🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 11.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.56 AU - 0.6 AU

Year: 300 Days

Day: 6.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,070,392 km

• M1: 146,756 km (0.052 R)
• M2: 530,923 km (0.096 R)
• M3: 1,698,235 km (0.12 R)
• M4: 2,170,964 km (0.097 R)
• M5: 2,635,466 km (0.064 R)
• M6: 3,033,396 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 14.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,070,392 km

• M1: 185,501 km (0.099 R)
• M2: 733,329 km (0.096 R)
• M3: 1,329,476 km (0.06 R)
• M4: 1,848,880 km (0.07 R)
• M5: 2,514,890 km (0.073 R)
• M6: 3,383,455 km (0.112 R)
• M7: 4,472,228 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 11.6

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.72 AU - 1.08 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 141.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,070,392 km

• M1: 146,756 km (0.083 R)
• M2: 623,973 km (0.111 R)
• M3: 1,408,614 km (0.03 R)
• M4: 1,889,272 km (0.037 R)
• M5: 2,771,450 km (0.065 R)
• M6: 3,287,563 km (0.102 R)
• M7: 3,712,570 km (0.074 R)
• M8: 4,234,667 km (0.108 R)
• M9: 4,821,988 km (0.099 R)
• M10: 5,355,305 km (0.095 R)
• M11: 6,378,404 km (0.093 R)
• M12: 7,348,846 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 10.1

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.46 AU - 2.32 AU

Year: 1762 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,070,392 km

• M1: 125,662 km (0.085 R)
• M2: 502,050 km (0.106 R)
• M3: 1,161,627 km (0.071 R)
• M4: 1,594,713 km (0.028 R)
• M5: 2,255,786 km (0.098 R)
• M6: 2,692,163 km (0.118 R)
• M7: 3,059,725 km (0.032 R)
• M8: 4,175,725 km (0.115 R)
• M9: 4,609,260 km (0.119 R)
• M10: 5,543,947 km (0.055 R)
• M11: 6,217,587 km (0.054 R)
• M12: 6,626,438 km (0.042 R)
• M13: 7,441,596 km (0.095 R)
• M14: 11,157,159 km (0.05 R)
• M15: 14,625,137 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 9.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.49 AU - 3.91 AU

Year: 3883 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,070,392 km

• M1: 114,891 km (0.118 R)
• M2: 465,997 km (0.118 R)
• M3: 794,215 km (0.091 R)
• M4: 1,445,863 km (0.11 R)
• M5: 1,774,081 km (0.079 R)
• M6: 2,448,468 km (0.057 R)
• M7: 3,778,244 km (0.069 R)
• M8: 5,433,095 km (0.111 R)
• M9: 5,825,341 km (0.095 R)
• M10: 6,521,270 km (0.074 R)
• M11: 6,964,678 km (0.061 R)
• M12: 7,459,847 km (0.116 R)
• M13: 8,416,975 km (0.114 R)
• M14: 10,453,750 km (0.117 R)
• M15: 11,311,693 km (0.109 R)
• M16: 12,437,866 km (0.112 R)
• M17: 13,542,347 km (0.068 R)
• M18: 14,861,501 km (0.032 R)
• M19: 15,998,146 km (0.063 R)
• M20: 20,621,917 km (0.083 R)
• M21: 21,064,577 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.5

Radius: 9.5

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.8 AU - 4.18 AU

Year: 4422 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,070,392 km

• M1: 123,867 km (0.106 R)
• M2: 550,819 km (0.11 R)
• M3: 1,012,628 km (0.104 R)
• M4: 1,477,877 km (0.119 R)
• M5: 2,156,603 km (0.098 R)
• M6: 2,610,483 km (0.093 R)
• M7: 3,166,538 km (0.097 R)
• M8: 4,668,501 km (0.088 R)
• M9: 5,403,026 km (0.091 R)
• M10: 5,813,074 km (0.111 R)
• M11: 6,181,085 km (0.103 R)
• M12: 6,862,503 km (0.118 R)
• M13: 7,593,139 km (0.085 R)
• M14: 8,765,538 km (0.045 R)
• M15: 9,457,577 km (0.117 R)
• M16: 11,276,239 km (0.048 R)
• M17: 11,608,645 km (0.04 R)
• M18: 12,144,056 km (0.117 R)
• M19: 12,493,367 km (0.046 R)
• M20: 12,900,722 km (0.111 R)
• M21: 14,675,701 km (0.037 R)
• M22: 18,115,554 km (0.071 R)
• M23: 19,987,472 km (0.111 R)
• M24: 20,898,972 km (0.033 R)
• M25: 26,289,283 km (0.102 R)
• M26: 27,468,563 km (0.025 R)
• M27: 28,947,487 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 8.3

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.15 AU - 4.33 AU

Year: 4906 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 26,070,392 km

• M1: 103,223 km (0.077 R)
• M2: 403,914 km (0.109 R)
• M3: 1,312,123 km (0.119 R)
• M4: 1,587,533 km (0.11 R)
• M5: 2,081,654 km (0.087 R)
• M6: 2,557,675 km (0.075 R)
• M7: 3,123,454 km (0.102 R)
• M8: 3,456,608 km (0.107 R)
• M9: 4,012,065 km (0.113 R)
• M10: 4,801,344 km (0.104 R)
• M11: 6,128,726 km (0.074 R)
• M12: 6,942,239 km (0.12 R)
• M13: 7,341,216 km (0.056 R)
• M14: 8,184,948 km (0.07 R)
• M15: 8,480,105 km (0.1 R)
• M16: 8,744,295 km (0.036 R)
• M17: 9,209,843 km (0.099 R)
• M18: 9,814,967 km (0.106 R)
• M19: 10,403,485 km (0.112 R)
• M20: 10,970,760 km (0.09 R)
• M21: 11,239,438 km (0.091 R)
• M22: 11,697,058 km (0.104 R)
• M23: 12,845,969 km (0.092 R)
• M24: 15,200,340 km (0.104 R)
• M25: 17,828,027 km (0.032 R)
• M26: 18,513,634 km (0.099 R)
• M27: 20,744,288 km (0.096 R)
• M28: 21,018,052 km (0.066 R)
• M29: 23,074,873 km (0.1 R)
• M30: 24,189,826 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 8.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.6 AU - 4.92 AU

Year: 5964 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,070,392 km

• M1: 105,915 km (0.118 R)
• M2: 409,449 km (0.082 R)
• M3: 752,178 km (0.079 R)
• M4: 2,503,371 km (0.069 R)
• M5: 2,801,370 km (0.12 R)
• M6: 3,529,762 km (0.11 R)
• M7: 3,906,000 km (0.088 R)
• M8: 4,813,611 km (0.03 R)
• M9: 7,672,725 km (0.098 R)
• M10: 10,000,318 km (0.058 R)
• M11: 11,059,621 km (0.084 R)
• M12: 11,503,627 km (0.114 R)
• M13: 13,004,842 km (0.117 R)
• M14: 18,845,293 km (0.091 R)
• M15: 22,017,515 km (0.089 R)
• M16: 25,146,804 km (0.111 R)
• M17: 25,528,877 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 14,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit