🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 13.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.69 AU - 0.79 AU

Year: 432 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,104,050 km

• M1: 163,062 km (0.103 R)
• M2: 570,566 km (0.042 R)
• M3: 998,715 km (0.104 R)
• M4: 1,435,541 km (0.12 R)
• M5: 2,358,410 km (0.114 R)
• M6: 3,093,684 km (0.062 R)
• M7: 3,681,155 km (0.076 R)
• M8: 4,423,759 km (0.1 R)
• M9: 5,310,126 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 13.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.2 AU

Year: 793 Days

Day: 14.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,104,050 km

• M1: 172,935 km (0.098 R)
• M2: 707,748 km (0.065 R)
• M3: 1,221,915 km (0.082 R)
• M4: 1,660,985 km (0.043 R)
• M5: 2,136,706 km (0.117 R)
• M6: 2,632,025 km (0.119 R)
• M7: 3,263,478 km (0.115 R)
• M8: 4,008,625 km (0.062 R)
• M9: 5,558,309 km (0.112 R)
• M10: 6,093,570 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 9.2

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.09 AU - 1.37 AU

Year: 925 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 149.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,104,050 km

• M1: 114,442 km (0.09 R)
• M2: 428,299 km (0.047 R)
• M3: 1,035,965 km (0.116 R)
• M4: 1,409,661 km (0.059 R)
• M5: 2,031,838 km (0.109 R)
• M6: 2,541,219 km (0.112 R)
• M7: 2,865,398 km (0.074 R)
• M8: 3,161,452 km (0.118 R)
• M9: 3,644,055 km (0.086 R)
• M10: 4,629,007 km (0.044 R)
• M11: 5,845,537 km (0.102 R)
• M12: 6,482,525 km (0.026 R)
• M13: 7,116,670 km (0.119 R)
• M14: 7,688,732 km (0.069 R)
• M15: 8,318,240 km (0.069 R)
• M16: 8,840,486 km (0.106 R)
• M17: 9,326,230 km (0.081 R)
• M18: 10,698,342 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 9.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.12 AU - 5.18 AU

Year: 6801 Days

Day: 8.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,104,050 km

• M1: 120,576 km (0.117 R)
• M2: 469,438 km (0.055 R)
• M3: 961,017 km (0.116 R)
• M4: 1,318,556 km (0.111 R)
• M5: 1,739,973 km (0.048 R)
• M6: 2,984,478 km (0.094 R)
• M7: 3,870,546 km (0.116 R)
• M8: 5,053,566 km (0.112 R)
• M9: 5,656,894 km (0.074 R)
• M10: 6,338,312 km (0.109 R)
• M11: 7,410,480 km (0.114 R)
• M12: 8,675,031 km (0.031 R)
• M13: 9,378,889 km (0.093 R)
• M14: 10,548,894 km (0.106 R)
• M15: 11,350,738 km (0.093 R)
• M16: 11,766,621 km (0.11 R)
• M17: 13,075,602 km (0.094 R)
• M18: 13,532,773 km (0.115 R)
• M19: 15,245,369 km (0.112 R)
• M20: 15,751,908 km (0.118 R)
• M21: 16,621,221 km (0.076 R)
• M22: 18,837,663 km (0.093 R)
• M23: 19,486,768 km (0.115 R)
• M24: 20,352,790 km (0.064 R)
• M25: 21,876,594 km (0.076 R)
• M26: 22,811,880 km (0.081 R)
• M27: 24,916,722 km (0.041 R)
• M28: 25,936,680 km (0.066 R)
• M29: 26,256,072 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 3.8

Gravity: 42.13 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.69 AU - 10.13 AU

Year: 19578 Days

Day: 16.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,104,050 km

• M1: 47,871 km (0.07 R)
• M2: 224,546 km (0.095 R)
• M3: 446,849 km (0.114 R)
• M4: 1,006,494 km (0.119 R)
• M5: 1,133,054 km (0.096 R)
• M6: 1,256,173 km (0.106 R)
• M7: 1,697,786 km (0.115 R)
• M8: 2,829,644 km (0.097 R)
• M9: 3,816,840 km (0.101 R)
• M10: 4,127,405 km (0.116 R)
• M11: 4,354,495 km (0.096 R)
• M12: 4,521,895 km (0.09 R)
• M13: 6,745,667 km (0.064 R)
• M14: 6,969,914 km (0.069 R)
• M15: 7,199,098 km (0.055 R)
• M16: 7,338,972 km (0.077 R)
• M17: 7,818,583 km (0.05 R)
• M18: 7,966,386 km (0.043 R)
• M19: 8,681,314 km (0.092 R)
• M20: 8,893,145 km (0.098 R)
• M21: 10,653,912 km (0.111 R)
• M22: 12,769,525 km (0.098 R)
• M23: 13,043,588 km (0.059 R)
• M24: 13,462,013 km (0.117 R)
• M25: 13,603,533 km (0.079 R)
• M26: 15,456,452 km (0.1 R)
• M27: 17,387,162 km (0.087 R)
• M28: 18,064,840 km (0.043 R)
• M29: 20,575,542 km (0.103 R)
• M30: 24,132,680 km (0.113 R)
• M31: 26,718,778 km (0.06 R)
• M32: 29,010,318 km (0.051 R)
• M33: 29,962,359 km (0.064 R)
• M34: 31,678,396 km (0.069 R)
• M35: 34,903,726 km (0.03 R)
• M36: 36,116,516 km (0.036 R)
• M37: 38,341,186 km (0.068 R)
• M38: 40,214,750 km (0.098 R)
• M39: 47,989,351 km (0.112 R)
• M40: 55,974,287 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 17,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit