🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.5 AU - 0.68 AU

Year: 293 Days

Day: 46.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 13.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.74 AU - 0.92 AU

Year: 488 Days

Day: 10.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,908,964 km

• M1: 170,392 km (0.087 R)
• M2: 716,574 km (0.046 R)
• M3: 1,218,325 km (0.104 R)
• M4: 1,926,671 km (0.06 R)
• M5: 2,386,684 km (0.051 R)
• M6: 2,909,679 km (0.092 R)
• M7: 3,360,866 km (0.106 R)
• M8: 3,926,495 km (0.069 R)
• M9: 4,615,543 km (0.085 R)
• M10: 5,503,406 km (0.115 R)
• M11: 6,033,881 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.4

Radius: 11.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.81 AU - 0.89 AU

Year: 506 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,908,964 km

• M1: 144,362 km (0.087 R)
• M2: 546,930 km (0.074 R)
• M3: 980,764 km (0.082 R)
• M4: 1,486,105 km (0.119 R)
• M5: 2,126,983 km (0.079 R)
• M6: 2,613,475 km (0.102 R)
• M7: 3,000,933 km (0.105 R)
• M8: 3,527,069 km (0.102 R)
• M9: 4,402,217 km (0.057 R)
• M10: 4,907,109 km (0.03 R)
• M11: 5,692,947 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 11.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 0.98 AU

Year: 551 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,908,964 km

• M1: 140,622 km (0.073 R)
• M2: 499,657 km (0.062 R)
• M3: 1,308,084 km (0.095 R)
• M4: 1,743,713 km (0.098 R)
• M5: 2,488,261 km (0.084 R)
• M6: 3,094,582 km (0.089 R)
• M7: 3,773,905 km (0.108 R)
• M8: 4,263,240 km (0.08 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 13.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.26 AU - 5.12 AU

Year: 5538 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 66.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,908,964 km

• M1: 162,912 km (0.049 R)
• M2: 642,822 km (0.113 R)
• M3: 1,466,358 km (0.111 R)
• M4: 1,952,103 km (0.119 R)
• M5: 2,719,839 km (0.108 R)
• M6: 3,791,708 km (0.046 R)
• M7: 5,604,235 km (0.057 R)
• M8: 6,374,365 km (0.1 R)
• M9: 7,213,909 km (0.054 R)
• M10: 8,709,139 km (0.098 R)
• M11: 9,779,063 km (0.094 R)
• M12: 10,896,260 km (0.038 R)
• M13: 11,485,825 km (0.075 R)
• M14: 12,013,906 km (0.109 R)
• M15: 14,997,785 km (0.05 R)
• M16: 16,997,609 km (0.117 R)
• M17: 17,953,390 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 13.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.67 AU - 5.47 AU

Year: 6308 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,908,964 km

• M1: 166,802 km (0.075 R)
• M2: 678,576 km (0.077 R)
• M3: 1,157,888 km (0.117 R)
• M4: 1,758,373 km (0.106 R)
• M5: 2,562,163 km (0.089 R)
• M6: 4,213,125 km (0.043 R)
• M7: 4,652,344 km (0.092 R)
• M8: 5,065,234 km (0.103 R)
• M9: 7,219,444 km (0.106 R)
• M10: 8,005,580 km (0.107 R)
• M11: 9,882,286 km (0.046 R)
• M12: 10,428,916 km (0.12 R)
• M13: 10,947,572 km (0.086 R)
• M14: 12,766,832 km (0.103 R)
• M15: 14,956,795 km (0.092 R)
• M16: 17,649,856 km (0.066 R)
• M17: 22,701,626 km (0.111 R)
• M18: 27,826,700 km (0.102 R)
• M19: 30,418,633 km (0.108 R)
• M20: 30,897,795 km (0.097 R)
• M21: 33,777,404 km (0.108 R)
• M22: 34,706,407 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.1

Radius: 13.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.25 AU - 5.67 AU

Year: 7132 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,908,964 km

• M1: 170,392 km (0.094 R)
• M2: 950,545 km (0.047 R)
• M3: 2,717,296 km (0.103 R)
• M4: 3,423,697 km (0.116 R)
• M5: 3,960,604 km (0.1 R)
• M6: 5,760,565 km (0.117 R)
• M7: 6,495,988 km (0.067 R)
• M8: 7,478,996 km (0.076 R)
• M9: 15,164,437 km (0.062 R)
• M10: 16,836,642 km (0.068 R)
• M11: 17,773,573 km (0.099 R)
• M12: 18,745,062 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 9.8

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.83 AU - 5.13 AU

Year: 7176 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,908,964 km

• M1: 122,371 km (0.032 R)
• M2: 566,527 km (0.103 R)
• M3: 983,157 km (0.048 R)
• M4: 1,457,682 km (0.048 R)
• M5: 1,999,824 km (0.109 R)
• M6: 2,594,625 km (0.107 R)
• M7: 3,213,661 km (0.109 R)
• M8: 3,630,591 km (0.079 R)
• M9: 4,215,668 km (0.119 R)
• M10: 4,803,588 km (0.055 R)
• M11: 6,353,272 km (0.095 R)
• M12: 7,437,408 km (0.09 R)
• M13: 8,860,532 km (0.117 R)
• M14: 9,357,646 km (0.095 R)
• M15: 9,683,470 km (0.08 R)
• M16: 10,556,673 km (0.061 R)
• M17: 11,063,959 km (0.114 R)
• M18: 11,534,295 km (0.111 R)
• M19: 12,237,255 km (0.116 R)
• M20: 15,401,849 km (0.057 R)
• M21: 17,767,739 km (0.11 R)
• M22: 18,413,254 km (0.053 R)
• M23: 25,573,008 km (0.115 R)
• M24: 27,425,628 km (0.093 R)
• M25: 28,676,715 km (0.059 R)
• M26: 34,172,791 km (0.054 R)
• M27: 35,395,455 km (0.116 R)
• M28: 36,417,358 km (0.033 R)
• M29: 36,762,181 km (0.089 R)
• M30: 41,447,137 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 13.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.85 AU - 6.13 AU

Year: 7197 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,908,964 km

• M1: 164,707 km (0.103 R)
• M2: 840,890 km (0.099 R)
• M3: 1,606,831 km (0.041 R)
• M4: 2,151,367 km (0.117 R)
• M5: 2,926,583 km (0.11 R)
• M6: 3,583,617 km (0.084 R)
• M7: 3,996,657 km (0.1 R)
• M8: 5,171,449 km (0.098 R)
• M9: 5,651,808 km (0.115 R)
• M10: 7,042,469 km (0.113 R)
• M11: 8,884,019 km (0.081 R)
• M12: 12,579,685 km (0.098 R)
• M13: 13,767,642 km (0.101 R)
• M14: 15,663,196 km (0.105 R)
• M15: 17,834,909 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.4

Radius: 4.4

Gravity: 31.53 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.24 AU - 8.9 AU

Year: 14802 Days

Day: 20.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,908,964 km

• M1: 57,745 km (0.111 R)
• M2: 211,980 km (0.058 R)
• M3: 375,491 km (0.064 R)
• M4: 585,676 km (0.034 R)
• M5: 736,470 km (0.12 R)
• M6: 1,047,185 km (0.043 R)
• M7: 1,193,941 km (0.109 R)
• M8: 1,703,321 km (0.042 R)
• M9: 2,264,912 km (0.105 R)
• M10: 2,800,921 km (0.043 R)
• M11: 4,394,886 km (0.085 R)
• M12: 4,617,039 km (0.079 R)
• M13: 4,780,400 km (0.079 R)
• M14: 5,329,125 km (0.119 R)
• M15: 7,183,091 km (0.108 R)
• M16: 7,402,701 km (0.116 R)
• M17: 7,994,510 km (0.094 R)
• M18: 8,519,300 km (0.116 R)
• M19: 9,375,299 km (0.059 R)
• M20: 9,958,730 km (0.069 R)
• M21: 11,139,357 km (0.08 R)
• M22: 11,915,171 km (0.095 R)
• M23: 13,640,483 km (0.098 R)
• M24: 15,092,480 km (0.092 R)
• M25: 15,308,051 km (0.115 R)
• M26: 15,818,778 km (0.068 R)
• M27: 17,976,129 km (0.056 R)
• M28: 19,462,085 km (0.049 R)
• M29: 21,658,780 km (0.063 R)
• M30: 22,302,200 km (0.119 R)
• M31: 22,958,336 km (0.088 R)
• M32: 30,470,842 km (0.114 R)
• M33: 35,151,760 km (0.052 R)
• M34: 35,784,559 km (0.075 R)
• M35: 36,683,193 km (0.046 R)
• M36: 38,927,760 km (0.095 R)
• M37: 40,704,833 km (0.106 R)
• M38: 43,398,193 km (0.035 R)
• M39: 46,814,709 km (0.098 R)
• M40: 49,768,668 km (0.061 R)
• M41: 57,081,611 km (0.096 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: 514 - 16,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit