🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.56 AU - 0.6 AU

Year: 290 Days

Day: 32 Hours

Environment

Temp: -118 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 9.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.35 AU - 1.99 AU

Year: 1416 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,248,655 km

• M1: 113,246 km (0.056 R)
• M2: 449,990 km (0.1 R)
• M3: 776,563 km (0.077 R)
• M4: 1,094,159 km (0.074 R)
• M5: 1,447,359 km (0.089 R)
• M6: 1,734,288 km (0.041 R)
• M7: 2,048,593 km (0.109 R)
• M8: 2,780,426 km (0.107 R)
• M9: 3,124,052 km (0.097 R)
• M10: 3,561,028 km (0.099 R)
• M11: 3,880,419 km (0.1 R)
• M12: 5,079,297 km (0.051 R)
• M13: 6,099,404 km (0.12 R)
• M14: 6,885,541 km (0.115 R)
• M15: 9,114,849 km (0.1 R)
• M16: 9,554,966 km (0.092 R)
• M17: 11,749,716 km (0.105 R)
• M18: 12,886,061 km (0.093 R)
• M19: 13,320,643 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.5

Radius: 8.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.72 AU - 2.1 AU

Year: 1732 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,248,655 km

• M1: 111,301 km (0.105 R)
• M2: 388,506 km (0.087 R)
• M3: 1,216,231 km (0.052 R)
• M4: 1,675,646 km (0.103 R)
• M5: 2,054,727 km (0.094 R)
• M6: 2,750,656 km (0.102 R)
• M7: 5,060,447 km (0.078 R)
• M8: 5,546,790 km (0.1 R)
• M9: 8,903,018 km (0.113 R)
• M10: 9,299,452 km (0.112 R)
• M11: 9,835,611 km (0.073 R)
• M12: 10,127,626 km (0.115 R)
• M13: 11,389,933 km (0.064 R)
• M14: 12,114,436 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 14.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.96 AU - 2.02 AU

Year: 1842 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,248,655 km

• M1: 176,525 km (0.101 R)
• M2: 735,124 km (0.1 R)
• M3: 1,304,493 km (0.034 R)
• M4: 1,858,604 km (0.043 R)
• M5: 2,583,555 km (0.068 R)
• M6: 3,177,908 km (0.028 R)
• M7: 4,163,608 km (0.071 R)
• M8: 4,728,639 km (0.099 R)
• M9: 5,506,698 km (0.12 R)
• M10: 6,038,668 km (0.116 R)
• M11: 7,549,457 km (0.045 R)
• M12: 8,024,280 km (0.075 R)
• M13: 10,270,343 km (0.095 R)
• M14: 11,269,058 km (0.117 R)
• M15: 13,246,143 km (0.115 R)
• M16: 16,018,790 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 13.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.43 AU - 3.43 AU

Year: 3290 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,248,655 km

• M1: 210,634 km (0.042 R)
• M2: 639,381 km (0.1 R)
• M3: 1,233,734 km (0.097 R)
• M4: 1,731,296 km (0.072 R)
• M5: 5,901,636 km (0.096 R)
• M6: 6,737,140 km (0.111 R)
• M7: 9,051,419 km (0.109 R)
• M8: 11,444,836 km (0.106 R)
• M9: 12,875,440 km (0.094 R)
• M10: 14,280,912 km (0.064 R)
• M11: 17,664,517 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.7

Radius: 9.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.26 AU - 6.8 AU

Year: 8531 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,248,655 km

• M1: 120,725 km (0.112 R)
• M2: 457,171 km (0.078 R)
• M3: 835,953 km (0.101 R)
• M4: 1,230,442 km (0.111 R)
• M5: 1,709,006 km (0.09 R)
• M6: 2,341,057 km (0.069 R)
• M7: 2,812,889 km (0.087 R)
• M8: 3,432,074 km (0.097 R)
• M9: 4,886,465 km (0.107 R)
• M10: 5,750,991 km (0.083 R)
• M11: 8,161,461 km (0.087 R)
• M12: 11,129,334 km (0.112 R)
• M13: 12,311,456 km (0.107 R)
• M14: 13,197,973 km (0.072 R)
• M15: 15,570,446 km (0.108 R)
• M16: 15,931,126 km (0.113 R)
• M17: 17,110,256 km (0.105 R)
• M18: 19,571,740 km (0.12 R)
• M19: 22,795,275 km (0.064 R)
• M20: 24,290,805 km (0.079 R)
• M21: 25,021,441 km (0.04 R)
• M22: 25,850,512 km (0.086 R)
• M23: 28,987,131 km (0.093 R)
• M24: 30,646,919 km (0.105 R)
• M25: 33,055,744 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 4.5

Gravity: 39.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.36 AU - 7.78 AU

Year: 11047 Days

Day: 17 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,248,655 km

• M1: 55,950 km (0.037 R)
• M2: 307,723 km (0.117 R)
• M3: 647,609 km (0.114 R)
• M4: 1,017,266 km (0.057 R)
• M5: 1,361,041 km (0.112 R)
• M6: 1,651,261 km (0.076 R)
• M7: 1,794,726 km (0.111 R)
• M8: 2,276,281 km (0.064 R)
• M9: 2,663,740 km (0.111 R)
• M10: 3,117,620 km (0.084 R)
• M11: 3,516,448 km (0.113 R)
• M12: 4,385,013 km (0.045 R)
• M13: 5,016,166 km (0.068 R)
• M14: 5,422,624 km (0.112 R)
• M15: 5,562,946 km (0.118 R)
• M16: 5,814,271 km (0.12 R)
• M17: 6,855,472 km (0.115 R)
• M18: 9,551,674 km (0.109 R)
• M19: 11,048,551 km (0.11 R)
• M20: 12,942,609 km (0.089 R)
• M21: 14,430,659 km (0.086 R)
• M22: 15,111,779 km (0.101 R)
• M23: 15,390,180 km (0.096 R)
• M24: 16,611,497 km (0.062 R)
• M25: 19,326,998 km (0.1 R)
• M26: 20,406,496 km (0.11 R)
• M27: 21,004,289 km (0.097 R)
• M28: 21,438,272 km (0.091 R)
• M29: 22,504,157 km (0.099 R)
• M30: 24,358,423 km (0.101 R)
• M31: 26,513,231 km (0.12 R)
• M32: 28,262,778 km (0.065 R)
• M33: 29,327,017 km (0.079 R)
• M34: 30,087,722 km (0.037 R)
• M35: 31,084,942 km (0.103 R)
• M36: 36,155,262 km (0.028 R)
• M37: 43,829,633 km (0.101 R)
• M38: 44,537,979 km (0.051 R)
• M39: 48,344,497 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.9

Radius: 4.5

Gravity: 31.9 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.06 AU - 10.84 AU

Year: 19057 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,248,655 km

• M1: 70,760 km (0.104 R)
• M2: 262,694 km (0.109 R)
• M3: 1,590,375 km (0.04 R)
• M4: 1,780,514 km (0.079 R)
• M5: 1,966,464 km (0.083 R)
• M6: 4,272,814 km (0.117 R)
• M7: 5,253,279 km (0.062 R)
• M8: 5,957,436 km (0.075 R)
• M9: 6,766,910 km (0.098 R)
• M10: 14,361,396 km (0.085 R)
• M11: 15,727,673 km (0.117 R)
• M12: 19,518,184 km (0.114 R)
• M13: 30,148,309 km (0.074 R)
• M14: 32,630,587 km (0.087 R)
• M15: 35,245,857 km (0.094 R)
• M16: 44,704,930 km (0.117 R)
• M17: 49,253,304 km (0.072 R)
• M18: 51,293,520 km (0.081 R)
• M19: 52,334,421 km (0.045 R)
• M20: 55,178,875 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 19,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit