🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 13.3

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 14.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 63.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,759,497 km

• M1: 165,455 km (0.045 R)
• M2: 647,011 km (0.069 R)
• M3: 1,065,286 km (0.109 R)
• M4: 1,601,894 km (0.108 R)
• M5: 2,073,426 km (0.106 R)
• M6: 2,819,471 km (0.037 R)
• M7: 3,919,614 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.54 AU - 0.78 AU

Year: 370 Days

Day: 11 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,759,497 km

• M1: 111,899 km (0.098 R)
• M2: 409,150 km (0.072 R)
• M3: 734,226 km (0.12 R)
• M4: 1,038,658 km (0.101 R)
• M5: 1,542,653 km (0.08 R)
• M6: 1,996,832 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 13.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.85 AU - 1.29 AU

Year: 764 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,759,497 km

• M1: 175,777 km (0.095 R)
• M2: 2,033,933 km (0.11 R)
• M3: 2,668,676 km (0.045 R)
• M4: 4,118,729 km (0.091 R)
• M5: 4,552,862 km (0.117 R)
• M6: 4,982,058 km (0.097 R)
• M7: 5,476,180 km (0.097 R)
• M8: 6,457,242 km (0.109 R)
• M9: 7,984,487 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 15

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.98 AU - 1.2 AU

Year: 786 Days

Day: 11.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,759,497 km

• M1: 189,241 km (0.077 R)
• M2: 855,849 km (0.104 R)
• M3: 1,441,675 km (0.117 R)
• M4: 2,025,705 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 11.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.07 AU - 1.71 AU

Year: 1131 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,759,497 km

• M1: 138,079 km (0.07 R)
• M2: 551,418 km (0.116 R)
• M3: 991,983 km (0.095 R)
• M4: 1,360,443 km (0.056 R)
• M5: 1,748,650 km (0.056 R)
• M6: 2,169,169 km (0.087 R)
• M7: 2,730,610 km (0.059 R)
• M8: 3,578,381 km (0.119 R)
• M9: 3,934,424 km (0.112 R)
• M10: 4,382,918 km (0.114 R)
• M11: 5,584,189 km (0.08 R)
• M12: 7,257,142 km (0.11 R)
• M13: 8,248,527 km (0.109 R)
• M14: 9,184,561 km (0.065 R)
• M15: 10,282,011 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 9.8

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.93 AU - 3.91 AU

Year: 4366 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,759,497 km

• M1: 125,213 km (0.096 R)
• M2: 474,076 km (0.097 R)
• M3: 848,669 km (0.11 R)
• M4: 1,305,391 km (0.088 R)
• M5: 1,647,073 km (0.052 R)
• M6: 2,166,925 km (0.089 R)
• M7: 4,046,024 km (0.096 R)
• M8: 4,355,692 km (0.075 R)
• M9: 5,077,053 km (0.08 R)
• M10: 5,552,624 km (0.092 R)
• M11: 6,756,737 km (0.103 R)
• M12: 7,686,787 km (0.043 R)
• M13: 8,936,827 km (0.111 R)
• M14: 9,423,469 km (0.111 R)
• M15: 10,361,597 km (0.058 R)
• M16: 14,521,166 km (0.089 R)
• M17: 16,967,989 km (0.105 R)
• M18: 19,207,170 km (0.101 R)
• M19: 19,949,774 km (0.119 R)
• M20: 20,851,998 km (0.103 R)
• M21: 21,492,277 km (0.049 R)
• M22: 22,588,680 km (0.108 R)
• M23: 23,037,474 km (0.059 R)
• M24: 23,492,251 km (0.085 R)
• M25: 26,678,686 km (0.109 R)
• M26: 28,548,510 km (0.087 R)
• M27: 29,604,521 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 9.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.13 AU - 4.27 AU

Year: 4913 Days

Day: 10 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,759,497 km

• M1: 123,119 km (0.112 R)
• M2: 541,095 km (0.112 R)
• M3: 1,085,931 km (0.066 R)
• M4: 1,491,341 km (0.097 R)
• M5: 2,023,162 km (0.086 R)
• M6: 2,582,807 km (0.111 R)
• M7: 3,297,885 km (0.116 R)
• M8: 3,742,640 km (0.115 R)
• M9: 4,271,019 km (0.083 R)
• M10: 6,046,447 km (0.104 R)
• M11: 6,447,519 km (0.101 R)
• M12: 7,496,200 km (0.053 R)
• M13: 9,465,656 km (0.11 R)
• M14: 10,984,373 km (0.093 R)
• M15: 11,409,680 km (0.061 R)
• M16: 11,890,188 km (0.099 R)
• M17: 12,293,355 km (0.112 R)
• M18: 16,564,075 km (0.062 R)
• M19: 19,366,940 km (0.055 R)
• M20: 21,140,274 km (0.119 R)

Asteroid Belt

Center: 6.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264

Radius: 7.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.37 AU - 11.97 AU

Year: 20756 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,759,497 km

• M1: 94,546 km (0.114 R)
• M2: 561,590 km (0.089 R)
• M3: 887,714 km (0.102 R)
• M4: 1,968,708 km (0.101 R)
• M5: 2,629,631 km (0.079 R)
• M6: 4,292,711 km (0.074 R)
• M7: 5,258,066 km (0.112 R)
• M8: 6,679,844 km (0.032 R)
• M9: 7,220,192 km (0.094 R)
• M10: 7,924,947 km (0.072 R)
• M11: 9,017,161 km (0.063 R)
• M12: 9,470,892 km (0.072 R)
• M13: 9,834,115 km (0.066 R)
• M14: 11,910,683 km (0.059 R)
• M15: 12,273,009 km (0.078 R)
• M16: 14,810,040 km (0.108 R)
• M17: 16,164,349 km (0.119 R)
• M18: 19,364,547 km (0.113 R)
• M19: 20,633,735 km (0.102 R)
• M20: 22,778,370 km (0.106 R)
• M21: 23,149,672 km (0.098 R)
• M22: 27,192,405 km (0.054 R)
• M23: 30,208,597 km (0.084 R)
• M24: 31,452,204 km (0.069 R)
• M25: 34,283,344 km (0.073 R)
• M26: 35,636,008 km (0.092 R)
• M27: 38,316,503 km (0.107 R)
• M28: 39,907,027 km (0.105 R)
• M29: 40,582,611 km (0.113 R)
• M30: 41,956,518 km (0.076 R)
• M31: 45,087,751 km (0.098 R)
• M32: 50,384,862 km (0.039 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 17,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit