🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1 AU - 1.22 AU

Year: 417 Days

Day: 17 Hours

Environment

Temp: 37 °C

Axial Tilt: 176.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,754,058 km

• M1: 114,143 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.15 AU - 1.37 AU

Year: 504 Days

Day: 23 Hours

Environment

Temp: 13 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.05 AU - 4.01 AU

Year: 2364 Days

Day: 22.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,754,058 km

• M1: 874,250 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.15 AU - 4.59 AU

Year: 2714 Days

Day: 14.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,754,058 km

• M1: 457,769 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.19 AU - 4.75 AU

Year: 3369 Days

Day: 25.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,754,058 km

• M1: 178,321 km (0.098 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 11.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.19 AU - 9.33 AU

Year: 9242 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,754,058 km

• M1: 141,669 km (0.104 R)
• M2: 571,913 km (0.081 R)
• M3: 1,526,347 km (0.044 R)
• M4: 2,433,209 km (0.071 R)
• M5: 4,294,656 km (0.041 R)
• M6: 4,709,640 km (0.064 R)
• M7: 5,416,490 km (0.064 R)
• M8: 6,802,365 km (0.115 R)
• M9: 8,142,313 km (0.115 R)
• M10: 10,790,794 km (0.101 R)
• M11: 12,428,142 km (0.078 R)
• M12: 17,347,369 km (0.088 R)
• M13: 23,430,467 km (0.102 R)
• M14: 28,364,654 km (0.05 R)
• M15: 30,691,948 km (0.118 R)
• M16: 31,569,040 km (0.074 R)
• M17: 34,888,617 km (0.104 R)
• M18: 38,308,275 km (0.098 R)
• M19: 43,434,695 km (0.087 R)
• M20: 44,819,223 km (0.077 R)
• M21: 50,047,668 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.6

Radius: 6.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 12.94 AU - 19.26 AU

Year: 23027 Days

Day: 18.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,754,058 km

• M1: 79,586 km (0.059 R)
• M2: 1,717,533 km (0.091 R)
• M3: 2,851,635 km (0.099 R)
• M4: 3,151,728 km (0.08 R)
• M5: 4,209,235 km (0.116 R)
• M6: 5,078,249 km (0.048 R)
• M7: 6,287,449 km (0.113 R)
• M8: 6,637,209 km (0.044 R)
• M9: 6,837,221 km (0.083 R)
• M10: 7,590,446 km (0.109 R)
• M11: 8,351,451 km (0.094 R)
• M12: 10,664,533 km (0.105 R)
• M13: 11,791,603 km (0.061 R)
• M14: 13,183,612 km (0.113 R)
• M15: 14,346,735 km (0.103 R)
• M16: 17,099,037 km (0.116 R)
• M17: 20,520,041 km (0.091 R)
• M18: 38,247,089 km (0.106 R)
• M19: 38,503,799 km (0.103 R)
• M20: 43,323,992 km (0.03 R)
• M21: 48,681,541 km (0.114 R)
• M22: 52,541,166 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.7

Radius: 3.7

Gravity: 52.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 13.84 AU - 19.84 AU

Year: 24633 Days

Day: 15.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 88,754,058 km

• M1: 46,076 km (0.057 R)
• M2: 589,715 km (0.114 R)
• M3: 990,637 km (0.072 R)
• M4: 1,931,458 km (0.059 R)
• M5: 2,187,270 km (0.063 R)
• M6: 3,381,061 km (0.103 R)
• M7: 3,981,248 km (0.113 R)
• M8: 4,289,121 km (0.113 R)
• M9: 5,308,032 km (0.05 R)
• M10: 5,513,130 km (0.031 R)
• M11: 6,026,700 km (0.108 R)
• M12: 6,478,336 km (0.119 R)
• M13: 7,148,235 km (0.101 R)
• M14: 8,402,015 km (0.07 R)
• M15: 8,680,566 km (0.062 R)
• M16: 9,255,919 km (0.108 R)
• M17: 9,917,890 km (0.114 R)
• M18: 10,740,080 km (0.101 R)
• M19: 14,248,449 km (0.089 R)
• M20: 14,804,804 km (0.082 R)
• M21: 18,731,897 km (0.039 R)
• M22: 20,479,649 km (0.09 R)
• M23: 21,290,021 km (0.096 R)
• M24: 21,911,899 km (0.119 R)
• M25: 27,206,766 km (0.088 R)
• M26: 27,327,941 km (0.074 R)
• M27: 37,619,676 km (0.115 R)
• M28: 38,986,701 km (0.075 R)
• M29: 41,019,437 km (0.084 R)
• M30: 41,980,902 km (0.091 R)
• M31: 50,038,244 km (0.114 R)
• M32: 51,135,694 km (0.084 R)
• M33: 57,858,323 km (0.117 R)
• M34: 59,269,928 km (0.112 R)
• M35: 63,216,919 km (0.045 R)
• M36: 67,779,205 km (0.086 R)
• M37: 68,672,454 km (0.093 R)
• M38: 69,347,439 km (0.051 R)
• M39: 70,254,302 km (0.079 R)
• M40: 72,323,539 km (0.108 R)
• M41: 77,795,680 km (0.092 R)
• M42: 82,519,083 km (0.108 R)
• M43: 85,858,706 km (0.109 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 18,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit