🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 14.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 11.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,707,927 km

• M1: 187,596 km (0.101 R)
• M2: 790,026 km (0.087 R)
• M3: 1,338,452 km (0.082 R)
• M4: 1,915,601 km (0.103 R)
• M5: 2,589,240 km (0.06 R)
• M6: 3,183,143 km (0.069 R)
• M7: 3,776,897 km (0.085 R)
• M8: 4,270,271 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 11

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.58 AU - 1.8 AU

Year: 1465 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,707,927 km

• M1: 137,032 km (0.108 R)
• M2: 708,496 km (0.107 R)
• M3: 1,186,910 km (0.11 R)
• M4: 1,536,969 km (0.065 R)
• M5: 1,887,177 km (0.062 R)
• M6: 3,768,819 km (0.084 R)
• M7: 4,748,236 km (0.119 R)
• M8: 5,977,781 km (0.116 R)
• M9: 6,454,849 km (0.063 R)
• M10: 7,719,998 km (0.099 R)
• M11: 8,453,327 km (0.114 R)
• M12: 8,880,429 km (0.073 R)
• M13: 9,411,950 km (0.079 R)
• M14: 11,202,637 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 12.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.43 AU - 2.77 AU

Year: 2796 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,707,927 km

• M1: 153,487 km (0.097 R)
• M2: 615,595 km (0.057 R)
• M3: 1,099,096 km (0.04 R)
• M4: 2,831,289 km (0.085 R)
• M5: 4,901,724 km (0.053 R)
• M6: 5,471,093 km (0.112 R)
• M7: 7,128,638 km (0.083 R)
• M8: 7,638,766 km (0.117 R)
• M9: 9,862,688 km (0.038 R)
• M10: 12,720,008 km (0.105 R)
• M11: 13,512,577 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 8.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.05 AU - 4.21 AU

Year: 4612 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,707,927 km

• M1: 102,175 km (0.077 R)
• M2: 471,532 km (0.114 R)
• M3: 787,932 km (0.116 R)
• M4: 1,477,129 km (0.057 R)
• M5: 4,131,893 km (0.054 R)
• M6: 4,697,523 km (0.068 R)
• M7: 6,677,600 km (0.106 R)
• M8: 7,739,595 km (0.08 R)
• M9: 8,394,834 km (0.1 R)
• M10: 10,156,199 km (0.027 R)
• M11: 10,861,105 km (0.092 R)
• M12: 11,724,135 km (0.118 R)
• M13: 13,679,678 km (0.093 R)
• M14: 17,332,858 km (0.081 R)
• M15: 20,039,832 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 13.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.05 AU - 6.19 AU

Year: 8885 Days

Day: 6.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,707,927 km

• M1: 171,738 km (0.096 R)
• M2: 732,132 km (0.115 R)
• M3: 1,272,180 km (0.067 R)
• M4: 2,063,553 km (0.096 R)
• M5: 2,800,921 km (0.102 R)
• M6: 3,300,727 km (0.069 R)
• M7: 5,266,892 km (0.106 R)
• M8: 6,838,567 km (0.079 R)
• M9: 7,426,487 km (0.109 R)
• M10: 9,114,549 km (0.108 R)
• M11: 10,123,438 km (0.084 R)
• M12: 10,577,916 km (0.083 R)
• M13: 13,417,433 km (0.112 R)
• M14: 15,372,976 km (0.05 R)
• M15: 15,907,041 km (0.091 R)
• M16: 16,801,337 km (0.07 R)
• M17: 18,465,613 km (0.106 R)
• M18: 19,686,481 km (0.045 R)
• M19: 26,994,487 km (0.05 R)
• M20: 28,766,773 km (0.088 R)
• M21: 32,107,293 km (0.058 R)
• M22: 36,518,037 km (0.083 R)
• M23: 37,111,342 km (0.065 R)
• M24: 39,300,408 km (0.102 R)
• M25: 43,138,042 km (0.11 R)
• M26: 43,801,209 km (0.107 R)
• M27: 44,740,834 km (0.047 R)
• M28: 45,968,733 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.7

Radius: 3.2

Gravity: 74.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.49 AU - 8.31 AU

Year: 14807 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 56,707,927 km

• M1: 39,793 km (0.057 R)
• M2: 224,846 km (0.071 R)
• M3: 330,013 km (0.072 R)
• M4: 448,943 km (0.101 R)
• M5: 580,290 km (0.081 R)
• M6: 718,519 km (0.074 R)
• M7: 889,060 km (0.111 R)
• M8: 1,283,550 km (0.103 R)
• M9: 1,443,021 km (0.079 R)
• M10: 1,964,669 km (0.067 R)
• M11: 2,137,305 km (0.116 R)
• M12: 2,382,944 km (0.068 R)
• M13: 3,286,216 km (0.079 R)
• M14: 3,843,169 km (0.047 R)
• M15: 4,237,360 km (0.095 R)
• M16: 4,395,933 km (0.104 R)
• M17: 4,792,817 km (0.104 R)
• M18: 6,247,357 km (0.108 R)
• M19: 6,494,492 km (0.066 R)
• M20: 7,365,750 km (0.075 R)
• M21: 8,068,112 km (0.054 R)
• M22: 11,755,700 km (0.103 R)
• M23: 12,259,546 km (0.108 R)
• M24: 12,581,630 km (0.093 R)
• M25: 13,719,022 km (0.062 R)
• M26: 14,778,175 km (0.05 R)
• M27: 17,948,603 km (0.119 R)
• M28: 19,299,621 km (0.092 R)
• M29: 20,626,554 km (0.115 R)
• M30: 21,081,930 km (0.06 R)
• M31: 22,012,878 km (0.05 R)
• M32: 25,486,840 km (0.076 R)
• M33: 31,295,875 km (0.09 R)
• M34: 31,776,084 km (0.101 R)
• M35: 34,251,180 km (0.028 R)
• M36: 36,851,640 km (0.084 R)
• M37: 37,656,776 km (0.098 R)
• M38: 40,142,345 km (0.083 R)
• M39: 41,569,359 km (0.094 R)
• M40: 41,858,681 km (0.097 R)
• M41: 43,772,636 km (0.088 R)
• M42: 47,932,654 km (0.116 R)
• M43: 48,730,758 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.2

Radius: 3

Gravity: 30.58 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.43 AU - 12.07 AU

Year: 20302 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,707,927 km

• M1: 37,998 km (0.071 R)
• M2: 182,958 km (0.075 R)
• M3: 592,707 km (0.088 R)
• M4: 801,246 km (0.039 R)
• M5: 1,321,697 km (0.085 R)
• M6: 1,775,128 km (0.068 R)
• M7: 2,615,719 km (0.115 R)
• M8: 3,321,970 km (0.115 R)
• M9: 3,450,924 km (0.085 R)
• M10: 3,691,477 km (0.058 R)
• M11: 6,827,796 km (0.116 R)
• M12: 7,292,447 km (0.074 R)
• M13: 7,778,042 km (0.079 R)
• M14: 8,237,756 km (0.113 R)
• M15: 9,160,626 km (0.039 R)
• M16: 10,312,978 km (0.092 R)
• M17: 10,587,640 km (0.08 R)
• M18: 13,091,160 km (0.076 R)
• M19: 13,348,319 km (0.113 R)
• M20: 13,478,319 km (0.088 R)
• M21: 16,182,151 km (0.091 R)
• M22: 16,553,004 km (0.103 R)
• M23: 17,311,765 km (0.114 R)
• M24: 19,226,468 km (0.083 R)
• M25: 19,726,274 km (0.117 R)
• M26: 21,633,198 km (0.073 R)
• M27: 24,329,850 km (0.089 R)
• M28: 28,297,634 km (0.094 R)
• M29: 28,835,588 km (0.027 R)
• M30: 31,169,464 km (0.064 R)
• M31: 41,764,734 km (0.093 R)
• M32: 42,602,033 km (0.109 R)
• M33: 44,454,503 km (0.029 R)
• M34: 45,620,768 km (0.097 R)
• M35: 46,508,632 km (0.085 R)
• M36: 47,408,164 km (0.058 R)
• M37: 48,319,065 km (0.094 R)
• M38: 50,805,232 km (0.096 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: 475 - 14,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit