🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.56 AU - 0.66 AU

Year: 303 Days

Day: 38.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 10.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.87 AU - 0.97 AU

Year: 561 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,269,394 km

• M1: 128,056 km (0.114 R)
• M2: 457,171 km (0.063 R)
• M3: 783,594 km (0.034 R)
• M4: 1,104,182 km (0.091 R)
• M5: 1,616,854 km (0.112 R)
• M6: 2,198,790 km (0.112 R)
• M7: 2,696,352 km (0.096 R)
• M8: 3,076,480 km (0.104 R)
• M9: 3,530,809 km (0.116 R)
• M10: 3,987,531 km (0.075 R)
• M11: 4,683,760 km (0.11 R)
• M12: 5,020,056 km (0.108 R)
• M13: 6,729,062 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.4

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.06 AU - 4.42 AU

Year: 4599 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,269,394 km

• M1: 140,772 km (0.052 R)
• M2: 501,901 km (0.118 R)
• M3: 1,232,686 km (0.073 R)
• M4: 1,630,766 km (0.111 R)
• M5: 2,611,829 km (0.063 R)
• M6: 4,281,641 km (0.045 R)
• M7: 4,829,169 km (0.117 R)
• M8: 5,184,913 km (0.101 R)
• M9: 6,881,951 km (0.088 R)
• M10: 7,300,825 km (0.114 R)
• M11: 7,978,653 km (0.114 R)
• M12: 9,149,855 km (0.102 R)
• M13: 10,474,095 km (0.087 R)
• M14: 10,813,532 km (0.041 R)
• M15: 11,380,808 km (0.094 R)
• M16: 12,480,202 km (0.115 R)
• M17: 13,399,780 km (0.071 R)
• M18: 13,952,395 km (0.066 R)
• M19: 15,591,988 km (0.075 R)
• M20: 15,979,446 km (0.105 R)
• M21: 17,653,147 km (0.081 R)
• M22: 18,134,703 km (0.093 R)
• M23: 23,228,809 km (0.08 R)
• M24: 24,026,764 km (0.078 R)
• M25: 24,917,919 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.9

Radius: 4.7

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.1 AU - 9.3 AU

Year: 17743 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,269,394 km

• M1: 58,493 km (0.067 R)
• M2: 531,970 km (0.114 R)
• M3: 712,834 km (0.067 R)
• M4: 1,737,130 km (0.118 R)
• M5: 2,123,243 km (0.032 R)
• M6: 4,787,730 km (0.056 R)
• M7: 6,492,248 km (0.119 R)
• M8: 6,901,099 km (0.116 R)
• M9: 7,457,903 km (0.116 R)
• M10: 8,044,177 km (0.114 R)
• M11: 8,856,643 km (0.084 R)
• M12: 12,406,750 km (0.099 R)
• M13: 18,525,602 km (0.063 R)
• M14: 18,850,977 km (0.115 R)
• M15: 23,246,462 km (0.073 R)
• M16: 24,589,402 km (0.113 R)
• M17: 25,983,205 km (0.097 R)
• M18: 28,171,523 km (0.088 R)
• M19: 33,990,880 km (0.1 R)
• M20: 42,223,101 km (0.068 R)
• M21: 44,217,091 km (0.107 R)
• M22: 48,699,492 km (0.085 R)
• M23: 51,369,216 km (0.058 R)
• M24: 53,311,296 km (0.107 R)
• M25: 53,639,663 km (0.091 R)
• M26: 55,134,146 km (0.11 R)
• M27: 57,169,574 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916

Radius: 4.4

Gravity: 47.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.2 AU - 11.38 AU

Year: 18003 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,269,394 km

• M1: 54,753 km (0.104 R)
• M2: 214,673 km (0.113 R)
• M3: 757,564 km (0.074 R)
• M4: 980,315 km (0.047 R)
• M5: 1,714,541 km (0.117 R)
• M6: 2,039,318 km (0.116 R)
• M7: 3,317,782 km (0.116 R)
• M8: 3,578,381 km (0.042 R)
• M9: 4,978,318 km (0.047 R)
• M10: 5,319,999 km (0.1 R)
• M11: 5,882,188 km (0.037 R)
• M12: 7,806,017 km (0.079 R)
• M13: 8,371,796 km (0.114 R)
• M14: 9,816,911 km (0.097 R)
• M15: 10,414,405 km (0.078 R)
• M16: 16,671,935 km (0.103 R)
• M17: 17,868,568 km (0.065 R)
• M18: 20,240,891 km (0.088 R)
• M19: 21,601,334 km (0.074 R)
• M20: 22,000,910 km (0.078 R)
• M21: 23,229,408 km (0.102 R)
• M22: 26,499,168 km (0.092 R)
• M23: 32,347,398 km (0.075 R)
• M24: 33,531,914 km (0.036 R)
• M25: 33,933,135 km (0.106 R)
• M26: 38,559,749 km (0.09 R)
• M27: 40,946,882 km (0.119 R)
• M28: 42,487,890 km (0.091 R)
• M29: 48,185,624 km (0.11 R)
• M30: 51,128,064 km (0.119 R)
• M31: 54,740,554 km (0.068 R)
• M32: 55,669,407 km (0.119 R)
• M33: 57,941,798 km (0.105 R)
• M34: 70,672,577 km (0.079 R)
• M35: 75,832,357 km (0.059 R)
• M36: 76,292,520 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.2

Radius: 4.6

Gravity: 36.87 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.77 AU - 13.87 AU

Year: 24216 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,269,394 km

• M1: 81,980 km (0.087 R)
• M2: 279,150 km (0.078 R)
• M3: 492,626 km (0.057 R)
• M4: 953,836 km (0.094 R)
• M5: 1,319,902 km (0.066 R)
• M6: 1,912,908 km (0.039 R)
• M7: 2,326,396 km (0.108 R)
• M8: 3,388,392 km (0.077 R)
• M9: 3,793,952 km (0.067 R)
• M10: 4,127,405 km (0.101 R)
• M11: 4,516,509 km (0.111 R)
• M12: 5,085,879 km (0.114 R)
• M13: 5,367,422 km (0.086 R)
• M14: 5,701,923 km (0.101 R)
• M15: 6,982,331 km (0.06 R)
• M16: 7,431,723 km (0.086 R)
• M17: 8,554,904 km (0.106 R)
• M18: 9,423,319 km (0.063 R)
• M19: 10,670,517 km (0.076 R)
• M20: 13,563,889 km (0.106 R)
• M21: 13,949,104 km (0.116 R)
• M22: 14,822,007 km (0.115 R)
• M23: 17,118,036 km (0.047 R)
• M24: 17,567,727 km (0.088 R)
• M25: 18,117,798 km (0.091 R)
• M26: 19,059,966 km (0.115 R)
• M27: 19,543,017 km (0.108 R)
• M28: 23,816,879 km (0.09 R)
• M29: 31,399,546 km (0.032 R)
• M30: 32,208,870 km (0.026 R)
• M31: 39,036,218 km (0.112 R)
• M32: 40,762,577 km (0.049 R)
• M33: 52,388,726 km (0.102 R)
• M34: 55,263,398 km (0.112 R)
• M35: 59,053,460 km (0.06 R)
• M36: 60,285,399 km (0.094 R)
• M37: 65,821,866 km (0.058 R)
• M38: 71,920,074 km (0.102 R)
• M39: 73,089,181 km (0.079 R)
• M40: 87,060,575 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 17,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit