🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 13.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 12.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 75,598,763 km

• M1: 164,109 km (0.115 R)
• M2: 698,472 km (0.091 R)
• M3: 1,215,184 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 11.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.27 AU - 1.41 AU

Year: 1034 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,598,763 km

• M1: 143,614 km (0.087 R)
• M2: 503,696 km (0.109 R)
• M3: 892,501 km (0.063 R)
• M4: 1,577,061 km (0.095 R)
• M5: 1,990,400 km (0.096 R)
• M6: 3,015,594 km (0.096 R)
• M7: 4,921,321 km (0.109 R)
• M8: 5,300,701 km (0.112 R)
• M9: 6,622,997 km (0.037 R)
• M10: 7,268,961 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.6

Radius: 12.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.68 AU - 1.94 AU

Year: 1624 Days

Day: 9 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,598,763 km

• M1: 156,330 km (0.1 R)
• M2: 701,464 km (0.059 R)
• M3: 1,239,418 km (0.118 R)
• M4: 1,909,018 km (0.045 R)
• M5: 2,572,934 km (0.1 R)
• M6: 4,469,835 km (0.111 R)
• M7: 4,967,248 km (0.069 R)
• M8: 5,521,807 km (0.116 R)
• M9: 6,295,527 km (0.112 R)
• M10: 7,362,908 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 8.2

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.22 AU - 2.94 AU

Year: 2763 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 90.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,598,763 km

• M1: 103,372 km (0.097 R)
• M2: 421,118 km (0.104 R)
• M3: 773,122 km (0.065 R)
• M4: 1,082,789 km (0.079 R)
• M5: 1,395,748 km (0.12 R)
• M6: 1,780,514 km (0.037 R)
• M7: 2,431,863 km (0.037 R)
• M8: 2,764,868 km (0.068 R)
• M9: 3,059,875 km (0.103 R)
• M10: 3,394,226 km (0.065 R)
• M11: 3,694,469 km (0.101 R)
• M12: 4,864,773 km (0.08 R)
• M13: 5,832,971 km (0.034 R)
• M14: 6,489,406 km (0.102 R)
• M15: 7,471,217 km (0.095 R)
• M16: 10,065,992 km (0.117 R)
• M17: 10,413,059 km (0.063 R)
• M18: 10,728,262 km (0.116 R)
• M19: 11,336,527 km (0.04 R)
• M20: 11,628,093 km (0.049 R)
• M21: 12,226,484 km (0.065 R)
• M22: 15,734,854 km (0.115 R)
• M23: 16,098,077 km (0.112 R)
• M24: 17,385,816 km (0.113 R)
• M25: 18,338,455 km (0.089 R)
• M26: 19,503,374 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.9

Radius: 12.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.21 AU - 3.55 AU

Year: 3259 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,598,763 km

• M1: 153,487 km (0.116 R)
• M2: 537,505 km (0.052 R)
• M3: 1,041,800 km (0.045 R)
• M4: 1,945,072 km (0.103 R)
• M5: 2,479,585 km (0.112 R)
• M6: 3,195,111 km (0.079 R)
• M7: 3,770,914 km (0.094 R)
• M8: 4,609,110 km (0.072 R)
• M9: 5,155,143 km (0.092 R)
• M10: 5,743,960 km (0.054 R)
• M11: 8,133,636 km (0.12 R)
• M12: 8,762,546 km (0.08 R)
• M13: 13,285,338 km (0.079 R)
• M14: 14,299,911 km (0.088 R)
• M15: 15,216,946 km (0.106 R)
• M16: 17,545,287 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.8

Radius: 5.4

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.26 AU - 6.66 AU

Year: 10949 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,598,763 km

• M1: 67,169 km (0.061 R)
• M2: 244,443 km (0.115 R)
• M3: 684,709 km (0.078 R)
• M4: 900,430 km (0.117 R)
• M5: 1,161,328 km (0.081 R)
• M6: 1,341,295 km (0.086 R)
• M7: 1,728,304 km (0.076 R)
• M8: 2,240,079 km (0.107 R)
• M9: 2,580,563 km (0.095 R)
• M10: 2,826,203 km (0.081 R)
• M11: 3,155,318 km (0.096 R)
• M12: 3,509,416 km (0.06 R)
• M13: 5,423,072 km (0.097 R)
• M14: 6,733,101 km (0.073 R)
• M15: 7,771,310 km (0.045 R)
• M16: 11,739,992 km (0.066 R)
• M17: 14,029,288 km (0.116 R)
• M18: 14,725,218 km (0.075 R)
• M19: 16,049,009 km (0.115 R)
• M20: 21,720,264 km (0.07 R)
• M21: 25,322,282 km (0.09 R)
• M22: 27,118,803 km (0.094 R)
• M23: 33,570,061 km (0.098 R)
• M24: 34,926,465 km (0.117 R)
• M25: 35,967,666 km (0.103 R)
• M26: 37,029,213 km (0.109 R)
• M27: 38,354,949 km (0.102 R)
• M28: 38,599,243 km (0.058 R)
• M29: 42,001,098 km (0.117 R)
• M30: 42,260,650 km (0.032 R)
• M31: 43,046,039 km (0.118 R)
• M32: 44,916,461 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.7

Radius: 3.2

Gravity: 66.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.99 AU - 10.27 AU

Year: 19928 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,598,763 km

• M1: 39,793 km (0.063 R)
• M2: 167,101 km (0.102 R)
• M3: 294,857 km (0.099 R)
• M4: 558,000 km (0.067 R)
• M5: 855,401 km (0.071 R)
• M6: 1,137,393 km (0.106 R)
• M7: 1,398,740 km (0.056 R)
• M8: 1,628,373 km (0.084 R)
• M9: 2,609,735 km (0.061 R)
• M10: 2,730,610 km (0.061 R)
• M11: 2,905,939 km (0.109 R)
• M12: 3,448,829 km (0.054 R)
• M13: 4,088,510 km (0.049 R)
• M14: 4,419,271 km (0.112 R)
• M15: 5,059,250 km (0.099 R)
• M16: 5,922,430 km (0.059 R)
• M17: 6,047,195 km (0.11 R)
• M18: 7,587,903 km (0.05 R)
• M19: 7,934,671 km (0.087 R)
• M20: 9,945,266 km (0.091 R)
• M21: 10,240,722 km (0.082 R)
• M22: 11,480,889 km (0.115 R)
• M23: 12,070,304 km (0.085 R)
• M24: 13,380,333 km (0.032 R)
• M25: 14,630,223 km (0.085 R)
• M26: 18,047,637 km (0.072 R)
• M27: 20,694,621 km (0.105 R)
• M28: 23,484,921 km (0.119 R)
• M29: 24,008,214 km (0.107 R)
• M30: 29,312,955 km (0.083 R)
• M31: 33,077,585 km (0.056 R)
• M32: 36,450,868 km (0.032 R)
• M33: 40,943,142 km (0.12 R)
• M34: 41,853,146 km (0.113 R)
• M35: 47,100,590 km (0.094 R)
• M36: 47,266,195 km (0.08 R)
• M37: 48,099,605 km (0.065 R)
• M38: 59,261,252 km (0.112 R)
• M39: 59,454,083 km (0.082 R)
• M40: 64,210,398 km (0.111 R)
• M41: 72,690,054 km (0.11 R)
• M42: 73,354,568 km (0.114 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 16,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit