🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 9.8

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,891,910 km

• M1: 121,922 km (0.11 R)
• M2: 426,803 km (0.062 R)
• M3: 739,911 km (0.108 R)
• M4: 1,180,776 km (0.065 R)
• M5: 1,680,134 km (0.079 R)
• M6: 2,095,417 km (0.051 R)
• M7: 2,432,162 km (0.082 R)
• M8: 3,005,870 km (0.054 R)
• M9: 3,393,927 km (0.037 R)
• M10: 3,792,456 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.7

Radius: 8.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.8 AU - 0.9 AU

Year: 523 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,891,910 km

• M1: 109,506 km (0.046 R)
• M2: 410,497 km (0.106 R)
• M3: 710,889 km (0.054 R)
• M4: 1,170,304 km (0.114 R)
• M5: 1,586,785 km (0.035 R)
• M6: 1,923,081 km (0.065 R)
• M7: 2,297,524 km (0.117 R)
• M8: 2,637,710 km (0.117 R)
• M9: 3,217,551 km (0.081 R)
• M10: 3,494,457 km (0.106 R)
• M11: 4,000,696 km (0.063 R)
• M12: 4,293,160 km (0.106 R)
• M13: 4,659,974 km (0.052 R)
• M14: 5,159,930 km (0.033 R)
• M15: 5,799,610 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 10.3

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.08 AU - 1.14 AU

Year: 780 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,891,910 km

• M1: 128,205 km (0.07 R)
• M2: 457,321 km (0.116 R)
• M3: 815,608 km (0.112 R)
• M4: 1,259,315 km (0.089 R)
• M5: 2,190,113 km (0.05 R)
• M6: 2,881,105 km (0.092 R)
• M7: 3,391,384 km (0.087 R)
• M8: 5,571,174 km (0.11 R)
• M9: 6,491,052 km (0.109 R)
• M10: 8,478,160 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 11.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.3 AU - 1.36 AU

Year: 1023 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,891,910 km

• M1: 139,425 km (0.119 R)
• M2: 642,972 km (0.102 R)
• M3: 1,383,780 km (0.1 R)
• M4: 2,077,166 km (0.073 R)
• M5: 2,439,792 km (0.065 R)
• M6: 3,003,177 km (0.063 R)
• M7: 3,367,149 km (0.047 R)
• M8: 3,888,049 km (0.037 R)
• M9: 4,605,071 km (0.101 R)
• M10: 6,235,538 km (0.071 R)
• M11: 6,668,175 km (0.099 R)
• M12: 7,543,024 km (0.1 R)
• M13: 8,194,373 km (0.044 R)
• M14: 8,996,517 km (0.118 R)
• M15: 9,372,755 km (0.112 R)
• M16: 10,312,679 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 14.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.38 AU - 1.44 AU

Year: 1116 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,891,910 km

• M1: 181,612 km (0.086 R)
• M2: 684,111 km (0.111 R)
• M3: 1,629,121 km (0.109 R)
• M4: 2,700,690 km (0.097 R)
• M5: 3,415,319 km (0.05 R)
• M6: 3,899,717 km (0.072 R)
• M7: 4,629,755 km (0.1 R)
• M8: 6,093,121 km (0.099 R)
• M9: 6,715,448 km (0.064 R)
• M10: 8,223,694 km (0.118 R)
• M11: 8,697,770 km (0.102 R)
• M12: 10,167,569 km (0.096 R)
• M13: 10,845,995 km (0.099 R)
• M14: 11,485,676 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 12.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.63 AU - 2.57 AU

Year: 2029 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,891,910 km

• M1: 157,975 km (0.113 R)
• M2: 764,894 km (0.117 R)
• M3: 1,437,486 km (0.058 R)
• M4: 2,156,603 km (0.073 R)
• M5: 2,670,023 km (0.105 R)
• M6: 3,104,305 km (0.056 R)
• M7: 3,538,887 km (0.087 R)
• M8: 4,065,771 km (0.064 R)
• M9: 4,663,714 km (0.063 R)
• M10: 5,637,745 km (0.054 R)
• M11: 6,645,736 km (0.082 R)
• M12: 7,167,533 km (0.105 R)
• M13: 7,824,268 km (0.118 R)
• M14: 8,665,008 km (0.082 R)
• M15: 9,137,438 km (0.115 R)
• M16: 10,592,726 km (0.08 R)
• M17: 12,417,820 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.4

Radius: 12.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.26 AU - 2.72 AU

Year: 2620 Days

Day: 6.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,891,910 km

• M1: 170,841 km (0.111 R)
• M2: 711,487 km (0.084 R)
• M3: 1,335,759 km (0.117 R)
• M4: 1,880,146 km (0.052 R)
• M5: 2,556,328 km (0.068 R)
• M6: 3,918,417 km (0.082 R)
• M7: 4,522,792 km (0.036 R)
• M8: 4,982,357 km (0.113 R)
• M9: 5,944,571 km (0.095 R)
• M10: 7,113,229 km (0.077 R)
• M11: 7,953,072 km (0.096 R)
• M12: 9,128,612 km (0.088 R)
• M13: 9,545,391 km (0.094 R)
• M14: 10,795,431 km (0.115 R)
• M15: 11,741,638 km (0.108 R)
• M16: 12,360,524 km (0.072 R)
• M17: 14,770,845 km (0.108 R)
• M18: 16,086,708 km (0.03 R)
• M19: 16,593,396 km (0.104 R)
• M20: 17,163,065 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 8.2

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.83 AU - 4.63 AU

Year: 4804 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,891,910 km

• M1: 102,026 km (0.098 R)
• M2: 592,557 km (0.097 R)
• M3: 923,019 km (0.12 R)
• M4: 1,549,984 km (0.048 R)
• M5: 1,944,024 km (0.108 R)
• M6: 2,561,864 km (0.11 R)
• M7: 3,097,125 km (0.113 R)
• M8: 3,622,213 km (0.066 R)
• M9: 4,004,436 km (0.101 R)
• M10: 4,652,344 km (0.088 R)
• M11: 5,156,639 km (0.096 R)
• M12: 5,951,901 km (0.084 R)
• M13: 6,303,905 km (0.084 R)
• M14: 7,311,297 km (0.046 R)
• M15: 8,063,475 km (0.071 R)
• M16: 8,791,268 km (0.12 R)
• M17: 9,923,276 km (0.07 R)
• M18: 10,931,416 km (0.056 R)
• M19: 11,959,901 km (0.104 R)
• M20: 13,747,895 km (0.105 R)
• M21: 14,312,178 km (0.113 R)
• M22: 18,827,640 km (0.059 R)
• M23: 19,651,775 km (0.107 R)
• M24: 21,303,934 km (0.107 R)
• M25: 22,761,765 km (0.111 R)
• M26: 24,957,862 km (0.038 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.3

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.8 AU - 5.74 AU

Year: 8068 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,891,910 km

• M1: 150,495 km (0.119 R)
• M2: 607,667 km (0.087 R)
• M3: 1,518,119 km (0.075 R)
• M4: 2,432,761 km (0.072 R)
• M5: 3,241,337 km (0.097 R)
• M6: 3,933,826 km (0.069 R)
• M7: 4,467,292 km (0.05 R)
• M8: 4,898,582 km (0.079 R)
• M9: 5,845,686 km (0.066 R)
• M10: 6,725,023 km (0.098 R)
• M11: 7,216,003 km (0.079 R)
• M12: 9,377,991 km (0.099 R)
• M13: 10,137,350 km (0.116 R)
• M14: 12,326,266 km (0.081 R)
• M15: 13,650,357 km (0.109 R)
• M16: 14,377,702 km (0.041 R)
• M17: 14,876,910 km (0.066 R)
• M18: 16,511,715 km (0.116 R)
• M19: 17,760,858 km (0.114 R)
• M20: 20,058,382 km (0.106 R)
• M21: 20,919,317 km (0.103 R)
• M22: 23,051,985 km (0.083 R)
• M23: 23,996,546 km (0.092 R)
• M24: 27,938,001 km (0.043 R)
• M25: 30,214,132 km (0.114 R)
• M26: 31,241,271 km (0.034 R)
• M27: 32,718,102 km (0.084 R)
• M28: 33,473,870 km (0.063 R)
• M29: 35,924,732 km (0.06 R)
• M30: 38,373,649 km (0.103 R)
• M31: 39,456,588 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88

Radius: 6.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.38 AU - 10.68 AU

Year: 21183 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,891,910 km

• M1: 82,129 km (0.083 R)
• M2: 291,865 km (0.103 R)
• M3: 632,350 km (0.089 R)
• M4: 984,354 km (0.108 R)
• M5: 1,473,988 km (0.043 R)
• M6: 2,232,150 km (0.043 R)
• M7: 3,313,892 km (0.1 R)
• M8: 5,362,934 km (0.112 R)
• M9: 6,961,537 km (0.036 R)
• M10: 7,415,866 km (0.106 R)
• M11: 8,216,663 km (0.098 R)
• M12: 12,162,905 km (0.089 R)
• M13: 13,736,824 km (0.072 R)
• M14: 16,083,566 km (0.094 R)
• M15: 21,474,625 km (0.062 R)
• M16: 26,569,031 km (0.077 R)
• M17: 31,385,783 km (0.095 R)
• M18: 32,206,776 km (0.035 R)
• M19: 38,475,824 km (0.086 R)
• M20: 39,061,799 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit