🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 11.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.28 AU - 1.56 AU

Year: 1148 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,167,634 km

• M1: 139,276 km (0.057 R)
• M2: 577,897 km (0.085 R)
• M3: 1,082,041 km (0.082 R)
• M4: 1,452,745 km (0.087 R)
• M5: 1,818,213 km (0.068 R)
• M6: 2,406,731 km (0.111 R)
• M7: 3,131,981 km (0.114 R)
• M8: 3,707,634 km (0.104 R)
• M9: 4,469,835 km (0.115 R)
• M10: 5,015,717 km (0.094 R)
• M11: 7,062,216 km (0.114 R)
• M12: 8,972,880 km (0.079 R)
• M13: 9,642,181 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 11

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.4 AU - 2.08 AU

Year: 1557 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,167,634 km

• M1: 136,882 km (0.102 R)
• M2: 482,453 km (0.082 R)
• M3: 1,230,742 km (0.109 R)
• M4: 1,841,849 km (0.095 R)
• M5: 2,395,361 km (0.084 R)
• M6: 2,915,662 km (0.091 R)
• M7: 3,720,499 km (0.109 R)
• M8: 4,310,962 km (0.113 R)
• M9: 4,942,714 km (0.111 R)
• M10: 5,483,211 km (0.071 R)
• M11: 6,272,639 km (0.091 R)
• M12: 6,856,669 km (0.093 R)
• M13: 7,449,974 km (0.115 R)
• M14: 7,855,235 km (0.119 R)
• M15: 8,389,598 km (0.092 R)
• M16: 8,828,518 km (0.055 R)
• M17: 9,375,448 km (0.074 R)
• M18: 10,238,029 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 14.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.99 AU - 2.29 AU

Year: 2123 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,167,634 km

• M1: 180,265 km (0.076 R)
• M2: 668,104 km (0.065 R)
• M3: 1,157,888 km (0.114 R)
• M4: 2,029,146 km (0.113 R)
• M5: 2,595,074 km (0.112 R)
• M6: 3,094,432 km (0.073 R)
• M7: 3,776,299 km (0.096 R)
• M8: 4,274,460 km (0.083 R)
• M9: 4,905,464 km (0.105 R)
• M10: 5,756,376 km (0.111 R)
• M11: 6,681,639 km (0.115 R)
• M12: 7,900,712 km (0.061 R)
• M13: 8,433,281 km (0.051 R)
• M14: 9,016,862 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 10.8

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.17 AU - 2.47 AU

Year: 2397 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,167,634 km

• M1: 134,339 km (0.097 R)
• M2: 713,133 km (0.08 R)
• M3: 1,273,676 km (0.106 R)
• M4: 1,738,178 km (0.074 R)
• M5: 2,179,043 km (0.12 R)
• M6: 2,724,925 km (0.051 R)
• M7: 3,132,430 km (0.052 R)
• M8: 3,791,109 km (0.088 R)
• M9: 4,279,995 km (0.1 R)
• M10: 4,741,804 km (0.094 R)
• M11: 5,115,798 km (0.056 R)
• M12: 7,538,985 km (0.096 R)
• M13: 9,430,051 km (0.066 R)
• M14: 10,176,395 km (0.115 R)
• M15: 11,744,480 km (0.085 R)
• M16: 14,903,837 km (0.071 R)
• M17: 15,353,977 km (0.087 R)
• M18: 16,124,257 km (0.104 R)
• M19: 17,245,643 km (0.07 R)
• M20: 18,532,633 km (0.079 R)
• M21: 19,111,726 km (0.069 R)
• M22: 19,762,627 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 14.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.38 AU - 5 AU

Year: 5817 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,167,634 km

• M1: 187,596 km (0.116 R)
• M2: 665,711 km (0.108 R)
• M3: 1,178,083 km (0.084 R)
• M4: 1,638,695 km (0.077 R)
• M5: 2,129,376 km (0.078 R)
• M6: 2,869,437 km (0.042 R)
• M7: 3,396,919 km (0.085 R)
• M8: 5,625,030 km (0.115 R)
• M9: 6,358,807 km (0.112 R)
• M10: 6,871,329 km (0.085 R)
• M11: 7,522,679 km (0.108 R)
• M12: 8,018,595 km (0.101 R)
• M13: 9,246,944 km (0.084 R)
• M14: 12,076,139 km (0.111 R)
• M15: 13,081,287 km (0.106 R)
• M16: 17,206,149 km (0.061 R)
• M17: 21,362,576 km (0.115 R)
• M18: 21,896,491 km (0.11 R)
• M19: 22,991,098 km (0.064 R)
• M20: 31,600,306 km (0.094 R)
• M21: 35,489,103 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.3

Radius: 4.9

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.11 AU - 8.47 AU

Year: 12000 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,167,634 km

• M1: 62,083 km (0.064 R)
• M2: 426,055 km (0.116 R)
• M3: 594,652 km (0.114 R)
• M4: 768,185 km (0.079 R)
• M5: 947,852 km (0.111 R)
• M6: 1,145,022 km (0.115 R)
• M7: 1,967,661 km (0.12 R)
• M8: 2,465,672 km (0.112 R)
• M9: 3,342,465 km (0.101 R)
• M10: 4,357,188 km (0.11 R)
• M11: 4,792,817 km (0.048 R)
• M12: 5,197,329 km (0.113 R)
• M13: 5,562,049 km (0.095 R)
• M14: 6,274,434 km (0.099 R)
• M15: 7,568,605 km (0.088 R)
• M16: 9,920,134 km (0.081 R)
• M17: 10,151,263 km (0.041 R)
• M18: 10,576,121 km (0.106 R)
• M19: 10,817,272 km (0.067 R)
• M20: 13,889,414 km (0.111 R)
• M21: 14,769,349 km (0.097 R)
• M22: 15,499,536 km (0.115 R)
• M23: 15,748,168 km (0.057 R)
• M24: 23,268,154 km (0.073 R)
• M25: 24,089,147 km (0.073 R)
• M26: 26,313,667 km (0.116 R)
• M27: 26,667,616 km (0.072 R)
• M28: 31,962,183 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.8

Radius: 3

Gravity: 31.09 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.64 AU - 8.28 AU

Year: 12454 Days

Day: 18 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,167,634 km

• M1: 37,399 km (0.073 R)
• M2: 242,947 km (0.075 R)
• M3: 1,114,803 km (0.098 R)
• M4: 2,276,431 km (0.12 R)
• M5: 2,769,655 km (0.115 R)
• M6: 2,892,774 km (0.042 R)
• M7: 3,062,867 km (0.108 R)
• M8: 3,194,663 km (0.052 R)
• M9: 3,988,728 km (0.1 R)
• M10: 7,534,646 km (0.101 R)
• M11: 14,024,501 km (0.072 R)
• M12: 20,086,057 km (0.089 R)
• M13: 23,216,692 km (0.111 R)
• M14: 28,354,182 km (0.1 R)
• M15: 32,695,662 km (0.098 R)
• M16: 40,921,301 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 17,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit