🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.72 AU

Year: 236 Days

Day: 39.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 63 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.29 AU - 1.77 AU

Year: 815 Days

Day: 44.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,515,795 km

• M1: 31,416 km (0.053 R)
• M2: 314,156 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.4

Radius: 12.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.21 AU - 3.45 AU

Year: 2616 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,515,795 km

• M1: 160,369 km (0.105 R)
• M2: 617,839 km (0.103 R)
• M3: 1,149,959 km (0.063 R)
• M4: 1,623,885 km (0.114 R)
• M5: 2,364,694 km (0.118 R)
• M6: 2,775,190 km (0.045 R)
• M7: 3,268,414 km (0.113 R)
• M8: 4,263,539 km (0.112 R)
• M9: 4,696,625 km (0.118 R)
• M10: 6,965,277 km (0.099 R)
• M11: 7,662,403 km (0.091 R)
• M12: 9,267,438 km (0.076 R)
• M13: 10,187,316 km (0.057 R)
• M14: 10,807,249 km (0.118 R)
• M15: 12,080,327 km (0.078 R)
• M16: 13,177,927 km (0.119 R)
• M17: 14,341,050 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 14.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.4 AU - 5.86 AU

Year: 5001 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,515,795 km

• M1: 178,021 km (0.06 R)
• M2: 668,403 km (0.103 R)
• M3: 1,425,069 km (0.097 R)
• M4: 1,987,557 km (0.118 R)
• M5: 2,471,656 km (0.096 R)
• M6: 2,919,702 km (0.108 R)
• M7: 3,684,446 km (0.068 R)
• M8: 4,501,849 km (0.093 R)
• M9: 7,546,315 km (0.086 R)
• M10: 8,111,047 km (0.117 R)
• M11: 9,453,239 km (0.108 R)
• M12: 9,932,102 km (0.098 R)
• M13: 10,844,499 km (0.082 R)
• M14: 11,663,548 km (0.12 R)
• M15: 14,312,776 km (0.104 R)
• M16: 15,960,298 km (0.101 R)
• M17: 16,766,929 km (0.077 R)
• M18: 17,276,609 km (0.12 R)
• M19: 18,260,365 km (0.027 R)
• M20: 21,510,827 km (0.089 R)
• M21: 22,495,331 km (0.042 R)
• M22: 23,907,685 km (0.105 R)
• M23: 27,696,699 km (0.119 R)
• M24: 29,318,639 km (0.116 R)
• M25: 29,780,149 km (0.062 R)
• M26: 32,652,278 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.7

Radius: 3.3

Gravity: 47.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 12.37 AU - 16.95 AU

Year: 24162 Days

Day: 18.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 159.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,515,795 km

• M1: 42,187 km (0.055 R)
• M2: 154,086 km (0.065 R)
• M3: 265,387 km (0.112 R)
• M4: 461,061 km (0.119 R)
• M5: 746,344 km (0.091 R)
• M6: 1,084,285 km (0.052 R)
• M7: 1,635,703 km (0.116 R)
• M8: 1,743,114 km (0.069 R)
• M9: 3,343,961 km (0.118 R)
• M10: 3,459,152 km (0.027 R)
• M11: 6,315,723 km (0.115 R)
• M12: 9,604,333 km (0.048 R)
• M13: 14,026,895 km (0.116 R)
• M14: 14,402,834 km (0.112 R)
• M15: 15,332,435 km (0.105 R)
• M16: 15,650,929 km (0.118 R)
• M17: 15,811,897 km (0.11 R)
• M18: 17,310,269 km (0.085 R)
• M19: 20,013,502 km (0.056 R)
• M20: 23,718,144 km (0.095 R)
• M21: 31,033,181 km (0.072 R)
• M22: 35,820,612 km (0.088 R)
• M23: 35,960,187 km (0.053 R)
• M24: 36,381,005 km (0.09 R)
• M25: 38,243,050 km (0.051 R)
• M26: 42,311,364 km (0.053 R)
• M27: 48,511,897 km (0.117 R)
• M28: 50,413,734 km (0.068 R)
• M29: 51,649,413 km (0.078 R)
• M30: 53,631,884 km (0.113 R)
• M31: 53,814,543 km (0.032 R)
• M32: 55,104,974 km (0.104 R)
• M33: 59,295,061 km (0.071 R)
• M34: 61,667,533 km (0.106 R)
• M35: 69,379,752 km (0.09 R)
• M36: 71,348,311 km (0.114 R)
• M37: 77,710,110 km (0.11 R)
• M38: 78,178,351 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281

Radius: 7.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 13.72 AU - 18.52 AU

Year: 27859 Days

Day: 22.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,515,795 km

• M1: 99,483 km (0.114 R)
• M2: 488,736 km (0.112 R)
• M3: 3,992,767 km (0.109 R)
• M4: 4,372,447 km (0.084 R)
• M5: 5,775,375 km (0.117 R)
• M6: 6,345,493 km (0.099 R)
• M7: 11,372,281 km (0.083 R)
• M8: 12,006,725 km (0.105 R)
• M9: 13,070,516 km (0.09 R)
• M10: 17,538,854 km (0.067 R)
• M11: 18,213,840 km (0.092 R)
• M12: 19,258,631 km (0.119 R)
• M13: 20,251,064 km (0.059 R)
• M14: 22,831,029 km (0.108 R)
• M15: 24,045,015 km (0.117 R)
• M16: 24,772,809 km (0.089 R)
• M17: 25,837,647 km (0.066 R)
• M18: 27,379,402 km (0.07 R)
• M19: 29,686,949 km (0.062 R)
• M20: 30,766,448 km (0.058 R)
• M21: 33,902,169 km (0.099 R)
• M22: 34,685,164 km (0.099 R)
• M23: 36,695,610 km (0.108 R)
• M24: 41,686,195 km (0.06 R)
• M25: 52,120,197 km (0.116 R)
• M26: 58,772,815 km (0.098 R)
• M27: 59,147,707 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 11,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit