🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.5

Radius: 12.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 5.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,577,400 km

• M1: 151,692 km (0.07 R)
• M2: 543,938 km (0.118 R)
• M3: 1,367,175 km (0.086 R)
• M4: 2,045,601 km (0.027 R)
• M5: 2,704,879 km (0.053 R)
• M6: 3,578,680 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 14.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 10 Hours

Environment

Temp: -139 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,577,400 km

• M1: 177,872 km (0.1 R)
• M2: 783,594 km (0.109 R)
• M3: 1,480,720 km (0.066 R)
• M4: 2,253,991 km (0.112 R)
• M5: 3,075,732 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 9.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.95 AU - 1.53 AU

Year: 953 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,577,400 km

• M1: 114,442 km (0.053 R)
• M2: 406,457 km (0.101 R)
• M3: 713,283 km (0.054 R)
• M4: 1,004,251 km (0.041 R)
• M5: 1,478,476 km (0.068 R)
• M6: 1,912,160 km (0.054 R)
• M7: 2,471,506 km (0.116 R)
• M8: 2,902,647 km (0.03 R)
• M9: 3,491,016 km (0.114 R)
• M10: 4,203,102 km (0.118 R)
• M11: 5,026,189 km (0.109 R)
• M12: 5,625,927 km (0.106 R)
• M13: 6,688,072 km (0.103 R)
• M14: 7,144,046 km (0.066 R)
• M15: 8,288,769 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 12.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.19 AU - 1.47 AU

Year: 1059 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,577,400 km

• M1: 157,975 km (0.116 R)
• M2: 700,567 km (0.117 R)
• M3: 1,142,629 km (0.069 R)
• M4: 1,589,627 km (0.065 R)
• M5: 2,197,892 km (0.058 R)
• M6: 2,813,338 km (0.092 R)
• M7: 3,348,449 km (0.094 R)
• M8: 5,057,754 km (0.118 R)
• M9: 5,558,608 km (0.032 R)
• M10: 5,983,167 km (0.101 R)
• M11: 7,540,780 km (0.096 R)
• M12: 8,748,184 km (0.103 R)
• M13: 9,622,135 km (0.063 R)
• M14: 10,942,336 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.8

Radius: 13.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.77 AU - 2.83 AU

Year: 2408 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,577,400 km

• M1: 169,195 km (0.115 R)
• M2: 642,523 km (0.066 R)
• M3: 1,158,037 km (0.096 R)
• M4: 1,783,207 km (0.053 R)
• M5: 2,456,846 km (0.088 R)
• M6: 2,932,866 km (0.066 R)
• M7: 3,726,633 km (0.042 R)
• M8: 4,904,117 km (0.046 R)
• M9: 5,347,675 km (0.059 R)
• M10: 6,370,476 km (0.115 R)
• M11: 7,429,030 km (0.108 R)
• M12: 11,272,349 km (0.115 R)
• M13: 13,848,424 km (0.068 R)
• M14: 14,313,225 km (0.081 R)
• M15: 16,124,107 km (0.094 R)
• M16: 18,415,348 km (0.075 R)
• M17: 19,148,827 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 8.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.76 AU - 5.28 AU

Year: 6633 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,577,400 km

• M1: 109,506 km (0.113 R)
• M2: 419,024 km (0.098 R)
• M3: 819,348 km (0.111 R)
• M4: 1,838,707 km (0.113 R)
• M5: 2,163,784 km (0.086 R)
• M6: 2,571,737 km (0.118 R)
• M7: 3,323,915 km (0.092 R)
• M8: 3,712,870 km (0.105 R)
• M9: 4,971,137 km (0.104 R)
• M10: 6,106,435 km (0.084 R)
• M11: 7,222,884 km (0.098 R)
• M12: 8,170,288 km (0.112 R)
• M13: 9,743,309 km (0.098 R)
• M14: 10,898,205 km (0.101 R)
• M15: 11,633,478 km (0.072 R)
• M16: 12,401,514 km (0.11 R)
• M17: 13,157,582 km (0.111 R)
• M18: 13,849,771 km (0.073 R)
• M19: 14,517,725 km (0.075 R)
• M20: 16,176,616 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 9.2

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.66 AU - 6.2 AU

Year: 8734 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,577,400 km

• M1: 114,592 km (0.108 R)
• M2: 413,638 km (0.117 R)
• M3: 789,278 km (0.083 R)
• M4: 1,209,200 km (0.105 R)
• M5: 1,966,165 km (0.104 R)
• M6: 4,077,440 km (0.115 R)
• M7: 4,416,129 km (0.117 R)
• M8: 4,896,937 km (0.119 R)
• M9: 5,247,594 km (0.117 R)
• M10: 13,152,645 km (0.084 R)
• M11: 14,600,004 km (0.106 R)
• M12: 15,531,401 km (0.045 R)
• M13: 20,218,152 km (0.106 R)
• M14: 21,712,934 km (0.096 R)
• M15: 25,108,058 km (0.119 R)
• M16: 27,724,973 km (0.1 R)
• M17: 30,625,526 km (0.08 R)
• M18: 47,336,805 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.5

Radius: 5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.63 AU - 7.07 AU

Year: 12375 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,577,400 km

• M1: 62,831 km (0.119 R)
• M2: 218,413 km (0.066 R)
• M3: 721,361 km (0.11 R)
• M4: 994,227 km (0.109 R)
• M5: 1,892,862 km (0.066 R)
• M6: 2,397,904 km (0.058 R)
• M7: 2,787,308 km (0.077 R)
• M8: 2,969,368 km (0.047 R)
• M9: 3,317,034 km (0.104 R)
• M10: 3,778,393 km (0.031 R)
• M11: 4,233,919 km (0.12 R)
• M12: 4,450,537 km (0.11 R)
• M13: 5,503,855 km (0.112 R)
• M14: 7,553,944 km (0.054 R)
• M15: 8,017,548 km (0.08 R)
• M16: 9,040,947 km (0.113 R)
• M17: 9,728,200 km (0.059 R)
• M18: 10,756,835 km (0.097 R)
• M19: 11,481,637 km (0.113 R)
• M20: 11,808,807 km (0.098 R)
• M21: 14,436,643 km (0.075 R)
• M22: 16,764,985 km (0.049 R)
• M23: 21,934,638 km (0.113 R)
• M24: 22,729,452 km (0.075 R)
• M25: 23,919,652 km (0.116 R)
• M26: 25,150,843 km (0.078 R)
• M27: 28,158,358 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.8

Radius: 7.7

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.24 AU - 8.18 AU

Year: 13363 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,577,400 km

• M1: 95,743 km (0.077 R)
• M2: 359,035 km (0.12 R)
• M3: 633,697 km (0.077 R)
• M4: 2,022,114 km (0.085 R)
• M5: 2,531,346 km (0.109 R)
• M6: 2,938,850 km (0.075 R)
• M7: 3,515,400 km (0.057 R)
• M8: 4,641,124 km (0.101 R)
• M9: 5,354,257 km (0.112 R)
• M10: 6,480,131 km (0.099 R)
• M11: 8,111,197 km (0.117 R)
• M12: 9,094,653 km (0.065 R)
• M13: 10,797,077 km (0.09 R)
• M14: 12,280,340 km (0.095 R)
• M15: 13,257,962 km (0.056 R)
• M16: 16,069,803 km (0.112 R)
• M17: 17,614,700 km (0.096 R)
• M18: 21,426,305 km (0.113 R)
• M19: 26,246,348 km (0.099 R)
• M20: 29,332,103 km (0.084 R)
• M21: 29,653,290 km (0.11 R)
• M22: 35,238,975 km (0.075 R)
• M23: 38,854,606 km (0.102 R)
• M24: 44,377,311 km (0.07 R)
• M25: 49,943,100 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.2

Radius: 3.6

Gravity: 40.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.82 AU - 9.54 AU

Year: 16149 Days

Day: 18 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,577,400 km

• M1: 44,730 km (0.091 R)
• M2: 460,013 km (0.053 R)
• M3: 871,108 km (0.053 R)
• M4: 1,002,007 km (0.055 R)
• M5: 1,954,795 km (0.047 R)
• M6: 2,320,562 km (0.099 R)
• M7: 2,487,513 km (0.106 R)
• M8: 2,892,624 km (0.082 R)
• M9: 3,499,094 km (0.064 R)
• M10: 3,663,203 km (0.066 R)
• M11: 3,918,866 km (0.107 R)
• M12: 4,371,250 km (0.112 R)
• M13: 5,860,197 km (0.064 R)
• M14: 8,264,834 km (0.114 R)
• M15: 8,704,352 km (0.105 R)
• M16: 8,854,249 km (0.095 R)
• M17: 9,418,532 km (0.07 R)
• M18: 10,449,112 km (0.099 R)
• M19: 11,916,667 km (0.099 R)
• M20: 13,717,078 km (0.111 R)
• M21: 14,471,350 km (0.084 R)
• M22: 14,894,263 km (0.057 R)
• M23: 23,303,908 km (0.093 R)
• M24: 24,276,892 km (0.101 R)
• M25: 25,889,707 km (0.058 R)
• M26: 30,574,962 km (0.115 R)
• M27: 30,690,153 km (0.058 R)
• M28: 31,037,519 km (0.079 R)
• M29: 31,622,297 km (0.076 R)
• M30: 33,665,355 km (0.111 R)
• M31: 36,567,255 km (0.105 R)
• M32: 38,145,363 km (0.109 R)
• M33: 40,319,469 km (0.115 R)
• M34: 45,061,571 km (0.115 R)
• M35: 47,488,946 km (0.033 R)
• M36: 48,577,720 km (0.117 R)
• M37: 48,891,875 km (0.029 R)
• M38: 52,602,202 km (0.071 R)
• M39: 56,150,065 km (0.116 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: 322 - 19,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit