🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 9.6

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.71 AU - 1.03 AU

Year: 550 Days

Day: 5.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,265,395 km

• M1: 119,529 km (0.039 R)
• M2: 422,764 km (0.086 R)
• M3: 756,068 km (0.104 R)
• M4: 1,113,906 km (0.099 R)
• M5: 1,433,297 km (0.1 R)
• M6: 1,781,711 km (0.118 R)
• M7: 2,473,451 km (0.07 R)
• M8: 2,933,465 km (0.082 R)
• M9: 3,296,389 km (0.077 R)
• M10: 3,594,986 km (0.08 R)
• M11: 4,187,095 km (0.099 R)
• M12: 4,810,320 km (0.081 R)
• M13: 5,195,983 km (0.065 R)
• M14: 6,202,477 km (0.049 R)
• M15: 6,845,000 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 13.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.98 AU - 1.06 AU

Year: 699 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,265,395 km

• M1: 172,935 km (0.049 R)
• M2: 676,182 km (0.064 R)
• M3: 1,113,607 km (0.12 R)
• M4: 1,659,938 km (0.075 R)
• M5: 2,230,504 km (0.069 R)
• M6: 2,751,853 km (0.042 R)
• M7: 3,354,433 km (0.115 R)
• M8: 4,472,976 km (0.099 R)
• M9: 5,074,061 km (0.117 R)
• M10: 5,886,377 km (0.104 R)
• M11: 6,696,449 km (0.075 R)
• M12: 8,336,192 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.3

Radius: 13

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.96 AU - 2.42 AU

Year: 2198 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,265,395 km

• M1: 161,865 km (0.083 R)
• M2: 597,045 km (0.106 R)
• M3: 1,050,177 km (0.059 R)
• M4: 1,621,192 km (0.029 R)
• M5: 2,242,921 km (0.117 R)
• M6: 3,438,507 km (0.071 R)
• M7: 3,932,778 km (0.053 R)
• M8: 5,804,697 km (0.087 R)
• M9: 8,553,557 km (0.116 R)
• M10: 10,772,692 km (0.099 R)
• M11: 11,183,189 km (0.116 R)
• M12: 12,518,649 km (0.044 R)
• M13: 13,782,901 km (0.108 R)
• M14: 15,551,596 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 11

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.83 AU - 3.05 AU

Year: 3419 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,265,395 km

• M1: 137,181 km (0.092 R)
• M2: 496,366 km (0.116 R)
• M3: 862,133 km (0.026 R)
• M4: 1,324,988 km (0.075 R)
• M5: 2,289,595 km (0.042 R)
• M6: 4,353,298 km (0.027 R)
• M7: 5,275,270 km (0.114 R)
• M8: 5,968,805 km (0.093 R)
• M9: 6,816,577 km (0.077 R)
• M10: 7,436,211 km (0.049 R)
• M11: 7,881,713 km (0.109 R)
• M12: 8,308,516 km (0.103 R)
• M13: 9,286,587 km (0.102 R)
• M14: 11,652,029 km (0.085 R)
• M15: 12,682,758 km (0.097 R)
• M16: 13,671,450 km (0.116 R)
• M17: 14,288,841 km (0.043 R)
• M18: 14,764,113 km (0.101 R)
• M19: 15,195,404 km (0.116 R)
• M20: 18,145,175 km (0.101 R)
• M21: 19,917,461 km (0.116 R)
• M22: 20,510,766 km (0.068 R)
• M23: 21,048,121 km (0.086 R)
• M24: 21,525,937 km (0.116 R)
• M25: 23,583,057 km (0.113 R)
• M26: 24,098,571 km (0.077 R)
• M27: 25,845,725 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.9

Radius: 9.6

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.94 AU - 3.26 AU

Year: 3702 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,265,395 km

• M1: 119,529 km (0.114 R)
• M2: 469,139 km (0.053 R)
• M3: 835,803 km (0.119 R)
• M4: 1,197,980 km (0.088 R)
• M5: 1,549,385 km (0.078 R)
• M6: 2,237,087 km (0.065 R)
• M7: 3,686,540 km (0.105 R)
• M8: 4,325,024 km (0.113 R)
• M9: 5,597,055 km (0.085 R)
• M10: 6,813,585 km (0.08 R)
• M11: 7,366,648 km (0.037 R)
• M12: 7,914,176 km (0.095 R)
• M13: 8,270,069 km (0.115 R)
• M14: 14,655,804 km (0.048 R)
• M15: 15,911,978 km (0.094 R)
• M16: 16,308,262 km (0.1 R)
• M17: 19,849,094 km (0.111 R)
• M18: 23,359,708 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.2

Radius: 13.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.79 AU - 4.09 AU

Year: 4327 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,265,395 km

• M1: 170,392 km (0.032 R)
• M2: 681,269 km (0.096 R)
• M3: 1,222,065 km (0.063 R)
• M4: 2,183,830 km (0.101 R)
• M5: 2,694,706 km (0.114 R)
• M6: 3,196,009 km (0.063 R)
• M7: 4,523,391 km (0.032 R)
• M8: 5,162,323 km (0.098 R)
• M9: 6,447,369 km (0.077 R)
• M10: 8,619,530 km (0.113 R)
• M11: 10,066,142 km (0.025 R)
• M12: 10,909,425 km (0.109 R)
• M13: 11,454,559 km (0.046 R)
• M14: 12,106,357 km (0.112 R)
• M15: 13,200,367 km (0.086 R)
• M16: 13,965,709 km (0.118 R)
• M17: 17,158,128 km (0.094 R)
• M18: 20,302,525 km (0.103 R)
• M19: 21,128,904 km (0.051 R)
• M20: 21,779,655 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 13.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.18 AU - 4.7 AU

Year: 6345 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,265,395 km

• M1: 171,738 km (0.113 R)
• M2: 850,314 km (0.103 R)
• M3: 1,632,861 km (0.077 R)
• M4: 2,117,857 km (0.104 R)
• M5: 2,668,377 km (0.117 R)
• M6: 3,241,187 km (0.088 R)
• M7: 3,957,312 km (0.086 R)
• M8: 4,683,311 km (0.109 R)
• M9: 5,115,798 km (0.118 R)
• M10: 5,734,236 km (0.081 R)
• M11: 6,875,967 km (0.1 R)
• M12: 8,758,058 km (0.106 R)
• M13: 9,915,496 km (0.082 R)
• M14: 10,470,654 km (0.066 R)
• M15: 11,130,530 km (0.038 R)
• M16: 11,905,747 km (0.081 R)
• M17: 12,670,790 km (0.054 R)
• M18: 13,806,387 km (0.111 R)
• M19: 14,550,039 km (0.101 R)
• M20: 15,477,396 km (0.086 R)
• M21: 17,507,140 km (0.075 R)
• M22: 19,217,791 km (0.032 R)
• M23: 20,271,110 km (0.062 R)
• M24: 20,908,546 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 9.3

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.92 AU - 5.44 AU

Year: 6867 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,265,395 km

• M1: 116,238 km (0.077 R)
• M2: 933,491 km (0.111 R)
• M3: 1,311,973 km (0.086 R)
• M4: 1,745,059 km (0.088 R)
• M5: 2,134,014 km (0.063 R)
• M6: 3,720,948 km (0.106 R)
• M7: 4,437,372 km (0.083 R)
• M8: 5,217,824 km (0.109 R)
• M9: 6,807,302 km (0.104 R)
• M10: 7,455,509 km (0.119 R)
• M11: 8,452,130 km (0.117 R)
• M12: 9,460,121 km (0.12 R)
• M13: 11,713,364 km (0.026 R)
• M14: 12,194,770 km (0.057 R)
• M15: 13,385,120 km (0.1 R)
• M16: 13,959,875 km (0.078 R)
• M17: 14,302,604 km (0.029 R)
• M18: 21,803,441 km (0.098 R)
• M19: 22,198,978 km (0.09 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: 250 - 15,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit