🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 13.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 14.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.97 AU - 1.25 AU

Year: 755 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,192,230 km

• M1: 225,743 km (0.107 R)
• M2: 337,493 km (0.107 R)
• M3: 602,431 km (0.112 R)
• M4: 795,861 km (0.11 R)
• M5: 902,973 km (0.093 R)
• M6: 1,025,793 km (0.119 R)
• M7: 1,151,305 km (0.09 R)
• M8: 1,403,527 km (0.101 R)
• M9: 1,524,851 km (0.08 R)
• M10: 1,641,687 km (0.12 R)
• M11: 1,846,337 km (0.083 R)
• M12: 2,086,442 km (0.092 R)
• M13: 2,244,866 km (0.066 R)
• M14: 2,617,364 km (0.079 R)
• M15: 2,773,993 km (0.05 R)
• M16: 2,868,539 km (0.088 R)
• M17: 2,979,391 km (0.077 R)
• M18: 3,112,234 km (0.089 R)
• M19: 3,278,737 km (0.103 R)
• M20: 3,373,582 km (0.105 R)
• M21: 3,718,704 km (0.058 R)
• M22: 3,845,712 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233

Radius: 12.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.63 AU - 3.13 AU

Year: 3156 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 80,192,230 km

• M1: 163,062 km (0.115 R)
• M2: 246,986 km (0.038 R)
• M3: 351,854 km (0.118 R)
• M4: 526,285 km (0.098 R)
• M5: 734,526 km (0.099 R)
• M6: 895,343 km (0.074 R)
• M7: 1,114,055 km (0.117 R)
• M8: 1,360,892 km (0.054 R)
• M9: 1,573,470 km (0.069 R)
• M10: 1,808,339 km (0.106 R)
• M11: 2,112,621 km (0.082 R)
• M12: 2,324,751 km (0.037 R)
• M13: 2,531,645 km (0.079 R)
• M14: 2,732,106 km (0.108 R)
• M15: 3,122,108 km (0.116 R)
• M16: 3,202,442 km (0.11 R)
• M17: 3,447,184 km (0.103 R)
• M18: 3,599,923 km (0.12 R)
• M19: 3,783,330 km (0.049 R)
• M20: 4,027,923 km (0.05 R)
• M21: 4,578,293 km (0.065 R)
• M22: 5,089,469 km (0.105 R)
• M23: 5,216,179 km (0.097 R)
• M24: 5,295,914 km (0.091 R)
• M25: 5,651,508 km (0.08 R)
• M26: 5,981,671 km (0.106 R)
• M27: 6,081,901 km (0.097 R)
• M28: 6,165,975 km (0.049 R)
• M29: 6,437,496 km (0.07 R)
• M30: 6,747,612 km (0.073 R)
• M31: 6,852,031 km (0.107 R)
• M32: 7,418,409 km (0.071 R)
• M33: 7,526,418 km (0.056 R)
• M34: 7,780,136 km (0.104 R)
• M35: 8,445,847 km (0.103 R)
• M36: 8,747,586 km (0.112 R)
• M37: 8,842,730 km (0.102 R)
• M38: 9,091,362 km (0.053 R)
• M39: 9,498,118 km (0.11 R)
• M40: 9,733,286 km (0.08 R)
• M41: 9,890,962 km (0.103 R)
• M42: 10,089,479 km (0.103 R)
• M43: 10,229,203 km (0.06 R)
• M44: 11,287,309 km (0.037 R)
• M45: 12,294,701 km (0.071 R)
• M46: 12,852,551 km (0.116 R)
• M47: 13,047,477 km (0.08 R)
• M48: 13,770,933 km (0.089 R)
• M49: 13,948,206 km (0.083 R)
• M50: 14,104,087 km (0.094 R)
• M51: 15,051,042 km (0.054 R)
• M52: 15,256,739 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.4

Radius: 3

Gravity: 67.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 10.06 AU - 11.58 AU

Year: 22980 Days

Day: 19.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 80,192,230 km

• M1: 50,414 km (0.096 R)
• M2: 654,640 km (0.088 R)
• M3: 854,054 km (0.116 R)
• M4: 1,043,146 km (0.092 R)
• M5: 1,396,347 km (0.111 R)
• M6: 1,458,579 km (0.114 R)
• M7: 1,490,144 km (0.074 R)
• M8: 1,650,813 km (0.039 R)
• M9: 2,421,541 km (0.069 R)
• M10: 3,579,727 km (0.117 R)
• M11: 3,622,213 km (0.062 R)
• M12: 4,834,255 km (0.028 R)
• M13: 4,976,074 km (0.034 R)
• M14: 5,955,641 km (0.1 R)
• M15: 6,571,086 km (0.085 R)
• M16: 8,308,367 km (0.111 R)
• M17: 8,535,007 km (0.099 R)
• M18: 9,285,390 km (0.098 R)
• M19: 9,461,617 km (0.088 R)
• M20: 9,520,558 km (0.05 R)
• M21: 9,638,890 km (0.076 R)
• M22: 10,177,143 km (0.081 R)
• M23: 10,480,378 km (0.098 R)
• M24: 12,232,767 km (0.087 R)
• M25: 12,361,422 km (0.092 R)
• M26: 13,076,649 km (0.031 R)
• M27: 15,370,732 km (0.047 R)
• M28: 16,848,311 km (0.05 R)
• M29: 17,206,747 km (0.104 R)
• M30: 18,223,564 km (0.118 R)
• M31: 20,467,382 km (0.047 R)
• M32: 21,157,328 km (0.1 R)
• M33: 23,351,928 km (0.117 R)
• M34: 23,511,400 km (0.098 R)
• M35: 23,671,170 km (0.043 R)
• M36: 23,751,355 km (0.115 R)
• M37: 24,153,025 km (0.061 R)
• M38: 24,395,074 km (0.058 R)
• M39: 26,112,159 km (0.065 R)
• M40: 30,093,556 km (0.072 R)
• M41: 30,615,354 km (0.096 R)
• M42: 30,877,300 km (0.068 R)
• M43: 33,537,599 km (0.042 R)
• M44: 34,259,259 km (0.1 R)
• M45: 34,712,989 km (0.074 R)
• M46: 37,850,206 km (0.064 R)
• M47: 37,943,705 km (0.074 R)
• M48: 38,507,240 km (0.107 R)
• M49: 38,884,376 km (0.07 R)
• M50: 39,073,318 km (0.115 R)
• M51: 40,214,002 km (0.037 R)
• M52: 40,596,673 km (0.12 R)
• M53: 41,076,583 km (0.108 R)
• M54: 45,181,998 km (0.076 R)
• M55: 45,978,606 km (0.116 R)
• M56: 47,182,271 km (0.055 R)
• M57: 48,193,253 km (0.087 R)
• M58: 48,599,711 km (0.113 R)
• M59: 48,803,313 km (0.072 R)
• M60: 49,723,041 km (0.073 R)
• M61: 49,928,289 km (0.025 R)
• M62: 50,133,687 km (0.089 R)
• M63: 50,751,676 km (0.08 R)
• M64: 54,406,950 km (0.107 R)
• M65: 55,573,066 km (0.114 R)
• M66: 55,892,607 km (0.031 R)
• M67: 56,426,372 km (0.116 R)
• M68: 57,069,194 km (0.086 R)
• M69: 58,254,009 km (0.108 R)
• M70: 58,686,796 km (0.045 R)
• M71: 59,229,387 km (0.119 R)
• M72: 59,337,995 km (0.107 R)
• M73: 60,319,357 km (0.058 R)
• M74: 61,196,300 km (0.092 R)
• M75: 61,856,625 km (0.115 R)
• M76: 64,745,510 km (0.116 R)
• M77: 65,306,053 km (0.095 R)
• M78: 68,588,829 km (0.03 R)
• M79: 68,931,557 km (0.111 R)
• M80: 69,045,850 km (0.09 R)
• M81: 74,490,913 km (0.088 R)
• M82: 75,903,117 km (0.064 R)
• M83: 76,849,473 km (0.048 R)
• M84: 79,591,752 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 10,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit