🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 9.7

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.63 AU - 0.75 AU

Year: 370 Days

Day: 11 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,242,838 km

• M1: 120,725 km (0.1 R)
• M2: 439,070 km (0.095 R)
• M3: 858,393 km (0.108 R)
• M4: 1,237,025 km (0.036 R)
• M5: 1,889,720 km (0.102 R)
• M6: 2,238,283 km (0.048 R)
• M7: 2,572,485 km (0.102 R)
• M8: 3,635,827 km (0.096 R)
• M9: 4,341,181 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 12.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.17 AU - 1.59 AU

Year: 1047 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,242,838 km

• M1: 156,928 km (0.109 R)
• M2: 644,168 km (0.092 R)
• M3: 1,146,967 km (0.047 R)
• M4: 1,560,904 km (0.115 R)
• M5: 2,452,358 km (0.088 R)
• M6: 3,598,726 km (0.119 R)
• M7: 4,319,639 km (0.088 R)
• M8: 5,119,688 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.2

Radius: 13.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.91 AU - 2.05 AU

Year: 1799 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,242,838 km

• M1: 169,195 km (0.092 R)
• M2: 920,326 km (0.064 R)
• M3: 1,403,677 km (0.058 R)
• M4: 2,004,163 km (0.055 R)
• M5: 2,677,203 km (0.048 R)
• M6: 3,748,773 km (0.114 R)
• M7: 4,326,221 km (0.1 R)
• M8: 4,962,760 km (0.086 R)
• M9: 5,845,686 km (0.113 R)
• M10: 6,524,262 km (0.085 R)
• M11: 6,961,537 km (0.049 R)
• M12: 7,612,288 km (0.093 R)
• M13: 8,156,076 km (0.114 R)
• M14: 9,130,556 km (0.1 R)
• M15: 10,113,265 km (0.086 R)
• M16: 14,029,588 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 11

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.92 AU - 2.8 AU

Year: 2341 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,242,838 km

• M1: 136,732 km (0.119 R)
• M2: 540,647 km (0.083 R)
• M3: 924,066 km (0.101 R)
• M4: 1,521,560 km (0.038 R)
• M5: 2,130,872 km (0.102 R)
• M6: 2,524,614 km (0.097 R)
• M7: 2,910,875 km (0.086 R)
• M8: 4,009,522 km (0.074 R)
• M9: 4,615,244 km (0.065 R)
• M10: 5,176,086 km (0.066 R)
• M11: 5,737,078 km (0.111 R)
• M12: 6,803,861 km (0.09 R)
• M13: 7,612,437 km (0.112 R)
• M14: 8,367,906 km (0.073 R)
• M15: 8,808,771 km (0.116 R)
• M16: 10,192,103 km (0.119 R)
• M17: 10,661,242 km (0.087 R)
• M18: 11,606,850 km (0.026 R)
• M19: 12,837,592 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.2

Radius: 12.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.29 AU - 5.97 AU

Year: 7502 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,242,838 km

• M1: 154,235 km (0.092 R)
• M2: 587,920 km (0.09 R)
• M3: 1,434,793 km (0.078 R)
• M4: 1,863,241 km (0.106 R)
• M5: 2,488,261 km (0.072 R)
• M6: 3,363,559 km (0.101 R)
• M7: 4,547,177 km (0.091 R)
• M8: 4,957,823 km (0.064 R)
• M9: 5,457,480 km (0.063 R)
• M10: 8,612,349 km (0.109 R)
• M11: 10,702,531 km (0.042 R)
• M12: 12,820,986 km (0.088 R)
• M13: 13,346,972 km (0.087 R)
• M14: 13,887,470 km (0.042 R)
• M15: 17,944,265 km (0.055 R)
• M16: 19,506,515 km (0.106 R)
• M17: 24,290,805 km (0.097 R)
• M18: 25,644,665 km (0.083 R)
• M19: 26,480,917 km (0.096 R)
• M20: 32,635,075 km (0.074 R)
• M21: 35,525,605 km (0.069 R)
• M22: 36,216,149 km (0.057 R)
• M23: 37,268,719 km (0.1 R)
• M24: 40,299,572 km (0.1 R)
• M25: 43,360,195 km (0.091 R)
• M26: 43,753,338 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.5

Radius: 5

Gravity: 28.74 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.07 AU - 11.17 AU

Year: 22346 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,242,838 km

• M1: 62,682 km (0.095 R)
• M2: 660,175 km (0.077 R)
• M3: 866,022 km (0.104 R)
• M4: 1,022,352 km (0.111 R)
• M5: 1,377,497 km (0.093 R)
• M6: 1,811,032 km (0.106 R)
• M7: 2,970,715 km (0.109 R)
• M8: 4,413,736 km (0.049 R)
• M9: 4,996,419 km (0.052 R)
• M10: 5,628,919 km (0.039 R)
• M11: 6,402,639 km (0.106 R)
• M12: 7,441,746 km (0.079 R)
• M13: 10,397,501 km (0.118 R)
• M14: 11,161,198 km (0.097 R)
• M15: 11,690,774 km (0.063 R)
• M16: 15,629,387 km (0.117 R)
• M17: 16,041,230 km (0.093 R)
• M18: 16,886,458 km (0.078 R)
• M19: 17,672,296 km (0.079 R)
• M20: 19,505,169 km (0.075 R)
• M21: 20,369,994 km (0.032 R)
• M22: 20,861,273 km (0.084 R)
• M23: 26,915,350 km (0.06 R)
• M24: 27,865,745 km (0.086 R)
• M25: 28,349,245 km (0.038 R)
• M26: 31,498,879 km (0.031 R)
• M27: 31,891,872 km (0.068 R)
• M28: 34,874,106 km (0.066 R)
• M29: 35,860,554 km (0.098 R)
• M30: 48,314,727 km (0.113 R)
• M31: 49,012,302 km (0.12 R)
• M32: 51,688,308 km (0.12 R)
• M33: 54,460,058 km (0.104 R)
• M34: 55,595,954 km (0.093 R)
• M35: 56,169,662 km (0.085 R)
• M36: 63,158,875 km (0.09 R)
• M37: 63,783,595 km (0.104 R)
• M38: 68,491,291 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 15,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit