🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.6

Radius: 9.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,068,725 km

• M1: 116,686 km (0.06 R)
• M2: 495,917 km (0.078 R)
• M3: 855,101 km (0.11 R)
• M4: 1,178,382 km (0.062 R)
• M5: 1,528,741 km (0.101 R)
• M6: 1,884,185 km (0.102 R)
• M7: 2,177,846 km (0.086 R)
• M8: 2,561,415 km (0.09 R)
• M9: 3,261,982 km (0.077 R)
• M10: 4,153,884 km (0.117 R)
• M11: 4,671,792 km (0.103 R)
• M12: 5,119,987 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 11.6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.91 AU - 1.01 AU

Year: 649 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,068,725 km

• M1: 144,212 km (0.077 R)
• M2: 507,735 km (0.049 R)
• M3: 919,429 km (0.12 R)
• M4: 1,496,876 km (0.108 R)
• M5: 1,883,138 km (0.117 R)
• M6: 2,458,641 km (0.116 R)
• M7: 2,968,022 km (0.107 R)
• M8: 3,807,715 km (0.09 R)
• M9: 5,223,808 km (0.086 R)
• M10: 5,691,900 km (0.096 R)
• M11: 6,754,045 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 11.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.1 AU - 1.16 AU

Year: 829 Days

Day: 10.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,068,725 km

• M1: 139,276 km (0.117 R)
• M2: 498,909 km (0.078 R)
• M3: 1,102,985 km (0.065 R)
• M4: 1,752,389 km (0.097 R)
• M5: 2,398,353 km (0.034 R)
• M6: 3,157,861 km (0.088 R)
• M7: 3,827,462 km (0.106 R)
• M8: 4,373,643 km (0.118 R)
• M9: 4,917,880 km (0.107 R)
• M10: 5,355,305 km (0.118 R)
• M11: 5,720,024 km (0.115 R)
• M12: 6,542,513 km (0.096 R)
• M13: 7,186,831 km (0.106 R)
• M14: 7,607,650 km (0.046 R)
• M15: 8,345,766 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 8.1

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.15 AU - 1.25 AU

Year: 907 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,068,725 km

• M1: 106,364 km (0.119 R)
• M2: 465,848 km (0.068 R)
• M3: 886,218 km (0.051 R)
• M4: 1,142,180 km (0.027 R)
• M5: 1,416,991 km (0.068 R)
• M6: 1,727,407 km (0.118 R)
• M7: 2,981,934 km (0.088 R)
• M8: 3,337,828 km (0.118 R)
• M9: 3,877,128 km (0.11 R)
• M10: 4,996,718 km (0.076 R)
• M11: 6,122,592 km (0.107 R)
• M12: 8,141,864 km (0.078 R)
• M13: 9,721,767 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.6

Radius: 13.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.83 AU - 2.25 AU

Year: 2011 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,068,725 km

• M1: 170,093 km (0.07 R)
• M2: 611,706 km (0.113 R)
• M3: 1,172,698 km (0.041 R)
• M4: 1,642,136 km (0.086 R)
• M5: 2,252,046 km (0.089 R)
• M6: 3,254,352 km (0.087 R)
• M7: 3,691,178 km (0.068 R)
• M8: 5,221,564 km (0.079 R)
• M9: 5,874,559 km (0.108 R)
• M10: 6,527,254 km (0.085 R)
• M11: 7,344,507 km (0.094 R)
• M12: 8,102,969 km (0.1 R)
• M13: 9,115,447 km (0.112 R)
• M14: 9,740,916 km (0.078 R)
• M15: 10,173,852 km (0.119 R)
• M16: 11,391,429 km (0.109 R)
• M17: 14,390,866 km (0.097 R)
• M18: 15,482,033 km (0.097 R)
• M19: 18,151,458 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 13.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.93 AU - 2.97 AU

Year: 2647 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,068,725 km

• M1: 172,935 km (0.119 R)
• M2: 807,679 km (0.084 R)
• M3: 1,285,345 km (0.075 R)
• M4: 1,785,600 km (0.087 R)
• M5: 2,255,936 km (0.113 R)
• M6: 4,195,622 km (0.109 R)
• M7: 4,747,189 km (0.098 R)
• M8: 5,371,312 km (0.09 R)
• M9: 6,075,768 km (0.12 R)
• M10: 6,812,837 km (0.12 R)
• M11: 9,780,559 km (0.111 R)
• M12: 10,717,042 km (0.066 R)
• M13: 12,768,477 km (0.091 R)
• M14: 14,305,446 km (0.071 R)
• M15: 16,577,090 km (0.078 R)
• M16: 18,182,574 km (0.104 R)
• M17: 19,194,304 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.5

Radius: 5

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.28 AU - 7.26 AU

Year: 10837 Days

Day: 23.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,068,725 km

• M1: 104,270 km (0.054 R)
• M2: 382,671 km (0.082 R)
• M3: 646,562 km (0.032 R)
• M4: 891,753 km (0.111 R)
• M5: 1,103,434 km (0.096 R)
• M6: 2,384,740 km (0.086 R)
• M7: 2,543,912 km (0.059 R)
• M8: 3,253,454 km (0.112 R)
• M9: 4,315,599 km (0.063 R)
• M10: 4,583,230 km (0.108 R)
• M11: 5,730,646 km (0.053 R)
• M12: 6,856,370 km (0.09 R)
• M13: 7,097,970 km (0.106 R)
• M14: 8,715,871 km (0.119 R)
• M15: 9,989,996 km (0.092 R)
• M16: 13,519,459 km (0.106 R)
• M17: 14,027,942 km (0.104 R)
• M18: 14,483,318 km (0.115 R)
• M19: 17,649,108 km (0.054 R)
• M20: 19,592,833 km (0.073 R)
• M21: 19,916,563 km (0.096 R)
• M22: 20,161,754 km (0.046 R)
• M23: 27,667,229 km (0.097 R)
• M24: 29,426,649 km (0.1 R)
• M25: 34,323,735 km (0.084 R)
• M26: 37,458,409 km (0.073 R)
• M27: 40,386,040 km (0.077 R)
• M28: 50,530,570 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.2

Radius: 7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.04 AU - 7.8 AU

Year: 11228 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,068,725 km

• M1: 87,066 km (0.099 R)
• M2: 349,610 km (0.089 R)
• M3: 1,477,877 km (0.083 R)
• M4: 2,813,338 km (0.112 R)
• M5: 7,136,566 km (0.103 R)
• M6: 12,323,125 km (0.056 R)
• M7: 14,333,122 km (0.06 R)
• M8: 18,129,018 km (0.109 R)
• M9: 19,283,315 km (0.084 R)
• M10: 20,562,676 km (0.11 R)
• M11: 21,027,477 km (0.101 R)
• M12: 21,897,688 km (0.11 R)
• M13: 22,627,276 km (0.081 R)
• M14: 26,338,650 km (0.108 R)
• M15: 28,769,017 km (0.119 R)
• M16: 29,350,354 km (0.103 R)
• M17: 30,137,688 km (0.076 R)
• M18: 33,534,756 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.1

Radius: 6.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.07 AU - 8.13 AU

Year: 13059 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,068,725 km

• M1: 729,589 km (0.046 R)
• M2: 1,072,766 km (0.11 R)
• M3: 2,020,020 km (0.098 R)
• M4: 2,326,247 km (0.109 R)
• M5: 3,948,636 km (0.084 R)
• M6: 4,918,030 km (0.062 R)
• M7: 5,635,801 km (0.041 R)
• M8: 10,699,988 km (0.085 R)
• M9: 14,256,827 km (0.092 R)
• M10: 15,064,655 km (0.107 R)
• M11: 19,492,154 km (0.098 R)
• M12: 19,718,795 km (0.059 R)
• M13: 23,416,555 km (0.079 R)
• M14: 24,277,490 km (0.108 R)
• M15: 25,608,164 km (0.041 R)
• M16: 27,646,883 km (0.105 R)
• M17: 28,028,807 km (0.09 R)
• M18: 29,891,151 km (0.052 R)
• M19: 30,699,577 km (0.105 R)
• M20: 34,517,913 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.8

Radius: 7.3

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.2 AU - 10.56 AU

Year: 23084 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,068,725 km

• M1: 90,806 km (0.098 R)
• M2: 373,695 km (0.116 R)
• M3: 1,076,805 km (0.099 R)
• M4: 1,395,599 km (0.082 R)
• M5: 2,081,206 km (0.106 R)
• M6: 2,771,899 km (0.105 R)
• M7: 4,597,741 km (0.116 R)
• M8: 5,521,209 km (0.097 R)
• M9: 9,531,180 km (0.116 R)
• M10: 10,712,404 km (0.088 R)
• M11: 11,660,256 km (0.059 R)
• M12: 11,988,175 km (0.12 R)
• M13: 16,176,018 km (0.057 R)
• M14: 17,763,850 km (0.059 R)
• M15: 18,286,245 km (0.117 R)
• M16: 19,636,815 km (0.118 R)
• M17: 23,044,654 km (0.108 R)
• M18: 23,770,503 km (0.113 R)
• M19: 25,817,601 km (0.027 R)
• M20: 27,169,367 km (0.054 R)
• M21: 27,630,278 km (0.042 R)
• M22: 27,862,753 km (0.084 R)
• M23: 28,567,658 km (0.114 R)
• M24: 31,003,860 km (0.095 R)
• M25: 33,707,243 km (0.112 R)
• M26: 36,844,160 km (0.081 R)
• M27: 37,408,743 km (0.108 R)
• M28: 39,577,912 km (0.069 R)
• M29: 40,618,365 km (0.065 R)
• M30: 42,753,575 km (0.098 R)
• M31: 44,006,757 km (0.115 R)
• M32: 44,323,904 km (0.083 R)
• M33: 45,123,206 km (0.111 R)
• M34: 52,933,860 km (0.104 R)
• M35: 53,292,596 km (0.094 R)
• M36: 55,663,573 km (0.073 R)
• M37: 59,640,632 km (0.051 R)
• M38: 60,223,764 km (0.097 R)
• M39: 61,797,534 km (0.036 R)
• M40: 62,195,165 km (0.037 R)
• M41: 69,863,552 km (0.093 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: 365 - 18,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit