🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 9.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.11 AU - 1.53 AU

Year: 995 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,462,838 km

• M1: 123,269 km (0.074 R)
• M2: 549,473 km (0.097 R)
• M3: 1,130,661 km (0.055 R)
• M4: 1,576,462 km (0.115 R)
• M5: 1,956,142 km (0.071 R)
• M6: 2,340,907 km (0.11 R)
• M7: 2,851,485 km (0.099 R)
• M8: 5,157,387 km (0.065 R)
• M9: 6,370,476 km (0.11 R)
• M10: 6,868,487 km (0.041 R)
• M11: 7,739,147 km (0.053 R)
• M12: 8,123,015 km (0.119 R)
• M13: 9,995,232 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 8.6

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.88 AU - 4.62 AU

Year: 4764 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,462,838 km

• M1: 107,411 km (0.114 R)
• M2: 414,536 km (0.116 R)
• M3: 806,781 km (0.108 R)
• M4: 1,192,295 km (0.075 R)
• M5: 2,295,131 km (0.11 R)
• M6: 2,754,396 km (0.047 R)
• M7: 3,138,264 km (0.1 R)
• M8: 3,515,849 km (0.103 R)
• M9: 3,791,558 km (0.065 R)
• M10: 4,362,723 km (0.108 R)
• M11: 5,257,468 km (0.11 R)
• M12: 5,676,342 km (0.098 R)
• M13: 6,486,564 km (0.107 R)
• M14: 7,861,219 km (0.08 R)
• M15: 8,789,324 km (0.081 R)
• M16: 9,140,729 km (0.109 R)
• M17: 9,788,787 km (0.114 R)
• M18: 10,166,372 km (0.072 R)
• M19: 11,635,274 km (0.089 R)
• M20: 13,702,866 km (0.093 R)
• M21: 16,119,619 km (0.065 R)
• M22: 17,125,067 km (0.068 R)
• M23: 19,195,202 km (0.1 R)
• M24: 22,279,611 km (0.118 R)
• M25: 23,377,061 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 14.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.41 AU - 4.33 AU

Year: 4994 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,462,838 km

• M1: 184,005 km (0.101 R)
• M2: 848,968 km (0.041 R)
• M3: 1,948,363 km (0.106 R)
• M4: 2,916,261 km (0.094 R)
• M5: 5,241,311 km (0.104 R)
• M6: 5,913,753 km (0.051 R)
• M7: 6,668,774 km (0.101 R)
• M8: 10,521,817 km (0.054 R)
• M9: 12,044,723 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 3

Gravity: 23.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.07 AU - 6.09 AU

Year: 9835 Days

Day: 15.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,462,838 km

• M1: 37,549 km (0.098 R)
• M2: 138,677 km (0.118 R)
• M3: 236,065 km (0.045 R)
• M4: 915,838 km (0.099 R)
• M5: 1,183,469 km (0.067 R)
• M6: 1,428,360 km (0.06 R)
• M7: 3,203,040 km (0.048 R)
• M8: 3,976,611 km (0.114 R)
• M9: 4,574,104 km (0.03 R)
• M10: 6,292,834 km (0.093 R)
• M11: 6,422,835 km (0.109 R)
• M12: 6,554,780 km (0.068 R)
• M13: 7,602,265 km (0.066 R)
• M14: 9,248,888 km (0.076 R)
• M15: 9,759,765 km (0.088 R)
• M16: 10,606,639 km (0.116 R)
• M17: 11,744,929 km (0.101 R)
• M18: 13,493,279 km (0.084 R)
• M19: 14,826,795 km (0.1 R)
• M20: 15,348,742 km (0.074 R)
• M21: 15,822,817 km (0.118 R)
• M22: 18,807,295 km (0.082 R)
• M23: 19,077,319 km (0.041 R)
• M24: 23,444,530 km (0.085 R)
• M25: 23,836,027 km (0.092 R)
• M26: 24,712,371 km (0.098 R)
• M27: 25,858,590 km (0.087 R)
• M28: 26,276,417 km (0.111 R)
• M29: 26,529,238 km (0.057 R)
• M30: 30,057,204 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.1

Radius: 4.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.31 AU - 11.99 AU

Year: 19665 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,462,838 km

• M1: 62,831 km (0.042 R)
• M2: 253,419 km (0.07 R)
• M3: 519,404 km (0.027 R)
• M4: 787,483 km (0.068 R)
• M5: 2,994,052 km (0.107 R)
• M6: 3,463,340 km (0.101 R)
• M7: 3,878,175 km (0.106 R)
• M8: 5,576,410 km (0.06 R)
• M9: 6,008,299 km (0.105 R)
• M10: 6,938,200 km (0.102 R)
• M11: 13,522,301 km (0.097 R)
• M12: 14,178,437 km (0.109 R)
• M13: 22,191,498 km (0.053 R)
• M14: 25,446,299 km (0.112 R)
• M15: 31,934,657 km (0.054 R)
• M16: 39,684,725 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.8

Radius: 7.3

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.41 AU - 12.13 AU

Year: 21591 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,462,838 km

• M1: 91,853 km (0.063 R)
• M2: 410,646 km (0.106 R)
• M3: 679,773 km (0.11 R)
• M4: 1,205,310 km (0.097 R)
• M5: 1,857,407 km (0.069 R)
• M6: 3,233,408 km (0.105 R)
• M7: 3,900,465 km (0.099 R)
• M8: 4,164,655 km (0.087 R)
• M9: 5,545,892 km (0.057 R)
• M10: 8,614,444 km (0.091 R)
• M11: 9,827,683 km (0.056 R)
• M12: 10,825,650 km (0.111 R)
• M13: 11,349,242 km (0.107 R)
• M14: 15,828,053 km (0.093 R)
• M15: 20,856,636 km (0.079 R)
• M16: 27,093,820 km (0.08 R)
• M17: 30,957,783 km (0.113 R)
• M18: 33,912,641 km (0.093 R)
• M19: 39,144,676 km (0.082 R)
• M20: 40,066,050 km (0.077 R)
• M21: 40,532,047 km (0.115 R)
• M22: 41,792,409 km (0.115 R)
• M23: 45,730,274 km (0.025 R)
• M24: 53,391,480 km (0.102 R)
• M25: 79,688,243 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.8

Radius: 3.4

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.81 AU - 13.25 AU

Year: 24031 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,462,838 km

• M1: 46,974 km (0.027 R)
• M2: 429,495 km (0.099 R)
• M3: 1,135,149 km (0.12 R)
• M4: 1,430,604 km (0.07 R)
• M5: 1,574,218 km (0.088 R)
• M6: 2,228,111 km (0.085 R)
• M7: 6,943,884 km (0.117 R)
• M8: 8,880,429 km (0.039 R)
• M9: 10,023,207 km (0.077 R)
• M10: 13,458,722 km (0.075 R)
• M11: 13,585,132 km (0.105 R)
• M12: 13,776,169 km (0.101 R)
• M13: 21,133,542 km (0.089 R)
• M14: 25,879,085 km (0.094 R)
• M15: 26,666,868 km (0.105 R)
• M16: 35,805,652 km (0.119 R)
• M17: 36,048,300 km (0.102 R)
• M18: 36,537,186 km (0.05 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: 362 - 11,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit