🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 14.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,763,080 km

• M1: 384,467 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.47 AU - 0.67 AU

Year: 278 Days

Day: 47.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 8.9

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.67 AU - 2.81 AU

Year: 2928 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,763,080 km

• M1: 122,820 km (0.083 R)
• M2: 482,453 km (0.102 R)
• M3: 863,030 km (0.11 R)
• M4: 1,340,846 km (0.096 R)
• M5: 2,053,081 km (0.098 R)
• M6: 2,374,717 km (0.08 R)
• M7: 2,811,842 km (0.067 R)
• M8: 3,156,216 km (0.068 R)
• M9: 4,707,097 km (0.077 R)
• M10: 5,069,872 km (0.104 R)
• M11: 5,556,065 km (0.063 R)
• M12: 5,906,423 km (0.048 R)
• M13: 6,242,869 km (0.034 R)
• M14: 6,532,939 km (0.09 R)
• M15: 6,985,024 km (0.032 R)
• M16: 7,329,697 km (0.117 R)
• M17: 8,537,999 km (0.059 R)
• M18: 9,264,147 km (0.094 R)
• M19: 11,516,493 km (0.098 R)
• M20: 15,970,919 km (0.056 R)
• M21: 16,959,611 km (0.095 R)
• M22: 18,877,456 km (0.104 R)
• M23: 19,424,536 km (0.088 R)
• M24: 20,870,997 km (0.116 R)
• M25: 23,000,822 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.8

Radius: 10.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.99 AU - 5.41 AU

Year: 7656 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,763,080 km

• M1: 134,339 km (0.118 R)
• M2: 1,305,690 km (0.117 R)
• M3: 5,868,425 km (0.095 R)
• M4: 7,888,445 km (0.057 R)
• M5: 10,926,628 km (0.103 R)
• M6: 14,041,555 km (0.033 R)
• M7: 16,936,723 km (0.069 R)
• M8: 18,667,869 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.1

Radius: 7.8

Gravity: 13.41 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.55 AU - 6.79 AU

Year: 9896 Days

Day: 22.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,763,080 km

• M1: 99,333 km (0.105 R)
• M2: 590,612 km (0.075 R)
• M3: 1,484,160 km (0.113 R)
• M4: 2,795,535 km (0.067 R)
• M5: 3,320,175 km (0.055 R)
• M6: 3,619,072 km (0.096 R)
• M7: 4,073,400 km (0.095 R)
• M8: 4,595,198 km (0.06 R)
• M9: 5,494,431 km (0.085 R)
• M10: 6,279,670 km (0.104 R)
• M11: 7,680,055 km (0.068 R)
• M12: 8,941,465 km (0.099 R)
• M13: 9,228,842 km (0.084 R)
• M14: 11,360,612 km (0.078 R)
• M15: 14,841,006 km (0.107 R)
• M16: 15,932,772 km (0.091 R)
• M17: 20,176,115 km (0.104 R)
• M18: 22,644,330 km (0.11 R)
• M19: 24,739,748 km (0.07 R)
• M20: 26,961,127 km (0.102 R)
• M21: 28,479,545 km (0.114 R)
• M22: 29,102,471 km (0.052 R)
• M23: 29,417,374 km (0.081 R)
• M24: 38,678,081 km (0.064 R)
• M25: 40,606,696 km (0.077 R)
• M26: 41,395,825 km (0.049 R)
• M27: 42,463,954 km (0.111 R)
• M28: 44,794,240 km (0.105 R)
• M29: 47,934,748 km (0.119 R)
• M30: 48,668,526 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.9

Radius: 4.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.1 AU - 6.72 AU

Year: 10479 Days

Day: 24.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,763,080 km

• M1: 57,146 km (0.099 R)
• M2: 204,650 km (0.095 R)
• M3: 478,863 km (0.085 R)
• M4: 665,860 km (0.072 R)
• M5: 835,355 km (0.079 R)
• M6: 1,489,097 km (0.099 R)
• M7: 5,872,764 km (0.064 R)
• M8: 8,980,510 km (0.096 R)
• M9: 9,814,219 km (0.112 R)
• M10: 11,206,676 km (0.064 R)
• M11: 12,072,997 km (0.09 R)
• M12: 15,224,426 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.2

Radius: 5.7

Gravity: 28.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.72 AU - 9.12 AU

Year: 14391 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,763,080 km

• M1: 71,059 km (0.097 R)
• M2: 280,047 km (0.115 R)
• M3: 517,609 km (0.106 R)
• M4: 1,350,420 km (0.111 R)
• M5: 1,885,980 km (0.116 R)
• M6: 2,294,383 km (0.115 R)
• M7: 3,052,993 km (0.055 R)
• M8: 4,737,914 km (0.104 R)
• M9: 5,490,541 km (0.064 R)
• M10: 6,529,199 km (0.099 R)
• M11: 7,094,829 km (0.09 R)
• M12: 7,787,467 km (0.074 R)
• M13: 12,131,191 km (0.05 R)
• M14: 12,717,764 km (0.117 R)
• M15: 13,529,033 km (0.038 R)
• M16: 13,737,273 km (0.107 R)
• M17: 14,374,411 km (0.094 R)
• M18: 15,329,294 km (0.073 R)
• M19: 16,169,735 km (0.083 R)
• M20: 17,202,110 km (0.083 R)
• M21: 17,858,844 km (0.049 R)
• M22: 20,745,186 km (0.104 R)
• M23: 21,867,469 km (0.05 R)
• M24: 22,540,659 km (0.091 R)
• M25: 25,057,494 km (0.046 R)
• M26: 29,347,961 km (0.108 R)
• M27: 33,975,472 km (0.113 R)
• M28: 34,877,846 km (0.1 R)
• M29: 36,595,828 km (0.086 R)
• M30: 38,093,003 km (0.101 R)
• M31: 40,056,775 km (0.089 R)
• M32: 40,486,270 km (0.065 R)
• M33: 40,918,758 km (0.052 R)
• M34: 47,301,650 km (0.096 R)
• M35: 50,063,376 km (0.032 R)
• M36: 50,895,589 km (0.109 R)
• M37: 57,343,108 km (0.112 R)
• M38: 61,613,678 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.8

Radius: 4.7

Gravity: 21.22 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.7 AU - 13 AU

Year: 23076 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,763,080 km

• M1: 58,493 km (0.083 R)
• M2: 224,098 km (0.072 R)
• M3: 990,787 km (0.064 R)
• M4: 1,461,422 km (0.112 R)
• M5: 2,565,304 km (0.114 R)
• M6: 3,111,486 km (0.075 R)
• M7: 5,918,541 km (0.078 R)
• M8: 8,890,003 km (0.053 R)
• M9: 12,121,467 km (0.093 R)
• M10: 20,299,533 km (0.115 R)
• M11: 20,960,606 km (0.101 R)
• M12: 26,215,830 km (0.054 R)
• M13: 27,226,064 km (0.11 R)
• M14: 31,152,560 km (0.095 R)
• M15: 32,031,447 km (0.036 R)
• M16: 37,795,154 km (0.098 R)
• M17: 40,994,903 km (0.102 R)
• M18: 42,354,299 km (0.065 R)
• M19: 52,368,979 km (0.036 R)
• M20: 53,968,479 km (0.049 R)
• M21: 54,148,146 km (0.093 R)
• M22: 56,705,970 km (0.065 R)
• M23: 58,014,653 km (0.095 R)
• M24: 58,961,607 km (0.047 R)
• M25: 60,886,483 km (0.099 R)
• M26: 62,258,445 km (0.106 R)
• M27: 66,704,494 km (0.066 R)
• M28: 69,004,860 km (0.049 R)
• M29: 72,226,151 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 10,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit