🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 8.5

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.94 AU - 1.3 AU

Year: 818 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,523,754 km

• M1: 105,766 km (0.064 R)
• M2: 577,149 km (0.069 R)
• M3: 875,746 km (0.106 R)
• M4: 1,265,748 km (0.097 R)
• M5: 1,561,353 km (0.106 R)
• M6: 1,866,981 km (0.105 R)
• M7: 2,488,261 km (0.112 R)
• M8: 3,254,352 km (0.113 R)
• M9: 3,613,088 km (0.09 R)
• M10: 4,476,118 km (0.08 R)
• M11: 4,763,645 km (0.09 R)
• M12: 5,432,347 km (0.075 R)
• M13: 5,999,174 km (0.06 R)
• M14: 7,204,633 km (0.113 R)
• M15: 7,913,279 km (0.062 R)
• M16: 8,259,448 km (0.072 R)
• M17: 8,876,539 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 8.6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.3 AU - 2.04 AU

Year: 1490 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,523,754 km

• M1: 106,962 km (0.117 R)
• M2: 406,757 km (0.03 R)
• M3: 731,833 km (0.095 R)
• M4: 1,572,423 km (0.115 R)
• M5: 1,973,046 km (0.071 R)
• M6: 2,313,980 km (0.03 R)
• M7: 3,025,019 km (0.095 R)
• M8: 3,648,393 km (0.099 R)
• M9: 4,091,352 km (0.11 R)
• M10: 4,853,703 km (0.077 R)
• M11: 5,638,493 km (0.096 R)
• M12: 5,965,514 km (0.041 R)
• M13: 7,458,202 km (0.093 R)
• M14: 7,939,458 km (0.061 R)
• M15: 8,807,874 km (0.113 R)
• M16: 10,210,055 km (0.105 R)
• M17: 11,018,482 km (0.087 R)
• M18: 12,329,408 km (0.108 R)
• M19: 12,682,758 km (0.084 R)
• M20: 13,741,612 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.2

Radius: 12.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.45 AU - 2.21 AU

Year: 1709 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,523,754 km

• M1: 155,432 km (0.051 R)
• M2: 563,834 km (0.113 R)
• M3: 1,026,541 km (0.046 R)
• M4: 1,533,528 km (0.058 R)
• M5: 1,930,860 km (0.115 R)
• M6: 2,671,519 km (0.089 R)
• M7: 3,379,865 km (0.1 R)
• M8: 4,033,907 km (0.072 R)
• M9: 4,544,185 km (0.063 R)
• M10: 5,228,446 km (0.119 R)
• M11: 5,775,675 km (0.113 R)
• M12: 6,825,702 km (0.115 R)
• M13: 8,254,063 km (0.047 R)
• M14: 8,754,019 km (0.095 R)
• M15: 9,163,019 km (0.097 R)
• M16: 9,556,162 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 13

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.28 AU - 4.18 AU

Year: 4972 Days

Day: 13.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,523,754 km

• M1: 161,715 km (0.096 R)
• M2: 718,668 km (0.071 R)
• M3: 2,562,163 km (0.101 R)
• M4: 3,484,583 km (0.099 R)
• M5: 6,135,457 km (0.098 R)
• M6: 6,874,621 km (0.118 R)
• M7: 8,454,075 km (0.094 R)
• M8: 9,916,693 km (0.109 R)
• M9: 11,212,809 km (0.03 R)
• M10: 11,637,218 km (0.096 R)
• M11: 13,761,658 km (0.086 R)
• M12: 17,668,257 km (0.091 R)
• M13: 19,030,944 km (0.119 R)
• M14: 22,111,762 km (0.064 R)
• M15: 25,108,058 km (0.12 R)
• M16: 26,828,733 km (0.116 R)
• M17: 27,589,886 km (0.105 R)
• M18: 28,278,336 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 9.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.06 AU - 4.12 AU

Year: 5709 Days

Day: 13.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,523,754 km

• M1: 114,442 km (0.075 R)
• M2: 408,851 km (0.092 R)
• M3: 751,729 km (0.069 R)
• M4: 1,271,283 km (0.033 R)
• M5: 1,698,534 km (0.104 R)
• M6: 2,373,819 km (0.078 R)
• M7: 3,198,552 km (0.082 R)
• M8: 3,774,205 km (0.114 R)
• M9: 4,087,163 km (0.097 R)
• M10: 5,921,233 km (0.11 R)
• M11: 6,692,410 km (0.069 R)
• M12: 7,220,192 km (0.101 R)
• M13: 7,954,717 km (0.117 R)
• M14: 9,945,416 km (0.076 R)
• M15: 11,169,426 km (0.114 R)
• M16: 12,055,195 km (0.095 R)
• M17: 13,445,109 km (0.076 R)
• M18: 15,160,847 km (0.06 R)
• M19: 16,777,850 km (0.069 R)
• M20: 17,504,896 km (0.1 R)
• M21: 18,316,015 km (0.095 R)
• M22: 20,830,905 km (0.066 R)
• M23: 21,812,866 km (0.036 R)
• M24: 22,751,891 km (0.05 R)
• M25: 24,633,234 km (0.119 R)
• M26: 25,651,547 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.4

Radius: 4.7

Gravity: 17.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.79 AU - 6.65 AU

Year: 9443 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,523,754 km

• M1: 58,792 km (0.088 R)
• M2: 209,886 km (0.069 R)
• M3: 556,654 km (0.109 R)
• M4: 848,070 km (0.038 R)
• M5: 1,864,438 km (0.039 R)
• M6: 2,249,054 km (0.039 R)
• M7: 2,943,338 km (0.099 R)
• M8: 3,533,203 km (0.071 R)
• M9: 6,136,804 km (0.1 R)
• M10: 6,550,292 km (0.071 R)
• M11: 7,018,982 km (0.081 R)
• M12: 7,743,635 km (0.108 R)
• M13: 9,887,522 km (0.066 R)
• M14: 12,343,021 km (0.061 R)
• M15: 13,914,248 km (0.071 R)
• M16: 15,363,103 km (0.029 R)
• M17: 17,043,087 km (0.098 R)
• M18: 17,858,246 km (0.09 R)
• M19: 18,205,313 km (0.102 R)
• M20: 19,419,599 km (0.108 R)
• M21: 26,486,901 km (0.111 R)
• M22: 26,847,731 km (0.099 R)
• M23: 29,562,185 km (0.089 R)
• M24: 30,637,943 km (0.118 R)
• M25: 34,662,126 km (0.112 R)
• M26: 35,093,716 km (0.085 R)
• M27: 35,967,816 km (0.041 R)
• M28: 36,856,278 km (0.102 R)
• M29: 37,532,011 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.1

Radius: 5.8

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.29 AU - 9.57 AU

Year: 16895 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,523,754 km

• M1: 72,106 km (0.069 R)
• M2: 552,465 km (0.053 R)
• M3: 843,582 km (0.089 R)
• M4: 1,363,136 km (0.094 R)
• M5: 1,772,436 km (0.086 R)
• M6: 6,286,402 km (0.115 R)
• M7: 9,308,728 km (0.096 R)
• M8: 11,767,069 km (0.088 R)
• M9: 13,461,265 km (0.06 R)
• M10: 16,337,583 km (0.12 R)
• M11: 22,863,342 km (0.073 R)
• M12: 23,680,894 km (0.118 R)
• M13: 24,201,644 km (0.092 R)
• M14: 24,623,660 km (0.119 R)
• M15: 24,943,500 km (0.031 R)
• M16: 26,808,088 km (0.059 R)
• M17: 31,432,906 km (0.067 R)
• M18: 32,956,261 km (0.081 R)
• M19: 48,107,384 km (0.066 R)
• M20: 52,378,702 km (0.051 R)
• M21: 63,047,723 km (0.109 R)
• M22: 63,246,838 km (0.043 R)
• M23: 72,209,546 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 19,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit