🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.41 AU - 0.67 AU

Year: 144 Days

Day: 14.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,494,742 km

• M1: 362,027 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.56 AU - 0.9 AU

Year: 227 Days

Day: 13.9 Hours

Environment

Temp: 129 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.35 AU - 1.85 AU

Year: 736 Days

Day: 40.6 Hours

Environment

Temp: -34 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,494,742 km

• M1: 987,196 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.55 AU - 1.67 AU

Year: 742 Days

Day: 30.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.34 AU - 1.96 AU

Year: 770 Days

Day: 15.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.7 AU - 2.34 AU

Year: 1043 Days

Day: 20.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.82 AU - 5.22 AU

Year: 3493 Days

Day: 18.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 9.3

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.74 AU - 6.1 AU

Year: 3966 Days

Day: 14.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 50,494,742 km

• M1: 118,033 km (0.062 R)
• M2: 331,210 km (0.098 R)
• M3: 586,424 km (0.091 R)
• M4: 649,105 km (0.079 R)
• M5: 949,348 km (0.067 R)
• M6: 1,102,237 km (0.116 R)
• M7: 1,505,403 km (0.085 R)
• M8: 1,793,529 km (0.045 R)
• M9: 1,888,224 km (0.097 R)
• M10: 2,000,872 km (0.057 R)
• M11: 2,132,368 km (0.06 R)
• M12: 2,199,089 km (0.025 R)
• M13: 2,814,086 km (0.1 R)
• M14: 2,906,238 km (0.035 R)
• M15: 3,055,686 km (0.098 R)
• M16: 3,188,529 km (0.103 R)
• M17: 3,539,186 km (0.116 R)
• M18: 4,150,892 km (0.115 R)
• M19: 4,905,763 km (0.102 R)
• M20: 4,972,484 km (0.08 R)
• M21: 5,039,354 km (0.106 R)
• M22: 5,106,673 km (0.078 R)
• M23: 5,264,947 km (0.069 R)
• M24: 5,333,164 km (0.087 R)
• M25: 5,447,756 km (0.086 R)
• M26: 5,539,908 km (0.043 R)
• M27: 5,937,539 km (0.058 R)
• M28: 6,056,320 km (0.054 R)
• M29: 6,612,675 km (0.09 R)
• M30: 6,760,477 km (0.044 R)
• M31: 6,859,661 km (0.11 R)
• M32: 7,059,524 km (0.087 R)
• M33: 7,134,921 km (0.093 R)
• M34: 7,413,771 km (0.118 R)
• M35: 7,567,408 km (0.053 R)
• M36: 7,670,481 km (0.098 R)
• M37: 8,113,441 km (0.082 R)
• M38: 8,538,149 km (0.065 R)
• M39: 8,861,280 km (0.1 R)
• M40: 9,464,309 km (0.091 R)
• M41: 9,603,286 km (0.041 R)
• M42: 9,686,911 km (0.093 R)
• M43: 9,911,308 km (0.12 R)
• M44: 10,623,244 km (0.104 R)
• M45: 10,883,694 km (0.074 R)
• M46: 11,058,424 km (0.099 R)
• M47: 11,351,786 km (0.111 R)
• M48: 11,647,840 km (0.076 R)
• M49: 11,766,920 km (0.081 R)
• M50: 12,156,772 km (0.098 R)
• M51: 12,611,848 km (0.077 R)
• M52: 12,734,220 km (0.098 R)
• M53: 13,445,109 km (0.032 R)
• M54: 13,695,386 km (0.064 R)
• M55: 13,947,309 km (0.091 R)
• M56: 14,327,886 km (0.109 R)
• M57: 14,551,534 km (0.097 R)
• M58: 14,647,726 km (0.086 R)
• M59: 15,067,198 km (0.058 R)
• M60: 15,752,805 km (0.085 R)
• M61: 15,983,635 km (0.117 R)
• M62: 16,116,179 km (0.106 R)
• M63: 16,548,965 km (0.1 R)
• M64: 16,851,003 km (0.107 R)
• M65: 16,918,322 km (0.108 R)
• M66: 17,290,223 km (0.103 R)
• M67: 18,042,401 km (0.096 R)
• M68: 18,457,086 km (0.102 R)
• M69: 18,910,068 km (0.093 R)
• M70: 20,541,732 km (0.114 R)
• M71: 20,938,616 km (0.098 R)
• M72: 21,047,224 km (0.118 R)
• M73: 21,483,750 km (0.049 R)
• M74: 22,662,581 km (0.059 R)
• M75: 23,035,230 km (0.099 R)
• M76: 23,522,769 km (0.11 R)
• M77: 25,275,009 km (0.113 R)
• M78: 25,429,394 km (0.082 R)
• M79: 26,049,926 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 11.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.37 AU - 5.87 AU

Year: 4211 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 50,494,742 km

• M1: 163,810 km (0.099 R)
• M2: 351,854 km (0.11 R)
• M3: 434,731 km (0.11 R)
• M4: 526,435 km (0.092 R)
• M5: 663,915 km (0.11 R)
• M6: 762,949 km (0.052 R)
• M7: 1,104,032 km (0.06 R)
• M8: 1,323,642 km (0.103 R)
• M9: 1,531,134 km (0.069 R)
• M10: 1,791,435 km (0.104 R)
• M11: 1,948,811 km (0.094 R)
• M12: 2,308,445 km (0.103 R)
• M13: 2,386,086 km (0.064 R)
• M14: 2,480,333 km (0.088 R)
• M15: 2,853,579 km (0.05 R)
• M16: 2,953,960 km (0.102 R)
• M17: 3,072,591 km (0.085 R)
• M18: 3,227,424 km (0.049 R)
• M19: 3,349,796 km (0.082 R)
• M20: 3,707,783 km (0.099 R)
• M21: 3,854,389 km (0.114 R)
• M22: 4,344,621 km (0.044 R)
• M23: 5,198,376 km (0.101 R)
• M24: 5,550,081 km (0.057 R)
• M25: 5,676,042 km (0.112 R)
• M26: 5,930,957 km (0.091 R)
• M27: 6,146,378 km (0.117 R)
• M28: 6,452,156 km (0.11 R)
• M29: 6,606,990 km (0.038 R)
• M30: 6,965,576 km (0.074 R)
• M31: 7,307,407 km (0.047 R)
• M32: 8,126,605 km (0.106 R)
• M33: 8,486,538 km (0.115 R)
• M34: 8,753,869 km (0.101 R)
• M35: 8,974,675 km (0.046 R)
• M36: 9,098,094 km (0.116 R)
• M37: 9,648,165 km (0.116 R)
• M38: 10,597,513 km (0.061 R)
• M39: 10,938,148 km (0.111 R)
• M40: 11,415,664 km (0.082 R)
• M41: 11,576,482 km (0.116 R)
• M42: 11,657,115 km (0.116 R)
• M43: 11,927,289 km (0.109 R)
• M44: 12,008,670 km (0.108 R)
• M45: 12,501,445 km (0.072 R)
• M46: 12,639,374 km (0.085 R)
• M47: 12,750,227 km (0.078 R)
• M48: 12,972,828 km (0.102 R)
• M49: 13,534,867 km (0.093 R)
• M50: 14,076,112 km (0.078 R)
• M51: 14,450,706 km (0.069 R)
• M52: 14,595,516 km (0.108 R)
• M53: 15,504,772 km (0.108 R)
• M54: 15,712,713 km (0.115 R)
• M55: 16,071,150 km (0.113 R)
• M56: 16,523,085 km (0.086 R)
• M57: 16,887,655 km (0.098 R)
• M58: 17,009,727 km (0.115 R)
• M59: 17,408,704 km (0.107 R)
• M60: 17,593,757 km (0.08 R)
• M61: 18,497,926 km (0.11 R)
• M62: 18,686,868 km (0.057 R)
• M63: 18,876,409 km (0.091 R)
• M64: 19,225,720 km (0.12 R)
• M65: 19,417,205 km (0.064 R)
• M66: 19,545,111 km (0.092 R)
• M67: 19,673,317 km (0.059 R)
• M68: 20,027,415 km (0.055 R)
• M69: 20,189,130 km (0.112 R)
• M70: 20,611,445 km (0.102 R)
• M71: 20,709,282 km (0.035 R)
• M72: 21,266,983 km (0.11 R)
• M73: 21,895,892 km (0.09 R)
• M74: 21,995,824 km (0.118 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 12.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.18 AU - 11.04 AU

Year: 11683 Days

Day: 7.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 64.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 50,494,742 km

• M1: 189,840 km (0.089 R)
• M2: 383,719 km (0.09 R)
• M3: 563,086 km (0.094 R)
• M4: 689,796 km (0.101 R)
• M5: 956,379 km (0.102 R)
• M6: 1,072,766 km (0.091 R)
• M7: 1,278,015 km (0.063 R)
• M8: 1,451,997 km (0.084 R)
• M9: 1,542,204 km (0.031 R)
• M10: 1,946,867 km (0.087 R)
• M11: 2,174,854 km (0.116 R)
• M12: 2,305,303 km (0.095 R)
• M13: 2,629,482 km (0.088 R)
• M14: 3,291,602 km (0.114 R)
• M15: 3,564,768 km (0.054 R)
• M16: 3,782,283 km (0.092 R)
• M17: 3,940,408 km (0.05 R)
• M18: 4,165,553 km (0.11 R)
• M19: 4,595,048 km (0.067 R)
• M20: 6,376,908 km (0.07 R)
• M21: 6,565,851 km (0.049 R)
• M22: 6,833,481 km (0.118 R)
• M23: 8,514,064 km (0.084 R)
• M24: 8,722,304 km (0.109 R)
• M25: 8,932,339 km (0.107 R)
• M26: 9,400,281 km (0.096 R)
• M27: 11,626,896 km (0.114 R)
• M28: 12,466,739 km (0.032 R)
• M29: 12,751,124 km (0.098 R)
• M30: 12,846,418 km (0.096 R)
• M31: 13,085,625 km (0.074 R)
• M32: 13,229,837 km (0.104 R)
• M33: 13,763,303 km (0.033 R)
• M34: 14,851,179 km (0.078 R)
• M35: 15,102,204 km (0.059 R)
• M36: 15,203,183 km (0.114 R)
• M37: 15,354,875 km (0.115 R)
• M38: 16,482,544 km (0.119 R)
• M39: 16,690,485 km (0.094 R)
• M40: 17,530,926 km (0.044 R)
• M41: 19,307,550 km (0.081 R)
• M42: 19,691,717 km (0.081 R)
• M43: 19,912,374 km (0.102 R)
• M44: 20,915,727 km (0.034 R)
• M45: 21,310,366 km (0.111 R)
• M46: 21,821,393 km (0.118 R)
• M47: 22,106,975 km (0.045 R)
• M48: 22,913,307 km (0.073 R)
• M49: 23,261,871 km (0.112 R)
• M50: 24,495,604 km (0.103 R)
• M51: 25,030,865 km (0.068 R)
• M52: 25,449,889 km (0.104 R)
• M53: 26,537,914 km (0.11 R)
• M54: 26,965,166 km (0.076 R)
• M55: 27,210,357 km (0.042 R)
• M56: 27,641,199 km (0.084 R)
• M57: 28,947,188 km (0.088 R)
• M58: 30,019,206 km (0.104 R)
• M59: 31,361,249 km (0.057 R)
• M60: 32,201,839 km (0.086 R)
• M61: 32,788,113 km (0.068 R)
• M62: 34,701,320 km (0.074 R)
• M63: 34,901,333 km (0.112 R)
• M64: 37,467,385 km (0.093 R)
• M65: 37,672,633 km (0.059 R)
• M66: 38,221,508 km (0.084 R)
• M67: 40,513,796 km (0.12 R)
• M68: 42,993,381 km (0.087 R)
• M69: 43,351,668 km (0.091 R)
• M70: 44,432,363 km (0.047 R)
• M71: 44,939,649 km (0.112 R)
• M72: 45,376,026 km (0.108 R)
• M73: 45,594,738 km (0.045 R)
• M74: 46,253,118 km (0.053 R)
• M75: 47,061,994 km (0.108 R)
• M76: 48,395,510 km (0.109 R)
• M77: 48,693,658 km (0.11 R)
• M78: 49,291,601 km (0.089 R)
• M79: 49,816,689 km (0.1 R)
• M80: 50,193,078 km (0.028 R)
• M81: 50,343,872 km (0.108 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 16,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit