🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 12.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,009,621 km

• M1: 153,039 km (0.093 R)
• M2: 585,376 km (0.113 R)
• M3: 1,039,855 km (0.097 R)
• M4: 2,009,099 km (0.068 R)
• M5: 2,563,958 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.9

Radius: 13.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 8.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,009,621 km

• M1: 164,109 km (0.113 R)
• M2: 641,326 km (0.108 R)
• M3: 1,108,221 km (0.11 R)
• M4: 1,524,253 km (0.065 R)
• M5: 1,945,520 km (0.027 R)
• M6: 2,406,880 km (0.111 R)
• M7: 2,888,436 km (0.052 R)
• M8: 3,384,652 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 10.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1 AU - 1.3 AU

Year: 851 Days

Day: 10.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,009,621 km

• M1: 135,536 km (0.045 R)
• M2: 744,997 km (0.077 R)
• M3: 1,098,348 km (0.118 R)
• M4: 1,623,286 km (0.12 R)
• M5: 2,928,229 km (0.077 R)
• M6: 4,088,211 km (0.089 R)
• M7: 4,475,220 km (0.094 R)
• M8: 5,609,322 km (0.109 R)
• M9: 6,814,033 km (0.104 R)
• M10: 7,290,353 km (0.117 R)
• M11: 7,788,813 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.9

Radius: 11.1

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.37 AU - 1.73 AU

Year: 1332 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,009,621 km

• M1: 138,228 km (0.077 R)
• M2: 525,388 km (0.096 R)
• M3: 1,058,555 km (0.088 R)
• M4: 1,479,822 km (0.064 R)
• M5: 2,792,394 km (0.086 R)
• M6: 3,162,349 km (0.115 R)
• M7: 3,597,530 km (0.081 R)
• M8: 4,550,767 km (0.112 R)
• M9: 6,850,386 km (0.057 R)
• M10: 7,395,072 km (0.088 R)
• M11: 7,912,680 km (0.07 R)
• M12: 8,280,541 km (0.057 R)
• M13: 9,900,686 km (0.112 R)
• M14: 10,597,663 km (0.066 R)
• M15: 13,159,526 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 12

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.6 AU - 2.36 AU

Year: 1923 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,009,621 km

• M1: 149,299 km (0.106 R)
• M2: 711,487 km (0.058 R)
• M3: 1,185,414 km (0.069 R)
• M4: 1,629,570 km (0.032 R)
• M5: 2,124,439 km (0.068 R)
• M6: 2,591,634 km (0.108 R)
• M7: 3,017,389 km (0.116 R)
• M8: 4,203,700 km (0.04 R)
• M9: 5,536,318 km (0.119 R)
• M10: 6,377,656 km (0.07 R)
• M11: 6,829,292 km (0.099 R)
• M12: 7,416,763 km (0.118 R)
• M13: 10,217,235 km (0.085 R)
• M14: 10,762,968 km (0.079 R)
• M15: 11,873,433 km (0.058 R)
• M16: 13,441,967 km (0.088 R)
• M17: 14,097,804 km (0.105 R)
• M18: 15,051,640 km (0.076 R)
• M19: 15,663,346 km (0.116 R)
• M20: 16,438,861 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 13.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.79 AU - 2.77 AU

Year: 2376 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,009,621 km

• M1: 171,589 km (0.028 R)
• M2: 903,122 km (0.097 R)
• M3: 1,519,615 km (0.083 R)
• M4: 2,087,937 km (0.08 R)
• M5: 2,782,520 km (0.098 R)
• M6: 3,422,201 km (0.075 R)
• M7: 5,064,636 km (0.085 R)
• M8: 5,494,879 km (0.083 R)
• M9: 6,907,831 km (0.112 R)
• M10: 7,728,824 km (0.112 R)
• M11: 9,736,877 km (0.039 R)
• M12: 10,333,922 km (0.113 R)
• M13: 11,180,346 km (0.083 R)
• M14: 12,720,756 km (0.09 R)
• M15: 13,823,741 km (0.116 R)
• M16: 14,309,186 km (0.113 R)
• M17: 15,035,484 km (0.085 R)
• M18: 15,643,749 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 6.5

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.99 AU - 9.91 AU

Year: 15473 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,009,621 km

• M1: 80,783 km (0.093 R)
• M2: 318,943 km (0.108 R)
• M3: 607,816 km (0.077 R)
• M4: 1,128,417 km (0.107 R)
• M5: 1,894,657 km (0.114 R)
• M6: 2,441,437 km (0.047 R)
• M7: 3,873,089 km (0.103 R)
• M8: 4,111,249 km (0.069 R)
• M9: 4,390,847 km (0.085 R)
• M10: 4,783,392 km (0.107 R)
• M11: 6,633,768 km (0.086 R)
• M12: 7,195,059 km (0.104 R)
• M13: 7,881,713 km (0.057 R)
• M14: 8,711,533 km (0.112 R)
• M15: 11,367,942 km (0.055 R)
• M16: 11,857,726 km (0.085 R)
• M17: 14,520,269 km (0.075 R)
• M18: 15,316,877 km (0.094 R)
• M19: 16,839,335 km (0.091 R)
• M20: 17,637,290 km (0.094 R)
• M21: 18,376,752 km (0.101 R)
• M22: 20,093,537 km (0.088 R)
• M23: 26,515,026 km (0.031 R)
• M24: 27,593,776 km (0.096 R)
• M25: 28,366,150 km (0.087 R)
• M26: 35,977,839 km (0.1 R)
• M27: 36,634,424 km (0.115 R)
• M28: 38,652,350 km (0.08 R)
• M29: 41,170,082 km (0.105 R)
• M30: 51,006,441 km (0.113 R)
• M31: 52,840,810 km (0.097 R)
• M32: 53,518,638 km (0.083 R)
• M33: 54,546,376 km (0.084 R)
• M34: 55,065,031 km (0.086 R)
• M35: 58,607,509 km (0.063 R)
• M36: 61,923,047 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 14,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit