🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.56 AU - 0.62 AU

Year: 202 Days

Day: 42 Hours

Environment

Temp: -6 °C

Axial Tilt: 27.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.74 AU - 1 AU

Year: 362 Days

Day: 43.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,530,276 km

• M1: 856,897 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.67 AU - 2.17 AU

Year: 1187 Days

Day: 18.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,530,276 km

• M1: 34,707 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.1

Radius: 10.9

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.56 AU - 4.12 AU

Year: 2724 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,530,276 km

• M1: 136,583 km (0.102 R)
• M2: 504,743 km (0.043 R)
• M3: 1,052,271 km (0.09 R)
• M4: 1,406,070 km (0.032 R)
• M5: 1,963,322 km (0.1 R)
• M6: 3,319,278 km (0.092 R)
• M7: 3,814,147 km (0.075 R)
• M8: 4,292,412 km (0.038 R)
• M9: 4,694,381 km (0.065 R)
• M10: 5,072,864 km (0.057 R)
• M11: 5,972,396 km (0.094 R)
• M12: 7,157,809 km (0.093 R)
• M13: 12,438,764 km (0.059 R)
• M14: 13,259,607 km (0.068 R)
• M15: 13,731,140 km (0.11 R)
• M16: 14,858,061 km (0.083 R)
• M17: 15,264,219 km (0.051 R)
• M18: 15,887,294 km (0.05 R)
• M19: 17,463,158 km (0.057 R)
• M20: 19,621,855 km (0.102 R)
• M21: 20,296,691 km (0.092 R)
• M22: 21,241,551 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 8.6

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.06 AU - 10.06 AU

Year: 12169 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,530,276 km

• M1: 106,962 km (0.11 R)
• M2: 437,574 km (0.105 R)
• M3: 845,677 km (0.039 R)
• M4: 2,236,039 km (0.098 R)
• M5: 2,797,181 km (0.082 R)
• M6: 3,501,039 km (0.057 R)
• M7: 4,080,880 km (0.111 R)
• M8: 4,627,661 km (0.076 R)
• M9: 5,755,928 km (0.111 R)
• M10: 6,286,402 km (0.057 R)
• M11: 6,890,478 km (0.084 R)
• M12: 7,488,720 km (0.098 R)
• M13: 9,236,771 km (0.119 R)
• M14: 11,240,934 km (0.092 R)
• M15: 11,591,292 km (0.088 R)
• M16: 15,435,508 km (0.086 R)
• M17: 15,795,890 km (0.036 R)
• M18: 16,088,204 km (0.077 R)
• M19: 16,683,753 km (0.04 R)
• M20: 17,526,587 km (0.103 R)
• M21: 18,156,993 km (0.111 R)
• M22: 18,966,317 km (0.111 R)
• M23: 20,225,034 km (0.093 R)
• M24: 24,627,101 km (0.111 R)
• M25: 37,945,051 km (0.09 R)
• M26: 39,132,858 km (0.092 R)
• M27: 41,305,618 km (0.105 R)
• M28: 42,845,129 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.7

Radius: 7.6

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 15.45 AU - 16.67 AU

Year: 28719 Days

Day: 24.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,530,276 km

• M1: 96,341 km (0.074 R)
• M2: 380,427 km (0.116 R)
• M3: 1,277,566 km (0.097 R)
• M4: 2,337,616 km (0.079 R)
• M5: 2,664,188 km (0.081 R)
• M6: 3,211,268 km (0.116 R)
• M7: 3,799,786 km (0.069 R)
• M8: 4,286,727 km (0.059 R)
• M9: 4,669,698 km (0.102 R)
• M10: 5,464,361 km (0.112 R)
• M11: 5,999,623 km (0.056 R)
• M12: 7,367,845 km (0.098 R)
• M13: 7,816,190 km (0.048 R)
• M14: 8,603,523 km (0.108 R)
• M15: 9,044,538 km (0.1 R)
• M16: 9,327,726 km (0.07 R)
• M17: 13,941,175 km (0.075 R)
• M18: 14,549,739 km (0.111 R)
• M19: 15,175,806 km (0.114 R)
• M20: 19,037,227 km (0.107 R)
• M21: 21,342,530 km (0.103 R)
• M22: 21,643,222 km (0.119 R)
• M23: 22,355,756 km (0.09 R)
• M24: 23,294,782 km (0.051 R)
• M25: 25,587,669 km (0.087 R)
• M26: 28,267,116 km (0.097 R)
• M27: 32,166,534 km (0.057 R)
• M28: 34,176,082 km (0.114 R)
• M29: 35,984,122 km (0.026 R)
• M30: 38,591,613 km (0.048 R)
• M31: 40,093,277 km (0.038 R)
• M32: 44,017,079 km (0.064 R)
• M33: 44,667,830 km (0.111 R)
• M34: 45,655,924 km (0.091 R)
• M35: 51,352,012 km (0.083 R)
• M36: 59,461,114 km (0.054 R)
• M37: 60,656,401 km (0.062 R)
• M38: 62,889,299 km (0.096 R)
• M39: 72,594,910 km (0.103 R)
• M40: 80,556,957 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 12,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit