🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 39.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 10.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.67 AU - 0.95 AU

Year: 471 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,391,729 km

• M1: 133,142 km (0.102 R)
• M2: 566,527 km (0.089 R)
• M3: 943,963 km (0.086 R)
• M4: 1,335,311 km (0.116 R)
• M5: 2,267,605 km (0.106 R)
• M6: 2,671,668 km (0.065 R)
• M7: 3,170,727 km (0.064 R)
• M8: 3,588,255 km (0.115 R)
• M9: 4,183,355 km (0.057 R)
• M10: 4,610,606 km (0.11 R)
• M11: 5,115,798 km (0.106 R)
• M12: 5,518,815 km (0.119 R)
• M13: 5,924,674 km (0.102 R)
• M14: 6,293,882 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 13.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.83 AU - 1.37 AU

Year: 745 Days

Day: 6.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,391,729 km

• M1: 171,738 km (0.067 R)
• M2: 846,724 km (0.088 R)
• M3: 1,342,192 km (0.078 R)
• M4: 2,099,307 km (0.095 R)
• M5: 2,809,448 km (0.057 R)
• M6: 3,295,491 km (0.08 R)
• M7: 4,411,342 km (0.099 R)
• M8: 4,845,026 km (0.12 R)
• M9: 5,387,169 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.6

Radius: 14.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.61 AU - 1.85 AU

Year: 1469 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 91.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,391,729 km

• M1: 175,329 km (0.106 R)
• M2: 857,794 km (0.101 R)
• M3: 1,419,085 km (0.056 R)
• M4: 2,235,291 km (0.101 R)
• M5: 3,582,719 km (0.1 R)
• M6: 4,087,463 km (0.056 R)
• M7: 5,035,464 km (0.108 R)
• M8: 5,561,899 km (0.097 R)
• M9: 6,086,539 km (0.116 R)
• M10: 6,809,545 km (0.077 R)
• M11: 7,301,124 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213

Radius: 8.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.06 AU - 2.22 AU

Year: 2021 Days

Day: 7.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,391,729 km

• M1: 110,702 km (0.029 R)
• M2: 434,283 km (0.103 R)
• M3: 862,731 km (0.074 R)
• M4: 1,146,967 km (0.1 R)
• M5: 1,486,704 km (0.113 R)
• M6: 2,226,914 km (0.095 R)
• M7: 2,636,662 km (0.115 R)
• M8: 3,828,210 km (0.065 R)
• M9: 4,107,808 km (0.093 R)
• M10: 4,708,144 km (0.074 R)
• M11: 5,166,362 km (0.12 R)
• M12: 5,674,846 km (0.11 R)
• M13: 6,216,540 km (0.048 R)
• M14: 7,056,532 km (0.088 R)
• M15: 7,996,605 km (0.096 R)
• M16: 8,846,769 km (0.103 R)
• M17: 9,249,936 km (0.043 R)
• M18: 9,755,876 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858

Radius: 3

Gravity: 95.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.09 AU - 12.89 AU

Year: 23524 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,391,729 km

• M1: 37,250 km (0.103 R)
• M2: 149,149 km (0.084 R)
• M3: 282,590 km (0.046 R)
• M4: 478,264 km (0.077 R)
• M5: 824,284 km (0.079 R)
• M6: 1,253,481 km (0.086 R)
• M7: 1,364,333 km (0.075 R)
• M8: 1,587,981 km (0.109 R)
• M9: 2,152,115 km (0.093 R)
• M10: 2,288,548 km (0.115 R)
• M11: 3,144,547 km (0.078 R)
• M12: 4,590,111 km (0.12 R)
• M13: 4,854,900 km (0.097 R)
• M14: 4,971,436 km (0.1 R)
• M15: 5,456,433 km (0.063 R)
• M16: 7,099,765 km (0.1 R)
• M17: 7,819,182 km (0.116 R)
• M18: 9,163,318 km (0.112 R)
• M19: 9,704,713 km (0.086 R)
• M20: 11,525,319 km (0.098 R)
• M21: 13,561,047 km (0.099 R)
• M22: 15,909,285 km (0.094 R)
• M23: 16,426,893 km (0.091 R)
• M24: 19,868,692 km (0.066 R)
• M25: 24,550,955 km (0.114 R)
• M26: 28,888,994 km (0.043 R)
• M27: 29,917,779 km (0.09 R)
• M28: 30,441,222 km (0.068 R)
• M29: 30,970,798 km (0.061 R)
• M30: 40,776,191 km (0.054 R)
• M31: 41,097,078 km (0.076 R)
• M32: 42,561,342 km (0.05 R)
• M33: 47,338,900 km (0.091 R)
• M34: 51,147,961 km (0.042 R)
• M35: 51,521,058 km (0.029 R)
• M36: 74,232,259 km (0.045 R)
• M37: 74,950,328 km (0.096 R)
• M38: 76,157,284 km (0.091 R)
• M39: 79,605,515 km (0.032 R)
• M40: 87,608,253 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 14,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit