🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.3

Radius: 12.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.98 AU - 0.98 AU

Year: 647 Days

Day: 14.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,509,422 km

• M1: 157,975 km (0.103 R)
• M2: 582,085 km (0.102 R)
• M3: 1,030,879 km (0.097 R)
• M4: 1,453,194 km (0.042 R)
• M5: 1,907,223 km (0.093 R)
• M6: 2,456,547 km (0.049 R)
• M7: 2,865,098 km (0.059 R)
• M8: 3,524,975 km (0.084 R)
• M9: 4,329,362 km (0.049 R)
• M10: 5,339,746 km (0.076 R)
• M11: 5,976,136 km (0.077 R)
• M12: 6,581,558 km (0.118 R)
• M13: 7,227,672 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 10.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.97 AU - 2.27 AU

Year: 2058 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,509,422 km

• M1: 129,552 km (0.084 R)
• M2: 704,756 km (0.106 R)
• M3: 1,221,317 km (0.118 R)
• M4: 1,938,489 km (0.096 R)
• M5: 2,386,086 km (0.044 R)
• M6: 2,793,142 km (0.058 R)
• M7: 4,810,320 km (0.098 R)
• M8: 5,702,671 km (0.118 R)
• M9: 7,491,712 km (0.09 R)
• M10: 7,868,250 km (0.091 R)
• M11: 10,566,247 km (0.09 R)
• M12: 10,937,699 km (0.12 R)
• M13: 11,423,144 km (0.042 R)
• M14: 12,662,113 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 10.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.83 AU - 3.03 AU

Year: 2526 Days

Day: 6.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,509,422 km

• M1: 128,355 km (0.088 R)
• M2: 496,815 km (0.063 R)
• M3: 999,015 km (0.07 R)
• M4: 1,403,228 km (0.118 R)
• M5: 1,725,163 km (0.039 R)
• M6: 2,329,837 km (0.112 R)
• M7: 2,682,290 km (0.077 R)
• M8: 4,098,084 km (0.095 R)
• M9: 4,901,425 km (0.1 R)
• M10: 5,293,221 km (0.099 R)
• M11: 5,856,906 km (0.118 R)
• M12: 6,903,643 km (0.063 R)
• M13: 7,576,983 km (0.091 R)
• M14: 10,677,249 km (0.099 R)
• M15: 11,739,394 km (0.086 R)
• M16: 12,870,503 km (0.107 R)
• M17: 13,484,902 km (0.097 R)
• M18: 16,545,824 km (0.107 R)
• M19: 18,456,787 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 9.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.81 AU - 3.45 AU

Year: 3693 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,509,422 km

• M1: 127,607 km (0.084 R)
• M2: 441,912 km (0.105 R)
• M3: 1,207,853 km (0.098 R)
• M4: 1,566,290 km (0.069 R)
• M5: 1,903,783 km (0.109 R)
• M6: 2,489,009 km (0.118 R)
• M7: 3,046,261 km (0.108 R)
• M8: 3,525,723 km (0.086 R)
• M9: 5,204,211 km (0.108 R)
• M10: 5,768,643 km (0.096 R)
• M11: 6,909,178 km (0.103 R)
• M12: 10,157,396 km (0.071 R)
• M13: 10,592,128 km (0.102 R)
• M14: 14,485,412 km (0.112 R)
• M15: 16,724,743 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.9

Radius: 3.5

Gravity: 74.28 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.13 AU - 8.79 AU

Year: 16409 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,509,422 km

• M1: 43,683 km (0.095 R)
• M2: 236,065 km (0.105 R)
• M3: 578,495 km (0.069 R)
• M4: 731,683 km (0.12 R)
• M5: 923,318 km (0.097 R)
• M6: 1,202,019 km (0.067 R)
• M7: 1,469,500 km (0.086 R)
• M8: 1,651,710 km (0.062 R)
• M9: 2,081,505 km (0.099 R)
• M10: 4,802,840 km (0.041 R)
• M11: 5,990,946 km (0.039 R)
• M12: 8,768,530 km (0.114 R)
• M13: 9,146,115 km (0.107 R)
• M14: 10,705,224 km (0.107 R)
• M15: 12,567,568 km (0.095 R)
• M16: 14,043,650 km (0.088 R)
• M17: 14,337,460 km (0.094 R)
• M18: 15,320,318 km (0.098 R)
• M19: 17,251,178 km (0.116 R)
• M20: 19,977,449 km (0.077 R)
• M21: 20,442,399 km (0.093 R)
• M22: 21,297,501 km (0.119 R)
• M23: 22,876,207 km (0.065 R)
• M24: 24,743,338 km (0.083 R)
• M25: 27,273,936 km (0.057 R)
• M26: 30,826,586 km (0.115 R)
• M27: 35,211,898 km (0.073 R)
• M28: 47,294,170 km (0.087 R)
• M29: 47,458,429 km (0.047 R)
• M30: 50,480,455 km (0.074 R)
• M31: 57,463,085 km (0.113 R)
• M32: 58,025,274 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.9

Radius: 4.6

Gravity: 32.7 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.18 AU - 11.16 AU

Year: 18518 Days

Day: 16.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,509,422 km

• M1: 57,446 km (0.067 R)
• M2: 269,127 km (0.089 R)
• M3: 797,656 km (0.085 R)
• M4: 973,882 km (0.074 R)
• M5: 1,216,829 km (0.052 R)
• M6: 1,375,403 km (0.117 R)
• M7: 1,752,389 km (0.067 R)
• M8: 2,093,024 km (0.072 R)
• M9: 2,279,273 km (0.115 R)
• M10: 2,476,593 km (0.115 R)
• M11: 3,727,829 km (0.092 R)
• M12: 4,591,458 km (0.086 R)
• M13: 5,698,931 km (0.083 R)
• M14: 6,704,677 km (0.035 R)
• M15: 10,013,034 km (0.114 R)
• M16: 11,029,851 km (0.09 R)
• M17: 13,196,776 km (0.098 R)
• M18: 16,263,981 km (0.089 R)
• M19: 17,579,695 km (0.103 R)
• M20: 18,437,040 km (0.082 R)
• M21: 19,774,894 km (0.041 R)
• M22: 23,759,433 km (0.097 R)
• M23: 25,449,291 km (0.054 R)
• M24: 29,184,450 km (0.073 R)
• M25: 38,000,552 km (0.035 R)
• M26: 42,549,225 km (0.116 R)
• M27: 43,161,379 km (0.11 R)
• M28: 43,315,315 km (0.118 R)
• M29: 54,665,007 km (0.103 R)
• M30: 55,388,312 km (0.036 R)
• M31: 61,795,589 km (0.114 R)
• M32: 66,194,365 km (0.095 R)
• M33: 68,679,485 km (0.082 R)
• M34: 71,656,482 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.3

Radius: 5.3

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.68 AU - 11.76 AU

Year: 20208 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,509,422 km

• M1: 76,594 km (0.081 R)
• M2: 294,109 km (0.098 R)
• M3: 1,097,300 km (0.106 R)
• M4: 2,408,675 km (0.055 R)
• M5: 4,491,676 km (0.104 R)
• M6: 7,176,359 km (0.037 R)
• M7: 9,850,721 km (0.076 R)
• M8: 10,304,750 km (0.095 R)
• M9: 11,751,212 km (0.098 R)
• M10: 16,103,612 km (0.039 R)
• M11: 17,461,662 km (0.037 R)
• M12: 19,329,990 km (0.088 R)
• M13: 19,951,419 km (0.096 R)
• M14: 26,371,113 km (0.056 R)
• M15: 28,821,675 km (0.079 R)
• M16: 34,557,407 km (0.1 R)
• M17: 42,627,165 km (0.081 R)
• M18: 45,989,826 km (0.106 R)
• M19: 58,776,555 km (0.078 R)
• M20: 64,295,070 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.4

Radius: 5.2

Gravity: 31.41 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.43 AU - 11.71 AU

Year: 22916 Days

Day: 16.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,509,422 km

• M1: 64,626 km (0.075 R)
• M2: 953,537 km (0.114 R)
• M3: 1,210,696 km (0.105 R)
• M4: 2,337,616 km (0.11 R)
• M5: 2,913,867 km (0.114 R)
• M6: 3,834,193 km (0.105 R)
• M7: 5,329,723 km (0.113 R)
• M8: 9,650,559 km (0.072 R)
• M9: 10,395,706 km (0.063 R)
• M10: 11,652,627 km (0.107 R)
• M11: 14,703,825 km (0.104 R)
• M12: 15,355,623 km (0.118 R)
• M13: 20,167,887 km (0.091 R)
• M14: 22,323,742 km (0.101 R)
• M15: 27,329,287 km (0.102 R)
• M16: 37,498,053 km (0.065 R)
• M17: 38,712,039 km (0.088 R)
• M18: 48,484,969 km (0.108 R)
• M19: 71,085,767 km (0.042 R)
• M20: 82,967,428 km (0.051 R)
• M21: 84,249,332 km (0.085 R)
• M22: 85,805,150 km (0.118 R)
• M23: 87,379,817 km (0.077 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: 372 - 19,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit