296 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,491,910 km

• M1: 182,809 km (0.087 R)
• M2: 835,803 km (0.117 R)
• M3: 1,857,856 km (0.094 R)
• M4: 2,399,999 km (0.087 R)
• M5: 2,906,687 km (0.077 R)
• M6: 3,415,020 km (0.119 R)
• M7: 4,657,281 km (0.109 R)
• M8: 5,194,487 km (0.088 R)
• M9: 6,502,571 km (0.105 R)
• M10: 7,147,188 km (0.071 R)
• M11: 7,620,516 km (0.11 R)
• M12: 9,099,889 km (0.058 R)
• M13: 10,460,332 km (0.078 R)
• M14: 11,426,884 km (0.112 R)
• M15: 12,664,507 km (0.108 R)
• M16: 15,552,195 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 12.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.21 AU - 2.59 AU

Year: 2401 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,491,910 km

• M1: 157,078 km (0.076 R)
• M2: 643,869 km (0.1 R)
• M3: 1,098,946 km (0.067 R)
• M4: 1,504,356 km (0.118 R)
• M5: 2,580,713 km (0.034 R)
• M6: 3,378,668 km (0.076 R)
• M7: 4,316,497 km (0.075 R)
• M8: 4,937,777 km (0.058 R)
• M9: 5,797,516 km (0.076 R)
• M10: 6,384,089 km (0.054 R)
• M11: 9,607,474 km (0.113 R)
• M12: 10,841,806 km (0.064 R)
• M13: 12,635,784 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 14.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.08 AU - 2.8 AU

Year: 2461 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,491,910 km

• M1: 184,305 km (0.107 R)
• M2: 1,120,039 km (0.08 R)
• M3: 1,695,393 km (0.106 R)
• M4: 2,195,648 km (0.085 R)
• M5: 2,890,081 km (0.084 R)
• M6: 4,102,871 km (0.103 R)
• M7: 5,734,834 km (0.103 R)
• M8: 6,513,790 km (0.094 R)
• M9: 7,301,722 km (0.029 R)
• M10: 8,450,485 km (0.094 R)
• M11: 8,928,599 km (0.099 R)
• M12: 10,014,530 km (0.082 R)
• M13: 11,065,455 km (0.056 R)
• M14: 12,017,795 km (0.092 R)
• M15: 12,756,210 km (0.114 R)
• M16: 13,478,768 km (0.079 R)
• M17: 16,592,648 km (0.093 R)
• M18: 17,454,182 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 14.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.22 AU - 4.8 AU

Year: 5185 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,491,910 km

• M1: 176,376 km (0.083 R)
• M2: 623,524 km (0.086 R)
• M3: 1,101,639 km (0.063 R)
• M4: 1,583,643 km (0.047 R)
• M5: 2,045,452 km (0.107 R)
• M6: 3,073,339 km (0.111 R)
• M7: 3,520,487 km (0.098 R)
• M8: 3,964,942 km (0.085 R)
• M9: 6,135,607 km (0.097 R)
• M10: 6,750,604 km (0.099 R)
• M11: 8,142,612 km (0.03 R)
• M12: 8,726,193 km (0.085 R)
• M13: 9,977,729 km (0.112 R)
• M14: 10,876,513 km (0.09 R)
• M15: 11,393,523 km (0.087 R)
• M16: 11,926,840 km (0.075 R)
• M17: 13,898,989 km (0.113 R)
• M18: 14,677,645 km (0.072 R)
• M19: 15,368,189 km (0.051 R)
• M20: 16,261,588 km (0.062 R)
• M21: 18,481,171 km (0.12 R)
• M22: 19,906,091 km (0.092 R)
• M23: 21,403,117 km (0.111 R)
• M24: 21,992,682 km (0.118 R)
• M25: 22,442,074 km (0.09 R)
• M26: 23,050,638 km (0.07 R)
• M27: 23,592,183 km (0.105 R)
• M28: 26,851,471 km (0.079 R)
• M29: 27,365,041 km (0.085 R)
• M30: 28,855,784 km (0.082 R)
• M31: 31,145,529 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 10.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.15 AU - 5.19 AU

Year: 5498 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,491,910 km

• M1: 134,189 km (0.074 R)
• M2: 1,008,589 km (0.085 R)
• M3: 1,548,039 km (0.118 R)
• M4: 1,925,923 km (0.103 R)
• M5: 3,573,744 km (0.115 R)
• M6: 4,459,213 km (0.088 R)
• M7: 6,888,533 km (0.103 R)
• M8: 7,709,526 km (0.1 R)
• M9: 8,367,159 km (0.116 R)
• M10: 9,836,210 km (0.077 R)
• M11: 10,522,116 km (0.103 R)
• M12: 12,085,264 km (0.067 R)
• M13: 12,972,828 km (0.096 R)
• M14: 16,602,072 km (0.115 R)
• M15: 17,144,365 km (0.116 R)
• M16: 22,570,280 km (0.069 R)
• M17: 25,549,970 km (0.106 R)
• M18: 26,680,780 km (0.032 R)
• M19: 28,098,370 km (0.117 R)
• M20: 28,955,266 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 11.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.26 AU - 5.2 AU

Year: 6642 Days

Day: 6.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,491,910 km

• M1: 148,102 km (0.106 R)
• M2: 660,325 km (0.099 R)
• M3: 1,244,505 km (0.061 R)
• M4: 1,757,027 km (0.092 R)
• M5: 2,659,551 km (0.083 R)
• M6: 3,111,037 km (0.1 R)
• M7: 5,273,923 km (0.114 R)
• M8: 6,024,605 km (0.066 R)
• M9: 8,213,521 km (0.041 R)
• M10: 8,666,205 km (0.084 R)
• M11: 9,222,410 km (0.12 R)
• M12: 12,637,729 km (0.087 R)
• M13: 13,075,303 km (0.103 R)
• M14: 26,072,665 km (0.108 R)
• M15: 26,604,037 km (0.117 R)
• M16: 27,414,857 km (0.119 R)
• M17: 27,964,480 km (0.068 R)
• M18: 28,802,527 km (0.091 R)
• M19: 30,042,693 km (0.113 R)
• M20: 31,617,510 km (0.075 R)
• M21: 36,671,824 km (0.086 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 11.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.44 AU - 5.76 AU

Year: 8557 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,491,910 km

• M1: 146,008 km (0.05 R)
• M2: 513,270 km (0.052 R)
• M3: 1,113,008 km (0.119 R)
• M4: 2,522,220 km (0.037 R)
• M5: 4,373,494 km (0.114 R)
• M6: 5,893,857 km (0.106 R)
• M7: 7,036,186 km (0.049 R)
• M8: 8,752,373 km (0.095 R)
• M9: 9,153,894 km (0.116 R)
• M10: 13,283,393 km (0.066 R)
• M11: 16,281,185 km (0.102 R)
• M12: 19,552,143 km (0.119 R)
• M13: 20,085,609 km (0.066 R)
• M14: 21,341,483 km (0.116 R)
• M15: 21,907,112 km (0.074 R)
• M16: 24,797,792 km (0.051 R)
• M17: 25,243,444 km (0.057 R)
• M18: 27,362,199 km (0.106 R)
• M19: 28,126,195 km (0.083 R)
• M20: 29,002,539 km (0.115 R)
• M21: 30,605,480 km (0.107 R)
• M22: 31,015,379 km (0.037 R)
• M23: 33,227,183 km (0.077 R)
• M24: 39,153,503 km (0.119 R)
• M25: 39,636,554 km (0.116 R)
• M26: 42,238,360 km (0.101 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: 205 - 12,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit