🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 14.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,620,470 km

• M1: 179,069 km (0.089 R)
• M2: 645,216 km (0.056 R)
• M3: 1,111,063 km (0.086 R)
• M4: 1,608,626 km (0.112 R)
• M5: 2,346,143 km (0.05 R)
• M6: 3,177,608 km (0.09 R)
• M7: 3,908,244 km (0.119 R)
• M8: 4,867,765 km (0.073 R)
• M9: 5,411,853 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 11.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.69 AU - 0.69 AU

Year: 396 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,620,470 km

• M1: 139,425 km (0.08 R)
• M2: 546,631 km (0.073 R)
• M3: 986,897 km (0.084 R)
• M4: 1,637,648 km (0.105 R)
• M5: 1,994,888 km (0.054 R)
• M6: 2,839,816 km (0.088 R)
• M7: 3,362,362 km (0.117 R)
• M8: 3,856,783 km (0.058 R)
• M9: 4,314,702 km (0.095 R)
• M10: 4,808,973 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.9

Radius: 8.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.62 AU - 0.98 AU

Year: 494 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,620,470 km

• M1: 102,774 km (0.099 R)
• M2: 423,212 km (0.117 R)
• M3: 926,908 km (0.108 R)
• M4: 1,454,241 km (0.039 R)
• M5: 1,715,888 km (0.092 R)
• M6: 2,068,939 km (0.119 R)
• M7: 2,653,567 km (0.117 R)
• M8: 3,148,287 km (0.07 R)
• M9: 3,874,734 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 8.8

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.79 AU - 1.01 AU

Year: 589 Days

Day: 11.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 111.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,620,470 km

• M1: 109,805 km (0.095 R)
• M2: 416,331 km (0.091 R)
• M3: 709,991 km (0.045 R)
• M4: 1,019,509 km (0.041 R)
• M5: 1,399,039 km (0.109 R)
• M6: 1,871,619 km (0.068 R)
• M7: 2,521,921 km (0.088 R)
• M8: 3,187,183 km (0.051 R)
• M9: 4,083,423 km (0.071 R)
• M10: 4,437,970 km (0.1 R)
• M11: 4,729,686 km (0.063 R)
• M12: 5,298,009 km (0.049 R)
• M13: 6,570,638 km (0.029 R)
• M14: 7,102,309 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.1

Radius: 9.2

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.83 AU - 2.47 AU

Year: 2176 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 105.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,620,470 km

• M1: 115,938 km (0.085 R)
• M2: 482,603 km (0.107 R)
• M3: 784,042 km (0.099 R)
• M4: 2,150,769 km (0.08 R)
• M5: 2,471,058 km (0.117 R)
• M6: 4,979,216 km (0.049 R)
• M7: 5,944,720 km (0.098 R)
• M8: 7,262,378 km (0.111 R)
• M9: 8,436,123 km (0.039 R)
• M10: 13,543,694 km (0.077 R)
• M11: 14,178,737 km (0.12 R)
• M12: 17,075,101 km (0.092 R)
• M13: 17,549,177 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 10.9

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2 AU - 3.22 AU

Year: 2911 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,620,470 km

• M1: 135,536 km (0.072 R)
• M2: 594,053 km (0.078 R)
• M3: 970,890 km (0.052 R)
• M4: 1,350,270 km (0.039 R)
• M5: 2,747,215 km (0.03 R)
• M6: 3,263,478 km (0.099 R)
• M7: 3,682,651 km (0.112 R)
• M8: 4,137,578 km (0.072 R)
• M9: 4,560,491 km (0.107 R)
• M10: 5,389,712 km (0.095 R)
• M11: 7,901,610 km (0.116 R)
• M12: 8,345,018 km (0.104 R)
• M13: 9,022,846 km (0.096 R)
• M14: 11,193,062 km (0.118 R)
• M15: 12,241,444 km (0.079 R)
• M16: 13,885,824 km (0.077 R)
• M17: 15,199,293 km (0.092 R)
• M18: 16,428,838 km (0.116 R)
• M19: 17,039,646 km (0.094 R)
• M20: 18,307,039 km (0.087 R)
• M21: 20,261,087 km (0.103 R)
• M22: 20,642,412 km (0.116 R)
• M23: 22,621,442 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 9.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.23 AU - 3.55 AU

Year: 3391 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,620,470 km

• M1: 116,836 km (0.111 R)
• M2: 436,975 km (0.076 R)
• M3: 739,163 km (0.044 R)
• M4: 1,171,202 km (0.085 R)
• M5: 1,755,980 km (0.114 R)
• M6: 2,804,810 km (0.066 R)
• M7: 3,264,226 km (0.118 R)
• M8: 3,655,723 km (0.04 R)
• M9: 4,015,955 km (0.102 R)
• M10: 4,949,894 km (0.108 R)
• M11: 5,967,908 km (0.084 R)
• M12: 6,412,214 km (0.1 R)
• M13: 7,813,198 km (0.066 R)
• M14: 8,311,508 km (0.056 R)
• M15: 8,937,126 km (0.087 R)
• M16: 9,593,711 km (0.061 R)
• M17: 10,678,745 km (0.09 R)
• M18: 12,368,004 km (0.079 R)
• M19: 13,137,236 km (0.106 R)
• M20: 13,794,420 km (0.064 R)
• M21: 14,131,015 km (0.052 R)
• M22: 17,637,589 km (0.106 R)
• M23: 18,437,339 km (0.112 R)
• M24: 20,232,214 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 12,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit