🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 8.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.89 AU - 1.03 AU

Year: 638 Days

Day: 7.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,075,755 km

• M1: 106,962 km (0.085 R)
• M2: 433,086 km (0.1 R)
• M3: 823,536 km (0.079 R)
• M4: 1,316,312 km (0.113 R)
• M5: 1,855,163 km (0.066 R)
• M6: 2,210,608 km (0.11 R)
• M7: 2,707,572 km (0.094 R)
• M8: 3,463,191 km (0.052 R)
• M9: 3,936,219 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 10.4

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.02 AU - 1.06 AU

Year: 719 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,075,755 km

• M1: 129,402 km (0.102 R)
• M2: 598,541 km (0.088 R)
• M3: 1,019,809 km (0.111 R)
• M4: 1,430,006 km (0.065 R)
• M5: 2,015,233 km (0.108 R)
• M6: 2,395,959 km (0.093 R)
• M7: 2,958,447 km (0.049 R)
• M8: 3,318,081 km (0.053 R)
• M9: 3,988,279 km (0.049 R)
• M10: 4,712,034 km (0.119 R)
• M11: 5,042,944 km (0.058 R)
• M12: 8,355,939 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 10.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.44 AU - 1.7 AU

Year: 1334 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,075,755 km

• M1: 135,087 km (0.086 R)
• M2: 639,381 km (0.111 R)
• M3: 1,004,550 km (0.114 R)
• M4: 1,402,181 km (0.1 R)
• M5: 1,957,937 km (0.087 R)
• M6: 2,630,080 km (0.104 R)
• M7: 3,249,116 km (0.089 R)
• M8: 3,659,164 km (0.112 R)
• M9: 4,247,383 km (0.107 R)
• M10: 4,622,125 km (0.063 R)
• M11: 5,039,503 km (0.049 R)
• M12: 5,591,220 km (0.08 R)
• M13: 6,324,998 km (0.108 R)
• M14: 7,437,408 km (0.073 R)
• M15: 8,040,287 km (0.094 R)
• M16: 9,097,047 km (0.113 R)
• M17: 9,595,507 km (0.111 R)
• M18: 10,210,952 km (0.071 R)
• M19: 10,990,956 km (0.069 R)
• M20: 12,784,784 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 11.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.24 AU - 3.16 AU

Year: 3009 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,075,755 km

• M1: 146,756 km (0.109 R)
• M2: 946,805 km (0.057 R)
• M3: 1,490,444 km (0.096 R)
• M4: 1,976,038 km (0.081 R)
• M5: 2,551,392 km (0.07 R)
• M6: 3,148,886 km (0.058 R)
• M7: 4,997,018 km (0.072 R)
• M8: 5,989,899 km (0.068 R)
• M9: 6,869,235 km (0.063 R)
• M10: 7,800,183 km (0.116 R)
• M11: 12,920,170 km (0.068 R)
• M12: 14,483,617 km (0.112 R)
• M13: 17,926,163 km (0.107 R)
• M14: 19,324,455 km (0.076 R)
• M15: 20,234,758 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 8.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.43 AU - 3.85 AU

Year: 4710 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,075,755 km

• M1: 113,246 km (0.118 R)
• M2: 659,128 km (0.069 R)
• M3: 990,936 km (0.111 R)
• M4: 3,012,004 km (0.117 R)
• M5: 3,289,508 km (0.103 R)
• M6: 4,188,740 km (0.034 R)
• M7: 4,496,014 km (0.12 R)
• M8: 5,442,371 km (0.104 R)
• M9: 9,892,010 km (0.042 R)
• M10: 12,633,091 km (0.1 R)
• M11: 12,992,725 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 14.4

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.39 AU - 5.63 AU

Year: 8772 Days

Day: 14.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,075,755 km

• M1: 179,069 km (0.09 R)
• M2: 639,680 km (0.085 R)
• M3: 1,123,031 km (0.101 R)
• M4: 2,363,497 km (0.105 R)
• M5: 4,661,769 km (0.105 R)
• M6: 5,440,575 km (0.084 R)
• M7: 6,166,125 km (0.078 R)
• M8: 6,770,351 km (0.048 R)
• M9: 7,220,491 km (0.11 R)
• M10: 10,210,803 km (0.066 R)
• M11: 11,792,052 km (0.092 R)
• M12: 13,946,710 km (0.04 R)
• M13: 17,724,505 km (0.114 R)
• M14: 20,774,955 km (0.066 R)
• M15: 22,548,588 km (0.111 R)
• M16: 24,596,433 km (0.091 R)
• M17: 27,896,861 km (0.083 R)
• M18: 28,863,712 km (0.054 R)
• M19: 30,254,524 km (0.12 R)
• M20: 33,601,178 km (0.091 R)
• M21: 36,496,196 km (0.052 R)
• M22: 39,312,675 km (0.105 R)
• M23: 40,282,967 km (0.12 R)
• M24: 41,268,966 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.3

Radius: 5.8

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.78 AU - 8.36 AU

Year: 15549 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,075,755 km

• M1: 72,555 km (0.09 R)
• M2: 299,046 km (0.09 R)
• M3: 1,027,887 km (0.041 R)
• M4: 1,465,311 km (0.116 R)
• M5: 2,921,796 km (0.102 R)
• M6: 3,974,367 km (0.096 R)
• M7: 4,518,903 km (0.102 R)
• M8: 6,579,614 km (0.104 R)
• M9: 7,527,316 km (0.055 R)
• M10: 9,467,900 km (0.04 R)
• M11: 10,493,991 km (0.118 R)
• M12: 10,912,417 km (0.101 R)
• M13: 11,466,677 km (0.105 R)
• M14: 11,655,619 km (0.106 R)
• M15: 11,975,010 km (0.088 R)
• M16: 13,730,691 km (0.048 R)
• M17: 14,303,651 km (0.093 R)
• M18: 20,381,364 km (0.102 R)
• M19: 21,221,056 km (0.063 R)
• M20: 23,169,120 km (0.105 R)
• M21: 27,304,753 km (0.095 R)
• M22: 28,209,970 km (0.045 R)
• M23: 28,901,710 km (0.072 R)
• M24: 31,658,949 km (0.1 R)
• M25: 33,292,557 km (0.105 R)
• M26: 34,981,368 km (0.081 R)
• M27: 35,779,772 km (0.038 R)
• M28: 38,247,837 km (0.087 R)
• M29: 40,827,054 km (0.118 R)
• M30: 41,267,919 km (0.106 R)
• M31: 43,672,854 km (0.079 R)
• M32: 44,753,849 km (0.097 R)
• M33: 53,173,366 km (0.091 R)
• M34: 56,561,908 km (0.094 R)
• M35: 57,845,607 km (0.083 R)
• M36: 59,902,129 km (0.113 R)
• M37: 64,358,500 km (0.079 R)
• M38: 64,955,695 km (0.06 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: 374 - 10,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit