🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 10.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.84 AU

Year: 406 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 93,101,291 km

• M1: 125,662 km (0.113 R)
• M2: 684,859 km (0.12 R)
• M3: 1,066,034 km (0.094 R)
• M4: 2,480,034 km (0.092 R)
• M5: 3,005,272 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 9.6

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.81 AU - 1.03 AU

Year: 599 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,101,291 km

• M1: 119,379 km (0.099 R)
• M2: 555,756 km (0.082 R)
• M3: 889,509 km (0.078 R)
• M4: 1,240,017 km (0.095 R)
• M5: 1,643,333 km (0.098 R)
• M6: 2,181,586 km (0.076 R)
• M7: 2,487,364 km (0.036 R)
• M8: 3,750,419 km (0.047 R)
• M9: 4,162,262 km (0.061 R)
• M10: 5,147,214 km (0.032 R)
• M11: 5,808,586 km (0.119 R)
• M12: 6,199,934 km (0.119 R)
• M13: 7,079,270 km (0.106 R)
• M14: 7,663,899 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 14.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.05 AU - 1.35 AU

Year: 892 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,101,291 km

• M1: 184,604 km (0.11 R)
• M2: 696,827 km (0.109 R)
• M3: 1,205,908 km (0.086 R)
• M4: 1,761,515 km (0.094 R)
• M5: 2,651,473 km (0.055 R)
• M6: 3,194,812 km (0.109 R)
• M7: 4,467,292 km (0.087 R)
• M8: 5,026,040 km (0.089 R)
• M9: 5,516,272 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.46 AU - 1.66 AU

Year: 1322 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,101,291 km

• M1: 111,899 km (0.033 R)
• M2: 401,371 km (0.062 R)
• M3: 1,079,049 km (0.12 R)
• M4: 1,527,993 km (0.111 R)
• M5: 2,087,638 km (0.084 R)
• M6: 2,604,649 km (0.116 R)
• M7: 3,232,810 km (0.107 R)
• M8: 3,523,030 km (0.089 R)
• M9: 3,991,122 km (0.119 R)
• M10: 4,661,170 km (0.098 R)
• M11: 5,384,177 km (0.046 R)
• M12: 5,793,776 km (0.1 R)
• M13: 6,202,029 km (0.095 R)
• M14: 7,493,058 km (0.11 R)
• M15: 8,056,593 km (0.096 R)
• M16: 10,503,117 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 9.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.98 AU - 2.52 AU

Year: 2289 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 126.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,101,291 km

• M1: 123,119 km (0.118 R)
• M2: 457,769 km (0.091 R)
• M3: 768,335 km (0.101 R)
• M4: 1,328,579 km (0.1 R)
• M5: 2,096,614 km (0.093 R)
• M6: 2,437,398 km (0.098 R)
• M7: 2,904,592 km (0.089 R)
• M8: 3,281,280 km (0.094 R)
• M9: 3,762,087 km (0.041 R)
• M10: 4,308,867 km (0.104 R)
• M11: 4,674,485 km (0.117 R)
• M12: 5,514,776 km (0.072 R)
• M13: 6,095,515 km (0.118 R)
• M14: 7,785,223 km (0.06 R)
• M15: 8,706,147 km (0.099 R)
• M16: 9,061,442 km (0.082 R)
• M17: 12,143,308 km (0.111 R)
• M18: 13,637,342 km (0.118 R)
• M19: 15,343,356 km (0.093 R)
• M20: 15,672,621 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 8.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.61 AU - 2.79 AU

Year: 3009 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,101,291 km

• M1: 102,774 km (0.089 R)
• M2: 366,365 km (0.111 R)
• M3: 625,917 km (0.115 R)
• M4: 889,359 km (0.104 R)
• M5: 1,146,368 km (0.101 R)
• M6: 1,850,226 km (0.057 R)
• M7: 2,149,273 km (0.054 R)
• M8: 3,081,567 km (0.12 R)
• M9: 3,365,055 km (0.06 R)
• M10: 4,220,904 km (0.112 R)
• M11: 4,830,665 km (0.108 R)
• M12: 5,841,049 km (0.067 R)
• M13: 6,679,844 km (0.055 R)
• M14: 7,128,339 km (0.104 R)
• M15: 9,890,813 km (0.051 R)
• M16: 10,887,583 km (0.092 R)
• M17: 11,156,560 km (0.068 R)
• M18: 12,071,950 km (0.05 R)
• M19: 13,252,875 km (0.065 R)
• M20: 14,096,757 km (0.055 R)
• M21: 15,309,098 km (0.085 R)
• M22: 17,100,533 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 14.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.59 AU - 3.33 AU

Year: 3454 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,101,291 km

• M1: 175,329 km (0.078 R)
• M2: 791,223 km (0.074 R)
• M3: 1,359,246 km (0.107 R)
• M4: 1,805,796 km (0.098 R)
• M5: 2,410,321 km (0.104 R)
• M6: 3,476,355 km (0.109 R)
• M7: 5,053,715 km (0.105 R)
• M8: 5,718,079 km (0.097 R)
• M9: 6,585,897 km (0.102 R)
• M10: 10,110,572 km (0.1 R)
• M11: 11,637,518 km (0.091 R)
• M12: 13,793,073 km (0.101 R)
• M13: 14,584,147 km (0.069 R)
• M14: 16,860,877 km (0.084 R)
• M15: 19,062,359 km (0.054 R)
• M16: 20,295,046 km (0.046 R)
• M17: 20,931,136 km (0.104 R)
• M18: 22,042,797 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.6

Radius: 11

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.36 AU - 3.44 AU

Year: 4252 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,101,291 km

• M1: 138,827 km (0.067 R)
• M2: 834,457 km (0.115 R)
• M3: 1,187,807 km (0.109 R)
• M4: 1,656,048 km (0.119 R)
• M5: 2,156,005 km (0.115 R)
• M6: 4,861,781 km (0.117 R)
• M7: 5,375,351 km (0.031 R)
• M8: 5,806,043 km (0.116 R)
• M9: 7,411,378 km (0.115 R)
• M10: 9,539,707 km (0.071 R)
• M11: 10,129,870 km (0.087 R)
• M12: 10,477,984 km (0.109 R)
• M13: 11,336,826 km (0.036 R)
• M14: 11,712,167 km (0.061 R)
• M15: 12,339,880 km (0.062 R)
• M16: 13,453,187 km (0.084 R)
• M17: 14,141,786 km (0.106 R)
• M18: 16,408,792 km (0.064 R)
• M19: 18,324,991 km (0.114 R)
• M20: 19,772,351 km (0.115 R)
• M21: 21,436,776 km (0.083 R)
• M22: 21,794,914 km (0.08 R)
• M23: 22,376,251 km (0.089 R)
• M24: 26,575,015 km (0.107 R)
• M25: 29,648,952 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 10

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.13 AU - 4.29 AU

Year: 4847 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 93,101,291 km

• M1: 124,914 km (0.102 R)
• M2: 484,248 km (0.041 R)
• M3: 882,777 km (0.059 R)
• M4: 1,228,498 km (0.106 R)
• M5: 1,593,965 km (0.103 R)
• M6: 4,028,820 km (0.081 R)
• M7: 4,621,976 km (0.049 R)
• M8: 5,864,536 km (0.079 R)
• M9: 6,500,626 km (0.098 R)
• M10: 7,697,409 km (0.1 R)
• M11: 8,957,322 km (0.1 R)
• M12: 12,118,325 km (0.118 R)
• M13: 12,750,227 km (0.103 R)
• M14: 16,303,176 km (0.071 R)
• M15: 19,530,301 km (0.102 R)
• M16: 20,808,615 km (0.087 R)
• M17: 21,154,186 km (0.065 R)
• M18: 21,785,639 km (0.074 R)
• M19: 23,531,296 km (0.072 R)
• M20: 24,057,582 km (0.091 R)
• M21: 25,055,699 km (0.091 R)
• M22: 26,241,561 km (0.096 R)
• M23: 27,464,374 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.9

Radius: 5.1

Gravity: 36.87 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.85 AU - 13.03 AU

Year: 22879 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,101,291 km

• M1: 63,429 km (0.09 R)
• M2: 224,247 km (0.071 R)
• M3: 430,393 km (0.088 R)
• M4: 1,151,754 km (0.083 R)
• M5: 1,956,441 km (0.109 R)
• M6: 2,626,041 km (0.101 R)
• M7: 3,055,237 km (0.095 R)
• M8: 3,592,593 km (0.105 R)
• M9: 4,121,272 km (0.096 R)
• M10: 4,368,108 km (0.094 R)
• M11: 4,662,367 km (0.054 R)
• M12: 4,852,955 km (0.113 R)
• M13: 5,710,749 km (0.108 R)
• M14: 7,005,818 km (0.105 R)
• M15: 8,827,322 km (0.044 R)
• M16: 9,971,596 km (0.105 R)
• M17: 12,045,621 km (0.108 R)
• M18: 13,069,917 km (0.039 R)
• M19: 13,526,340 km (0.107 R)
• M20: 14,310,383 km (0.085 R)
• M21: 15,542,620 km (0.058 R)
• M22: 18,310,331 km (0.102 R)
• M23: 19,959,348 km (0.062 R)
• M24: 23,106,438 km (0.101 R)
• M25: 28,932,079 km (0.12 R)
• M26: 29,836,847 km (0.041 R)
• M27: 32,387,490 km (0.062 R)
• M28: 37,156,521 km (0.104 R)
• M29: 41,228,126 km (0.058 R)
• M30: 41,390,440 km (0.105 R)
• M31: 46,109,205 km (0.09 R)
• M32: 46,635,042 km (0.092 R)
• M33: 47,877,602 km (0.114 R)
• M34: 50,800,595 km (0.075 R)
• M35: 51,174,140 km (0.077 R)
• M36: 52,686,575 km (0.053 R)
• M37: 81,352,668 km (0.089 R)
• M38: 81,608,032 km (0.162 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 13,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit