🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 10.3

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.72 AU - 0.78 AU

Year: 441 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,478,137 km

• M1: 128,056 km (0.074 R)
• M2: 459,565 km (0.111 R)
• M3: 825,481 km (0.06 R)
• M4: 1,161,777 km (0.061 R)
• M5: 1,606,232 km (0.119 R)
• M6: 2,014,635 km (0.025 R)
• M7: 2,491,852 km (0.082 R)
• M8: 2,931,370 km (0.091 R)
• M9: 4,420,916 km (0.096 R)
• M10: 5,084,532 km (0.101 R)
• M11: 6,065,296 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 9.5

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.02 AU - 1.08 AU

Year: 730 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,478,137 km

• M1: 118,182 km (0.113 R)
• M2: 502,948 km (0.106 R)
• M3: 809,175 km (0.064 R)
• M4: 1,259,464 km (0.097 R)
• M5: 1,782,608 km (0.098 R)
• M6: 2,478,238 km (0.107 R)
• M7: 2,901,451 km (0.106 R)
• M8: 3,743,687 km (0.052 R)
• M9: 4,535,059 km (0.105 R)
• M10: 5,079,297 km (0.086 R)
• M11: 5,745,456 km (0.078 R)
• M12: 6,598,612 km (0.101 R)
• M13: 7,021,526 km (0.093 R)
• M14: 8,196,467 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 14.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.17 AU - 1.83 AU

Year: 1246 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,478,137 km

• M1: 184,305 km (0.042 R)
• M2: 644,468 km (0.091 R)
• M3: 1,196,185 km (0.104 R)
• M4: 1,668,764 km (0.058 R)
• M5: 2,280,919 km (0.106 R)
• M6: 2,958,447 km (0.109 R)
• M7: 4,315,151 km (0.106 R)
• M8: 4,779,203 km (0.025 R)
• M9: 6,145,780 km (0.084 R)
• M10: 6,760,328 km (0.079 R)
• M11: 7,286,613 km (0.044 R)
• M12: 8,708,690 km (0.106 R)
• M13: 9,987,004 km (0.093 R)
• M14: 11,008,159 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 11.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.36 AU - 1.74 AU

Year: 1309 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,478,137 km

• M1: 139,276 km (0.095 R)
• M2: 580,440 km (0.093 R)
• M3: 1,098,796 km (0.102 R)
• M4: 1,509,891 km (0.114 R)
• M5: 2,561,714 km (0.094 R)
• M6: 3,586,310 km (0.106 R)
• M7: 4,265,783 km (0.08 R)
• M8: 4,725,348 km (0.114 R)
• M9: 5,154,395 km (0.11 R)
• M10: 5,789,587 km (0.104 R)
• M11: 6,725,621 km (0.105 R)
• M12: 7,843,416 km (0.101 R)
• M13: 8,300,288 km (0.073 R)
• M14: 9,649,511 km (0.085 R)
• M15: 10,107,879 km (0.112 R)
• M16: 11,175,111 km (0.05 R)
• M17: 13,451,841 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 10.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2 AU - 2.62 AU

Year: 2381 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,478,137 km

• M1: 125,662 km (0.107 R)
• M2: 576,401 km (0.082 R)
• M3: 925,263 km (0.094 R)
• M4: 1,247,796 km (0.062 R)
• M5: 1,578,108 km (0.041 R)
• M6: 2,036,775 km (0.103 R)
• M7: 2,395,062 km (0.053 R)
• M8: 3,097,424 km (0.096 R)
• M9: 3,454,963 km (0.103 R)
• M10: 3,803,975 km (0.082 R)
• M11: 4,273,413 km (0.081 R)
• M12: 4,908,905 km (0.116 R)
• M13: 5,991,245 km (0.082 R)
• M14: 7,253,702 km (0.093 R)
• M15: 8,496,710 km (0.111 R)
• M16: 9,911,158 km (0.102 R)
• M17: 10,332,426 km (0.117 R)
• M18: 11,553,144 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 8.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.3 AU - 2.74 AU

Year: 2713 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,478,137 km

• M1: 109,954 km (0.113 R)
• M2: 445,353 km (0.109 R)
• M3: 919,578 km (0.077 R)
• M4: 1,459,926 km (0.086 R)
• M5: 1,752,090 km (0.089 R)
• M6: 2,096,315 km (0.086 R)
• M7: 2,615,868 km (0.109 R)
• M8: 2,954,408 km (0.092 R)
• M9: 3,427,586 km (0.069 R)
• M10: 3,931,133 km (0.08 R)
• M11: 4,789,226 km (0.104 R)
• M12: 5,179,527 km (0.118 R)
• M13: 6,024,306 km (0.067 R)
• M14: 7,985,385 km (0.067 R)
• M15: 8,769,128 km (0.105 R)
• M16: 9,747,348 km (0.076 R)
• M17: 10,076,613 km (0.097 R)
• M18: 10,991,554 km (0.075 R)
• M19: 11,550,152 km (0.102 R)
• M20: 12,127,600 km (0.097 R)
• M21: 12,594,645 km (0.113 R)
• M22: 13,746,399 km (0.072 R)
• M23: 14,442,029 km (0.066 R)
• M24: 14,822,606 km (0.105 R)
• M25: 18,221,619 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954

Radius: 13

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.73 AU - 3.89 AU

Year: 5044 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,478,137 km

• M1: 162,463 km (0.112 R)
• M2: 583,132 km (0.074 R)
• M3: 1,476,830 km (0.117 R)
• M4: 2,338,364 km (0.108 R)
• M5: 3,299,680 km (0.109 R)
• M6: 3,989,027 km (0.09 R)
• M7: 4,799,548 km (0.07 R)
• M8: 5,215,879 km (0.083 R)
• M9: 7,344,358 km (0.106 R)
• M10: 8,642,718 km (0.048 R)
• M11: 9,094,055 km (0.079 R)
• M12: 11,445,135 km (0.094 R)
• M13: 12,708,938 km (0.1 R)
• M14: 14,345,987 km (0.082 R)
• M15: 15,814,290 km (0.101 R)
• M16: 16,553,603 km (0.118 R)
• M17: 17,315,954 km (0.106 R)
• M18: 22,776,276 km (0.111 R)
• M19: 26,878,698 km (0.087 R)
• M20: 28,559,131 km (0.1 R)
• M21: 33,615,689 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.2

Radius: 6.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.94 AU - 7.14 AU

Year: 10068 Days

Day: 18.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,478,137 km

• M1: 83,775 km (0.095 R)
• M2: 306,676 km (0.091 R)
• M3: 568,622 km (0.083 R)
• M4: 1,148,164 km (0.106 R)
• M5: 1,783,805 km (0.04 R)
• M6: 2,141,344 km (0.058 R)
• M7: 2,757,238 km (0.092 R)
• M8: 3,116,423 km (0.069 R)
• M9: 3,463,789 km (0.075 R)
• M10: 4,115,886 km (0.1 R)
• M11: 4,408,649 km (0.117 R)
• M12: 5,573,119 km (0.091 R)
• M13: 7,031,998 km (0.095 R)
• M14: 7,344,657 km (0.111 R)
• M15: 8,186,145 km (0.049 R)
• M16: 8,928,300 km (0.118 R)
• M17: 9,419,729 km (0.105 R)
• M18: 10,059,110 km (0.048 R)
• M19: 11,002,175 km (0.061 R)
• M20: 11,614,928 km (0.113 R)
• M21: 12,002,985 km (0.12 R)
• M22: 12,500,398 km (0.105 R)
• M23: 14,796,725 km (0.114 R)
• M24: 15,954,763 km (0.104 R)
• M25: 18,319,606 km (0.093 R)
• M26: 25,152,937 km (0.074 R)
• M27: 25,395,286 km (0.05 R)
• M28: 26,463,564 km (0.058 R)
• M29: 27,991,706 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.3

Radius: 3.8

Gravity: 59.02 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.89 AU - 8.11 AU

Year: 12561 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,478,137 km

• M1: 47,722 km (0.097 R)
• M2: 402,867 km (0.047 R)
• M3: 594,801 km (0.061 R)
• M4: 730,337 km (0.042 R)
• M5: 886,667 km (0.12 R)
• M6: 1,321,847 km (0.112 R)
• M7: 1,732,194 km (0.081 R)
• M8: 3,416,666 km (0.065 R)
• M9: 4,554,208 km (0.086 R)
• M10: 4,848,766 km (0.118 R)
• M11: 5,808,885 km (0.065 R)
• M12: 8,824,928 km (0.099 R)
• M13: 9,386,219 km (0.093 R)
• M14: 12,936,625 km (0.047 R)
• M15: 15,842,415 km (0.075 R)
• M16: 16,900,221 km (0.064 R)
• M17: 23,473,551 km (0.095 R)
• M18: 25,146,205 km (0.096 R)
• M19: 27,002,116 km (0.084 R)
• M20: 30,180,922 km (0.058 R)
• M21: 53,772,955 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 4.1

Gravity: 39.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.82 AU - 8.8 AU

Year: 13405 Days

Day: 18.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,478,137 km

• M1: 61,036 km (0.076 R)
• M2: 189,092 km (0.072 R)
• M3: 318,494 km (0.066 R)
• M4: 582,833 km (0.117 R)
• M5: 937,530 km (0.106 R)
• M6: 1,451,548 km (0.102 R)
• M7: 1,986,211 km (0.077 R)
• M8: 2,152,564 km (0.072 R)
• M9: 2,388,779 km (0.049 R)
• M10: 3,781,685 km (0.09 R)
• M11: 4,397,429 km (0.099 R)
• M12: 4,810,619 km (0.109 R)
• M13: 5,214,533 km (0.094 R)
• M14: 5,899,841 km (0.086 R)
• M15: 8,894,192 km (0.094 R)
• M16: 11,607,000 km (0.109 R)
• M17: 12,894,439 km (0.059 R)
• M18: 14,824,700 km (0.081 R)
• M19: 14,964,425 km (0.116 R)
• M20: 15,749,215 km (0.106 R)
• M21: 15,894,774 km (0.031 R)
• M22: 18,028,339 km (0.094 R)
• M23: 21,935,237 km (0.109 R)
• M24: 23,701,239 km (0.067 R)
• M25: 29,124,162 km (0.078 R)
• M26: 29,896,985 km (0.032 R)
• M27: 30,232,234 km (0.116 R)
• M28: 31,253,389 km (0.1 R)
• M29: 34,331,963 km (0.114 R)
• M30: 37,477,109 km (0.087 R)
• M31: 38,259,506 km (0.09 R)
• M32: 40,127,385 km (0.118 R)
• M33: 43,326,386 km (0.075 R)
• M34: 44,623,100 km (0.09 R)
• M35: 48,054,127 km (0.067 R)
• M36: 51,336,604 km (0.109 R)
• M37: 52,301,211 km (0.069 R)
• M38: 53,114,275 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 12,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit