🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 10.4

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,703,737 km

• M1: 129,402 km (0.118 R)
• M2: 456,573 km (0.093 R)
• M3: 952,190 km (0.113 R)
• M4: 1,428,660 km (0.069 R)
• M5: 2,797,779 km (0.048 R)
• M6: 3,702,099 km (0.03 R)
• M7: 4,290,617 km (0.026 R)
• M8: 4,790,573 km (0.119 R)
• M9: 5,360,989 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 11.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.64 AU - 0.78 AU

Year: 399 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,703,737 km

• M1: 141,968 km (0.064 R)
• M2: 508,932 km (0.109 R)
• M3: 872,604 km (0.09 R)
• M4: 1,392,008 km (0.114 R)
• M5: 1,926,521 km (0.077 R)
• M6: 2,336,868 km (0.081 R)
• M7: 2,805,708 km (0.104 R)
• M8: 3,263,328 km (0.093 R)
• M9: 3,633,134 km (0.086 R)
• M10: 4,018,947 km (0.071 R)
• M11: 4,380,674 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 14.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.72 AU - 0.88 AU

Year: 477 Days

Day: 7.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,703,737 km

• M1: 182,809 km (0.076 R)
• M2: 706,700 km (0.107 R)
• M3: 1,170,903 km (0.084 R)
• M4: 1,919,640 km (0.12 R)
• M5: 3,329,450 km (0.111 R)
• M6: 4,167,797 km (0.071 R)
• M7: 4,703,507 km (0.1 R)
• M8: 5,845,986 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 11.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.02 AU - 3.32 AU

Year: 3764 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,703,737 km

• M1: 144,212 km (0.095 R)
• M2: 517,010 km (0.067 R)
• M3: 1,010,534 km (0.031 R)
• M4: 1,459,327 km (0.076 R)
• M5: 1,862,045 km (0.099 R)
• M6: 2,851,036 km (0.097 R)
• M7: 3,961,202 km (0.109 R)
• M8: 4,389,501 km (0.091 R)
• M9: 4,985,648 km (0.114 R)
• M10: 5,915,698 km (0.082 R)
• M11: 6,616,115 km (0.111 R)
• M12: 7,251,308 km (0.037 R)
• M13: 7,614,681 km (0.111 R)
• M14: 8,846,620 km (0.078 R)
• M15: 10,094,864 km (0.028 R)
• M16: 11,376,170 km (0.117 R)
• M17: 11,826,460 km (0.099 R)
• M18: 13,159,975 km (0.098 R)
• M19: 14,831,432 km (0.115 R)
• M20: 15,468,420 km (0.072 R)
• M21: 17,328,221 km (0.103 R)
• M22: 18,145,474 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 11.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.16 AU - 3.76 AU

Year: 4292 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,703,737 km

• M1: 144,512 km (0.072 R)
• M2: 696,378 km (0.086 R)
• M3: 1,075,609 km (0.078 R)
• M4: 2,142,690 km (0.085 R)
• M5: 3,044,765 km (0.088 R)
• M6: 3,484,583 km (0.111 R)
• M7: 4,367,659 km (0.056 R)
• M8: 6,041,360 km (0.029 R)
• M9: 7,642,656 km (0.086 R)
• M10: 9,128,163 km (0.051 R)
• M11: 9,651,755 km (0.089 R)
• M12: 12,323,573 km (0.066 R)
• M13: 12,747,983 km (0.071 R)
• M14: 15,749,215 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 12

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.34 AU - 4.26 AU

Year: 4940 Days

Day: 6.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,703,737 km

• M1: 159,172 km (0.111 R)
• M2: 595,250 km (0.091 R)
• M3: 980,016 km (0.084 R)
• M4: 1,368,821 km (0.075 R)
• M5: 2,944,385 km (0.092 R)
• M6: 3,491,913 km (0.053 R)
• M7: 3,930,235 km (0.092 R)
• M8: 4,892,898 km (0.101 R)
• M9: 7,150,329 km (0.1 R)
• M10: 7,861,219 km (0.111 R)
• M11: 9,583,090 km (0.113 R)
• M12: 10,029,640 km (0.102 R)
• M13: 11,140,703 km (0.03 R)
• M14: 12,284,828 km (0.099 R)
• M15: 13,759,264 km (0.069 R)
• M16: 16,705,445 km (0.063 R)
• M17: 21,119,479 km (0.064 R)
• M18: 25,398,577 km (0.114 R)
• M19: 26,731,344 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 13.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.12 AU - 5.02 AU

Year: 6515 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,703,737 km

• M1: 165,455 km (0.096 R)
• M2: 672,143 km (0.099 R)
• M3: 1,276,668 km (0.111 R)
• M4: 1,862,643 km (0.113 R)
• M5: 2,279,423 km (0.114 R)
• M6: 3,172,971 km (0.108 R)
• M7: 3,861,570 km (0.049 R)
• M8: 4,382,320 km (0.087 R)
• M9: 6,416,103 km (0.101 R)
• M10: 8,559,691 km (0.109 R)
• M11: 9,732,987 km (0.098 R)
• M12: 11,055,283 km (0.059 R)
• M13: 11,736,701 km (0.052 R)
• M14: 12,737,511 km (0.079 R)
• M15: 14,963,677 km (0.044 R)
• M16: 15,968,376 km (0.102 R)
• M17: 18,299,410 km (0.077 R)
• M18: 18,932,059 km (0.093 R)
• M19: 19,448,471 km (0.067 R)
• M20: 20,107,300 km (0.106 R)
• M21: 21,192,334 km (0.064 R)
• M22: 21,679,125 km (0.091 R)
• M23: 25,221,303 km (0.066 R)
• M24: 26,084,334 km (0.042 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 15,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit