🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 13

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.86 AU

Year: 431 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,882,397 km

• M1: 165,306 km (0.107 R)
• M2: 701,315 km (0.114 R)
• M3: 1,113,607 km (0.069 R)
• M4: 1,695,542 km (0.091 R)
• M5: 2,106,787 km (0.066 R)
• M6: 2,771,749 km (0.114 R)
• M7: 3,230,716 km (0.1 R)
• M8: 4,275,208 km (0.081 R)
• M9: 4,690,192 km (0.089 R)
• M10: 6,027,597 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 11.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.94 AU - 1.16 AU

Year: 743 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,882,397 km

• M1: 141,520 km (0.117 R)
• M2: 494,122 km (0.108 R)
• M3: 2,563,808 km (0.065 R)
• M4: 4,075,196 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.03 AU - 1.35 AU

Year: 896 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,882,397 km

• M1: 166,652 km (0.102 R)
• M2: 936,931 km (0.099 R)
• M3: 2,315,326 km (0.083 R)
• M4: 2,760,230 km (0.083 R)
• M5: 3,888,946 km (0.077 R)
• M6: 4,612,551 km (0.109 R)
• M7: 5,111,460 km (0.034 R)
• M8: 5,791,233 km (0.04 R)
• M9: 6,262,765 km (0.052 R)
• M10: 6,713,653 km (0.097 R)
• M11: 7,962,646 km (0.05 R)
• M12: 8,411,739 km (0.117 R)
• M13: 9,303,342 km (0.027 R)
• M14: 9,802,251 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.9

Radius: 8.2

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.46 AU - 2.08 AU

Year: 1625 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 177.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,882,397 km

• M1: 102,624 km (0.078 R)
• M2: 466,147 km (0.118 R)
• M3: 1,222,065 km (0.056 R)
• M4: 1,546,992 km (0.038 R)
• M5: 1,875,359 km (0.074 R)
• M6: 2,238,134 km (0.096 R)
• M7: 2,827,400 km (0.106 R)
• M8: 3,962,399 km (0.118 R)
• M9: 4,274,161 km (0.119 R)
• M10: 4,762,747 km (0.111 R)
• M11: 6,964,978 km (0.058 R)
• M12: 7,230,663 km (0.1 R)
• M13: 8,753,420 km (0.092 R)
• M14: 9,509,039 km (0.091 R)
• M15: 11,367,194 km (0.109 R)
• M16: 12,381,617 km (0.116 R)
• M17: 13,171,045 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 11

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.42 AU - 3.08 AU

Year: 3148 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 164.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,882,397 km

• M1: 137,780 km (0.113 R)
• M2: 518,057 km (0.065 R)
• M3: 1,044,642 km (0.083 R)
• M4: 2,953,660 km (0.072 R)
• M5: 4,369,006 km (0.112 R)
• M6: 6,327,541 km (0.115 R)
• M7: 9,840,099 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.2

Radius: 9.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.35 AU - 3.61 AU

Year: 4481 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 146.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,882,397 km

• M1: 118,182 km (0.066 R)
• M2: 445,802 km (0.083 R)
• M3: 954,135 km (0.082 R)
• M4: 1,620,444 km (0.054 R)
• M5: 2,082,552 km (0.079 R)
• M6: 2,438,146 km (0.117 R)
• M7: 3,362,362 km (0.102 R)
• M8: 3,717,657 km (0.086 R)
• M9: 5,860,497 km (0.113 R)
• M10: 6,183,329 km (0.109 R)
• M11: 6,489,855 km (0.094 R)
• M12: 6,835,725 km (0.085 R)
• M13: 7,133,425 km (0.097 R)
• M14: 7,754,705 km (0.118 R)
• M15: 8,310,910 km (0.098 R)
• M16: 9,503,055 km (0.102 R)
• M17: 10,101,895 km (0.112 R)
• M18: 10,845,397 km (0.086 R)
• M19: 11,625,101 km (0.07 R)
• M20: 12,266,577 km (0.101 R)
• M21: 12,841,481 km (0.098 R)
• M22: 13,808,033 km (0.1 R)
• M23: 17,216,321 km (0.1 R)
• M24: 18,276,671 km (0.084 R)
• M25: 18,968,262 km (0.089 R)
• M26: 19,677,356 km (0.083 R)
• M27: 20,220,546 km (0.076 R)
• M28: 20,773,759 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.7

Radius: 4.5

Gravity: 44.23 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.84 AU - 9.46 AU

Year: 16060 Days

Day: 23.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,882,397 km

• M1: 56,698 km (0.09 R)
• M2: 224,995 km (0.115 R)
• M3: 630,555 km (0.072 R)
• M4: 2,175,153 km (0.112 R)
• M5: 2,365,741 km (0.042 R)
• M6: 3,520,038 km (0.055 R)
• M7: 4,862,828 km (0.108 R)
• M8: 5,264,199 km (0.109 R)
• M9: 5,569,828 km (0.055 R)
• M10: 6,174,353 km (0.112 R)
• M11: 6,956,451 km (0.087 R)
• M12: 9,196,828 km (0.098 R)
• M13: 11,428,978 km (0.119 R)
• M14: 15,493,103 km (0.032 R)
• M15: 21,755,570 km (0.064 R)
• M16: 24,481,841 km (0.108 R)
• M17: 26,753,485 km (0.098 R)
• M18: 29,636,236 km (0.11 R)
• M19: 31,214,194 km (0.096 R)
• M20: 36,145,838 km (0.113 R)
• M21: 39,225,758 km (0.106 R)
• M22: 40,829,148 km (0.12 R)
• M23: 43,238,871 km (0.112 R)
• M24: 51,377,145 km (0.06 R)
• M25: 56,351,872 km (0.037 R)
• M26: 61,832,839 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 15,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit