🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 12.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 14.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,897,264 km

• M1: 159,172 km (0.074 R)
• M2: 691,441 km (0.106 R)
• M3: 1,267,842 km (0.076 R)
• M4: 2,450,712 km (0.082 R)
• M5: 3,066,457 km (0.097 R)
• M6: 3,627,000 km (0.112 R)
• M7: 4,838,294 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 8.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,897,264 km

• M1: 103,223 km (0.115 R)
• M2: 473,776 km (0.11 R)
• M3: 841,039 km (0.09 R)
• M4: 1,190,799 km (0.038 R)
• M5: 1,505,403 km (0.071 R)
• M6: 2,078,513 km (0.091 R)
• M7: 2,388,031 km (0.115 R)
• M8: 2,708,021 km (0.048 R)
• M9: 3,328,553 km (0.086 R)
• M10: 3,767,323 km (0.045 R)
• M11: 4,094,344 km (0.105 R)
• M12: 4,656,982 km (0.115 R)
• M13: 5,415,293 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.4

Radius: 8.1

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.92 AU - 0.98 AU

Year: 628 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,897,264 km

• M1: 100,679 km (0.081 R)
• M2: 372,050 km (0.118 R)
• M3: 985,700 km (0.082 R)
• M4: 1,290,581 km (0.086 R)
• M5: 1,765,404 km (0.111 R)
• M6: 2,280,919 km (0.095 R)
• M7: 2,574,579 km (0.119 R)
• M8: 3,062,568 km (0.074 R)
• M9: 3,329,001 km (0.037 R)
• M10: 3,996,956 km (0.093 R)
• M11: 4,522,044 km (0.107 R)
• M12: 5,022,599 km (0.072 R)
• M13: 5,304,591 km (0.118 R)
• M14: 5,690,553 km (0.052 R)
• M15: 6,055,722 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 8.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1 AU - 1.08 AU

Year: 719 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,897,264 km

• M1: 106,962 km (0.076 R)
• M2: 383,868 km (0.115 R)
• M3: 691,741 km (0.074 R)
• M4: 1,008,140 km (0.07 R)
• M5: 1,300,903 km (0.093 R)
• M6: 1,658,292 km (0.081 R)
• M7: 1,987,408 km (0.052 R)
• M8: 2,258,180 km (0.116 R)
• M9: 3,294,444 km (0.101 R)
• M10: 5,098,894 km (0.068 R)
• M11: 5,645,674 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.4

Radius: 13.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.23 AU - 1.79 AU

Year: 1259 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,897,264 km

• M1: 165,904 km (0.108 R)
• M2: 682,166 km (0.091 R)
• M3: 1,246,150 km (0.036 R)
• M4: 1,786,199 km (0.086 R)
• M5: 2,262,967 km (0.064 R)
• M6: 3,422,350 km (0.061 R)
• M7: 3,897,623 km (0.097 R)
• M8: 4,640,975 km (0.077 R)
• M9: 5,112,358 km (0.114 R)
• M10: 5,536,168 km (0.098 R)
• M11: 6,389,175 km (0.092 R)
• M12: 8,811,165 km (0.035 R)
• M13: 9,537,463 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 9.4

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.06 AU - 2.3 AU

Year: 2183 Days

Day: 14.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,897,264 km

• M1: 116,836 km (0.094 R)
• M2: 538,104 km (0.066 R)
• M3: 1,014,274 km (0.111 R)
• M4: 1,348,924 km (0.117 R)
• M5: 1,724,415 km (0.066 R)
• M6: 2,370,827 km (0.088 R)
• M7: 3,862,019 km (0.051 R)
• M8: 4,851,908 km (0.117 R)
• M9: 5,153,497 km (0.109 R)
• M10: 5,794,674 km (0.115 R)
• M11: 6,323,352 km (0.101 R)
• M12: 6,655,759 km (0.095 R)
• M13: 8,233,717 km (0.037 R)
• M14: 9,570,673 km (0.084 R)
• M15: 11,860,119 km (0.032 R)
• M16: 12,844,174 km (0.113 R)
• M17: 17,817,705 km (0.09 R)
• M18: 18,426,718 km (0.119 R)
• M19: 19,279,575 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 9.4

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.33 AU - 3.53 AU

Year: 3402 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,897,264 km

• M1: 118,781 km (0.112 R)
• M2: 444,605 km (0.07 R)
• M3: 831,914 km (0.091 R)
• M4: 1,190,649 km (0.097 R)
• M5: 1,641,537 km (0.096 R)
• M6: 2,957,999 km (0.072 R)
• M7: 3,570,153 km (0.114 R)
• M8: 5,301,150 km (0.114 R)
• M9: 5,948,460 km (0.114 R)
• M10: 8,491,175 km (0.102 R)
• M11: 9,037,955 km (0.027 R)
• M12: 10,487,260 km (0.06 R)
• M13: 12,590,755 km (0.112 R)
• M14: 13,061,988 km (0.092 R)
• M15: 16,195,765 km (0.106 R)
• M16: 16,979,957 km (0.089 R)
• M17: 17,555,460 km (0.118 R)
• M18: 17,848,073 km (0.05 R)
• M19: 19,988,220 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 9.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.44 AU - 4.48 AU

Year: 6388 Days

Day: 7 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,897,264 km

• M1: 128,804 km (0.046 R)
• M2: 532,718 km (0.082 R)
• M3: 1,143,377 km (0.095 R)
• M4: 1,475,035 km (0.027 R)
• M5: 2,159,296 km (0.12 R)
• M6: 2,511,898 km (0.114 R)
• M7: 3,002,130 km (0.094 R)
• M8: 3,313,294 km (0.108 R)
• M9: 3,977,059 km (0.12 R)
• M10: 4,837,397 km (0.061 R)
• M11: 5,356,352 km (0.118 R)
• M12: 5,785,548 km (0.089 R)
• M13: 6,370,775 km (0.073 R)
• M14: 7,322,367 km (0.07 R)
• M15: 7,929,435 km (0.03 R)
• M16: 8,285,328 km (0.098 R)
• M17: 9,114,849 km (0.031 R)
• M18: 9,638,441 km (0.055 R)
• M19: 10,136,004 km (0.072 R)
• M20: 10,461,529 km (0.084 R)
• M21: 11,133,373 km (0.115 R)
• M22: 11,630,786 km (0.041 R)
• M23: 16,539,989 km (0.092 R)
• M24: 17,057,000 km (0.115 R)
• M25: 17,451,788 km (0.058 R)
• M26: 18,259,766 km (0.118 R)
• M27: 24,296,190 km (0.117 R)
• M28: 24,880,220 km (0.079 R)
• M29: 27,043,256 km (0.119 R)
• M30: 29,422,610 km (0.087 R)
• M31: 32,639,263 km (0.098 R)
• M32: 33,761,547 km (0.052 R)
• M33: 34,280,053 km (0.088 R)
• M34: 35,760,324 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.8

Radius: 6.8

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.72 AU - 8.38 AU

Year: 12696 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,897,264 km

• M1: 86,168 km (0.059 R)
• M2: 302,936 km (0.05 R)
• M3: 521,199 km (0.062 R)
• M4: 985,700 km (0.11 R)
• M5: 1,222,813 km (0.115 R)
• M6: 1,635,554 km (0.098 R)
• M7: 2,414,360 km (0.082 R)
• M8: 2,805,558 km (0.097 R)
• M9: 3,497,299 km (0.077 R)
• M10: 4,643,069 km (0.074 R)
• M11: 7,250,410 km (0.035 R)
• M12: 9,926,118 km (0.039 R)
• M13: 12,366,807 km (0.085 R)
• M14: 13,131,551 km (0.099 R)
• M15: 13,592,014 km (0.074 R)
• M16: 14,825,448 km (0.085 R)
• M17: 18,232,689 km (0.099 R)
• M18: 18,805,649 km (0.082 R)
• M19: 19,222,279 km (0.078 R)
• M20: 22,128,068 km (0.11 R)
• M21: 24,024,670 km (0.079 R)
• M22: 25,213,225 km (0.107 R)
• M23: 27,814,283 km (0.113 R)
• M24: 29,457,915 km (0.084 R)
• M25: 30,133,200 km (0.107 R)
• M26: 30,360,439 km (0.115 R)
• M27: 32,458,549 km (0.1 R)
• M28: 35,783,811 km (0.11 R)
• M29: 37,990,080 km (0.111 R)
• M30: 40,699,896 km (0.085 R)
• M31: 44,118,357 km (0.088 R)
• M32: 45,150,283 km (0.077 R)
• M33: 50,552,860 km (0.102 R)
• M34: 52,499,877 km (0.118 R)
• M35: 54,160,264 km (0.119 R)
• M36: 55,513,526 km (0.112 R)
• M37: 57,935,665 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.2

Radius: 4.8

Gravity: 39.46 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.42 AU - 8.08 AU

Year: 14633 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,897,264 km

• M1: 64,028 km (0.05 R)
• M2: 238,010 km (0.095 R)
• M3: 724,502 km (0.092 R)
• M4: 985,850 km (0.114 R)
• M5: 1,211,144 km (0.077 R)
• M6: 1,680,134 km (0.042 R)
• M7: 1,854,864 km (0.075 R)
• M8: 2,587,295 km (0.093 R)
• M9: 3,018,436 km (0.114 R)
• M10: 4,052,906 km (0.09 R)
• M11: 4,208,786 km (0.061 R)
• M12: 4,401,319 km (0.114 R)
• M13: 6,705,874 km (0.099 R)
• M14: 9,005,642 km (0.112 R)
• M15: 9,325,632 km (0.047 R)
• M16: 9,488,544 km (0.114 R)
• M17: 10,980,783 km (0.092 R)
• M18: 13,780,657 km (0.106 R)
• M19: 16,227,330 km (0.077 R)
• M20: 19,829,946 km (0.116 R)
• M21: 21,864,028 km (0.078 R)
• M22: 22,539,313 km (0.102 R)
• M23: 24,339,574 km (0.089 R)
• M24: 24,752,164 km (0.068 R)
• M25: 25,169,543 km (0.107 R)
• M26: 25,591,558 km (0.106 R)
• M27: 29,138,972 km (0.102 R)
• M28: 29,721,357 km (0.076 R)
• M29: 30,192,740 km (0.12 R)
• M30: 34,922,875 km (0.12 R)
• M31: 36,648,038 km (0.052 R)
• M32: 38,151,496 km (0.111 R)
• M33: 39,129,417 km (0.098 R)
• M34: 44,423,536 km (0.076 R)
• M35: 45,194,714 km (0.117 R)
• M36: 56,045,645 km (0.043 R)
• M37: 56,224,864 km (0.109 R)
• M38: 65,285,857 km (0.083 R)
• M39: 66,082,017 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 17,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit