🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.97 AU - 1.17 AU

Year: 424 Days

Day: 34.3 Hours

Environment

Temp: -11 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 99,523,605 km

• M1: 10,472 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.83 AU - 3.15 AU

Year: 1980 Days

Day: 30.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.49 AU - 3.91 AU

Year: 2192 Days

Day: 46.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 12.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.03 AU - 6.67 AU

Year: 5418 Days

Day: 11.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 99,523,605 km

• M1: 153,039 km (0.037 R)
• M2: 860,337 km (0.11 R)
• M3: 1,463,666 km (0.047 R)
• M4: 1,993,392 km (0.103 R)
• M5: 2,988,965 km (0.062 R)
• M6: 7,243,978 km (0.085 R)
• M7: 8,365,064 km (0.049 R)
• M8: 13,749,540 km (0.068 R)
• M9: 16,526,226 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 13.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.87 AU - 9.65 AU

Year: 9089 Days

Day: 10 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,523,605 km

• M1: 167,849 km (0.113 R)
• M2: 617,390 km (0.07 R)
• M3: 1,105,229 km (0.08 R)
• M4: 1,620,743 km (0.115 R)
• M5: 3,134,225 km (0.096 R)
• M6: 3,636,874 km (0.072 R)
• M7: 4,221,353 km (0.104 R)
• M8: 4,655,336 km (0.046 R)
• M9: 6,472,352 km (0.09 R)
• M10: 7,012,550 km (0.091 R)
• M11: 7,499,341 km (0.112 R)
• M12: 8,909,002 km (0.108 R)
• M13: 10,230,400 km (0.041 R)
• M14: 12,481,399 km (0.09 R)
• M15: 13,942,970 km (0.118 R)
• M16: 18,017,568 km (0.097 R)
• M17: 20,366,853 km (0.089 R)
• M18: 25,381,224 km (0.115 R)
• M19: 25,952,837 km (0.104 R)
• M20: 27,619,058 km (0.063 R)
• M21: 28,837,383 km (0.081 R)
• M22: 30,731,741 km (0.074 R)
• M23: 32,819,978 km (0.04 R)
• M24: 39,142,881 km (0.103 R)
• M25: 44,146,332 km (0.025 R)
• M26: 46,943,812 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.4

Radius: 5.5

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 13.48 AU - 20.14 AU

Year: 26389 Days

Day: 17.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 99,523,605 km

• M1: 70,161 km (0.092 R)
• M2: 356,941 km (0.086 R)
• M3: 1,003,353 km (0.091 R)
• M4: 1,426,117 km (0.09 R)
• M5: 1,650,962 km (0.107 R)
• M6: 2,064,600 km (0.081 R)
• M7: 2,495,891 km (0.034 R)
• M8: 2,694,557 km (0.082 R)
• M9: 2,877,216 km (0.057 R)
• M10: 3,067,953 km (0.086 R)
• M11: 3,852,145 km (0.115 R)
• M12: 6,248,254 km (0.055 R)
• M13: 7,496,798 km (0.102 R)
• M14: 8,072,002 km (0.103 R)
• M15: 8,508,528 km (0.027 R)
• M16: 9,309,924 km (0.064 R)
• M17: 13,022,495 km (0.116 R)
• M18: 14,084,640 km (0.066 R)
• M19: 15,533,495 km (0.102 R)
• M20: 19,391,474 km (0.101 R)
• M21: 20,874,588 km (0.07 R)
• M22: 21,180,067 km (0.08 R)
• M23: 23,293,286 km (0.106 R)
• M24: 25,659,176 km (0.099 R)
• M25: 27,322,555 km (0.046 R)
• M26: 30,862,190 km (0.106 R)
• M27: 31,258,625 km (0.081 R)
• M28: 33,849,061 km (0.116 R)
• M29: 36,578,923 km (0.092 R)
• M30: 37,321,078 km (0.037 R)
• M31: 39,142,881 km (0.115 R)
• M32: 57,479,092 km (0.117 R)
• M33: 65,827,701 km (0.092 R)
• M34: 67,145,807 km (0.05 R)
• M35: 78,575,234 km (0.091 R)
• M36: 79,067,561 km (0.102 R)
• M37: 83,334,541 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.3

Radius: 3.5

Gravity: 69.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 13.31 AU - 20.69 AU

Year: 26838 Days

Day: 21.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 99,523,605 km

• M1: 43,533 km (0.119 R)
• M2: 747,690 km (0.109 R)
• M3: 2,204,025 km (0.099 R)
• M4: 2,494,993 km (0.091 R)
• M5: 3,007,067 km (0.074 R)
• M6: 4,093,147 km (0.098 R)
• M7: 5,247,744 km (0.091 R)
• M8: 7,952,922 km (0.092 R)
• M9: 8,460,059 km (0.078 R)
• M10: 8,869,059 km (0.093 R)
• M11: 10,772,543 km (0.066 R)
• M12: 10,908,228 km (0.059 R)
• M13: 12,703,702 km (0.106 R)
• M14: 16,325,167 km (0.111 R)
• M15: 17,234,572 km (0.051 R)
• M16: 17,420,373 km (0.106 R)
• M17: 19,857,621 km (0.118 R)
• M18: 20,787,821 km (0.115 R)
• M19: 21,963,810 km (0.114 R)
• M20: 22,958,336 km (0.099 R)
• M21: 24,918,218 km (0.047 R)
• M22: 34,605,727 km (0.107 R)
• M23: 39,061,949 km (0.048 R)
• M24: 40,847,549 km (0.108 R)
• M25: 44,755,345 km (0.03 R)
• M26: 44,930,673 km (0.08 R)
• M27: 56,514,784 km (0.072 R)
• M28: 56,719,584 km (0.119 R)
• M29: 60,921,339 km (0.083 R)
• M30: 61,136,760 km (0.056 R)
• M31: 61,568,948 km (0.108 R)
• M32: 63,760,856 km (0.104 R)
• M33: 67,375,291 km (0.115 R)
• M34: 68,765,055 km (0.028 R)
• M35: 73,049,089 km (0.104 R)
• M36: 74,024,617 km (0.072 R)
• M37: 75,504,140 km (0.102 R)
• M38: 76,251,381 km (0.09 R)
• M39: 77,507,405 km (0.116 R)
• M40: 79,033,004 km (0.101 R)
• M41: 80,061,040 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit