🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 8.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.53 AU - 0.61 AU

Year: 302 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,494,453 km

• M1: 105,766 km (0.114 R)
• M2: 404,213 km (0.087 R)
• M3: 796,160 km (0.111 R)
• M4: 1,086,679 km (0.119 R)
• M5: 1,489,546 km (0.058 R)
• M6: 1,772,884 km (0.114 R)
• M7: 2,407,030 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 11.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.46 AU - 0.74 AU

Year: 327 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,494,453 km

• M1: 138,079 km (0.082 R)
• M2: 631,004 km (0.075 R)
• M3: 1,401,882 km (0.1 R)
• M4: 1,901,987 km (0.096 R)
• M5: 2,310,539 km (0.073 R)
• M6: 2,870,933 km (0.104 R)
• M7: 4,142,215 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 14.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.87 AU

Year: 522 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,494,453 km

• M1: 184,155 km (0.084 R)
• M2: 658,081 km (0.116 R)
• M3: 1,133,054 km (0.07 R)
• M4: 1,679,386 km (0.111 R)
• M5: 2,186,822 km (0.094 R)
• M6: 3,225,779 km (0.112 R)
• M7: 3,755,206 km (0.04 R)
• M8: 4,317,395 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 14.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.92 AU - 2 AU

Year: 1929 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,494,453 km

• M1: 175,329 km (0.104 R)
• M2: 1,023,848 km (0.098 R)
• M3: 1,481,468 km (0.092 R)
• M4: 2,229,756 km (0.075 R)
• M5: 2,699,194 km (0.077 R)
• M6: 3,266,320 km (0.106 R)
• M7: 4,276,255 km (0.113 R)
• M8: 4,906,062 km (0.082 R)
• M9: 7,175,611 km (0.08 R)
• M10: 7,753,358 km (0.11 R)
• M11: 8,571,958 km (0.11 R)
• M12: 9,033,767 km (0.077 R)
• M13: 10,381,793 km (0.03 R)
• M14: 10,836,122 km (0.052 R)
• M15: 12,395,680 km (0.062 R)
• M16: 13,681,024 km (0.053 R)
• M17: 14,702,030 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 14.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.22 AU - 2.62 AU

Year: 2646 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,494,453 km

• M1: 183,257 km (0.04 R)
• M2: 1,106,725 km (0.112 R)
• M3: 1,597,705 km (0.086 R)
• M4: 2,212,702 km (0.081 R)
• M5: 3,451,223 km (0.081 R)
• M6: 4,004,735 km (0.117 R)
• M7: 5,156,938 km (0.101 R)
• M8: 5,618,597 km (0.088 R)
• M9: 6,337,564 km (0.071 R)
• M10: 7,632,783 km (0.079 R)
• M11: 8,579,587 km (0.104 R)
• M12: 9,985,658 km (0.076 R)
• M13: 10,596,616 km (0.117 R)
• M14: 11,309,001 km (0.03 R)
• M15: 12,053,100 km (0.114 R)
• M16: 14,437,840 km (0.102 R)
• M17: 15,982,139 km (0.057 R)
• M18: 16,570,358 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 9.3

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.02 AU - 3.26 AU

Year: 3911 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,494,453 km

• M1: 115,639 km (0.117 R)
• M2: 455,825 km (0.111 R)
• M3: 873,053 km (0.103 R)
• M4: 1,171,501 km (0.104 R)
• M5: 1,856,210 km (0.109 R)
• M6: 2,803,614 km (0.106 R)
• M7: 3,669,037 km (0.036 R)
• M8: 4,847,569 km (0.094 R)
• M9: 6,319,912 km (0.041 R)
• M10: 6,768,556 km (0.119 R)
• M11: 7,497,845 km (0.101 R)
• M12: 9,112,156 km (0.082 R)
• M13: 9,453,389 km (0.11 R)
• M14: 9,763,655 km (0.093 R)
• M15: 10,486,960 km (0.043 R)
• M16: 10,988,712 km (0.082 R)
• M17: 12,040,235 km (0.066 R)
• M18: 13,061,839 km (0.059 R)
• M19: 13,496,122 km (0.11 R)
• M20: 13,790,829 km (0.12 R)
• M21: 14,546,598 km (0.117 R)
• M22: 15,013,194 km (0.109 R)
• M23: 16,140,862 km (0.077 R)
• M24: 19,298,574 km (0.087 R)
• M25: 22,294,870 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 10.9

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.59 AU - 5.27 AU

Year: 7694 Days

Day: 7.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,494,453 km

• M1: 135,536 km (0.076 R)
• M2: 885,470 km (0.056 R)
• M3: 1,508,994 km (0.057 R)
• M4: 2,166,776 km (0.055 R)
• M5: 3,220,393 km (0.118 R)
• M6: 3,583,767 km (0.11 R)
• M7: 4,128,602 km (0.087 R)
• M8: 4,728,041 km (0.066 R)
• M9: 5,702,521 km (0.083 R)
• M10: 6,446,920 km (0.1 R)
• M11: 6,916,508 km (0.095 R)
• M12: 8,046,720 km (0.059 R)
• M13: 8,548,770 km (0.095 R)
• M14: 8,939,071 km (0.085 R)
• M15: 9,849,075 km (0.114 R)
• M16: 12,229,776 km (0.075 R)
• M17: 13,235,672 km (0.066 R)
• M18: 15,284,714 km (0.092 R)
• M19: 16,451,278 km (0.097 R)
• M20: 21,160,020 km (0.119 R)
• M21: 22,938,141 km (0.058 R)
• M22: 23,524,265 km (0.041 R)
• M23: 23,863,553 km (0.099 R)
• M24: 24,639,218 km (0.096 R)
• M25: 26,149,857 km (0.096 R)
• M26: 26,697,535 km (0.061 R)
• M27: 27,533,339 km (0.088 R)
• M28: 28,386,495 km (0.037 R)
• M29: 34,312,815 km (0.113 R)
• M30: 36,307,553 km (0.083 R)
• M31: 40,042,712 km (0.07 R)
• M32: 40,405,487 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 14.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.26 AU - 5.9 AU

Year: 8048 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,494,453 km

• M1: 190,139 km (0.1 R)
• M2: 695,929 km (0.068 R)
• M3: 1,168,060 km (0.089 R)
• M4: 2,095,866 km (0.076 R)
• M5: 3,763,583 km (0.108 R)
• M6: 4,780,101 km (0.11 R)
• M7: 5,910,313 km (0.105 R)
• M8: 7,105,600 km (0.046 R)
• M9: 8,065,120 km (0.115 R)
• M10: 8,697,471 km (0.047 R)
• M11: 10,424,428 km (0.028 R)
• M12: 12,734,519 km (0.079 R)
• M13: 13,814,466 km (0.09 R)
• M14: 14,663,882 km (0.091 R)
• M15: 15,190,018 km (0.096 R)
• M16: 19,373,373 km (0.118 R)
• M17: 20,947,891 km (0.11 R)
• M18: 21,842,037 km (0.1 R)
• M19: 23,230,605 km (0.111 R)
• M20: 29,470,781 km (0.114 R)
• M21: 31,069,683 km (0.112 R)
• M22: 33,023,880 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.5

Radius: 5.5

Gravity: 32.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.41 AU - 10.68 AU

Year: 17543 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,494,453 km

• M1: 68,516 km (0.095 R)
• M2: 265,686 km (0.062 R)
• M3: 606,320 km (0.078 R)
• M4: 1,478,925 km (0.067 R)
• M5: 1,753,437 km (0.079 R)
• M6: 1,981,125 km (0.045 R)
• M7: 3,070,048 km (0.084 R)
• M8: 3,945,045 km (0.118 R)
• M9: 4,337,889 km (0.081 R)
• M10: 4,865,222 km (0.119 R)
• M11: 5,087,674 km (0.097 R)
• M12: 7,358,869 km (0.043 R)
• M13: 8,107,307 km (0.096 R)
• M14: 9,522,952 km (0.041 R)
• M15: 9,696,186 km (0.061 R)
• M16: 12,213,021 km (0.108 R)
• M17: 13,841,244 km (0.098 R)
• M18: 15,055,829 km (0.084 R)
• M19: 15,529,157 km (0.106 R)
• M20: 17,695,035 km (0.106 R)
• M21: 18,133,506 km (0.091 R)
• M22: 20,917,821 km (0.064 R)
• M23: 22,309,530 km (0.118 R)
• M24: 23,656,061 km (0.082 R)
• M25: 29,954,879 km (0.101 R)
• M26: 30,327,378 km (0.09 R)
• M27: 32,236,546 km (0.102 R)
• M28: 34,631,608 km (0.051 R)
• M29: 41,439,209 km (0.106 R)
• M30: 42,994,428 km (0.111 R)
• M31: 44,105,791 km (0.036 R)
• M32: 46,551,865 km (0.062 R)
• M33: 48,743,624 km (0.081 R)
• M34: 49,777,943 km (0.046 R)
• M35: 55,542,847 km (0.112 R)
• M36: 58,392,088 km (0.079 R)
• M37: 64,586,188 km (0.104 R)
• M38: 64,792,932 km (0.095 R)
• M39: 76,627,171 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 17,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit