🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.3

Radius: 12.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.67 AU - 0.95 AU

Year: 503 Days

Day: 11.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,625,280 km

• M1: 156,479 km (0.109 R)
• M2: 592,258 km (0.051 R)
• M3: 1,014,124 km (0.068 R)
• M4: 1,793,978 km (0.109 R)
• M5: 2,903,545 km (0.117 R)
• M6: 4,168,395 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 8.5

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.89 AU - 0.99 AU

Year: 629 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,625,280 km

• M1: 106,813 km (0.054 R)
• M2: 384,915 km (0.119 R)
• M3: 678,875 km (0.115 R)
• M4: 1,080,545 km (0.113 R)
• M5: 1,379,741 km (0.076 R)
• M6: 1,726,210 km (0.063 R)
• M7: 2,082,402 km (0.108 R)
• M8: 2,519,827 km (0.109 R)
• M9: 3,309,853 km (0.12 R)
• M10: 3,819,982 km (0.095 R)
• M11: 4,859,238 km (0.066 R)
• M12: 6,482,225 km (0.071 R)
• M13: 7,462,241 km (0.074 R)
• M14: 8,071,703 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.2

Radius: 14.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.31 AU - 1.93 AU

Year: 1423 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,625,280 km

• M1: 181,761 km (0.047 R)
• M2: 764,894 km (0.1 R)
• M3: 1,614,311 km (0.054 R)
• M4: 2,348,537 km (0.098 R)
• M5: 2,828,896 km (0.11 R)
• M6: 3,532,903 km (0.085 R)
• M7: 3,992,468 km (0.059 R)
• M8: 5,312,071 km (0.07 R)
• M9: 6,927,129 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 10.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.36 AU - 3.9 AU

Year: 3822 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,625,280 km

• M1: 131,347 km (0.092 R)
• M2: 478,264 km (0.071 R)
• M3: 1,002,605 km (0.119 R)
• M4: 1,743,264 km (0.072 R)
• M5: 3,023,373 km (0.101 R)
• M6: 4,126,358 km (0.063 R)
• M7: 4,559,145 km (0.088 R)
• M8: 5,238,169 km (0.109 R)
• M9: 6,391,719 km (0.086 R)
• M10: 8,644,962 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 11.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.47 AU - 5.15 AU

Year: 6176 Days

Day: 6 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,625,280 km

• M1: 146,008 km (0.119 R)
• M2: 1,235,678 km (0.077 R)
• M3: 1,870,422 km (0.032 R)
• M4: 2,481,230 km (0.037 R)
• M5: 3,830,753 km (0.093 R)
• M6: 4,326,670 km (0.119 R)
• M7: 6,208,461 km (0.111 R)
• M8: 7,570,699 km (0.086 R)
• M9: 8,225,639 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.3

Radius: 3.3

Gravity: 67.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.98 AU - 8.82 AU

Year: 16805 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 91,625,280 km

• M1: 42,187 km (0.091 R)
• M2: 151,991 km (0.092 R)
• M3: 270,174 km (0.094 R)
• M4: 381,325 km (0.108 R)
• M5: 523,742 km (0.071 R)
• M6: 883,824 km (0.11 R)
• M7: 1,330,075 km (0.113 R)
• M8: 1,987,109 km (0.088 R)
• M9: 2,715,800 km (0.061 R)
• M10: 2,960,243 km (0.093 R)
• M11: 3,549,658 km (0.043 R)
• M12: 4,024,781 km (0.104 R)
• M13: 4,991,782 km (0.113 R)
• M14: 5,136,293 km (0.06 R)
• M15: 5,246,547 km (0.056 R)
• M16: 5,781,958 km (0.113 R)
• M17: 9,283,595 km (0.086 R)
• M18: 9,502,307 km (0.098 R)
• M19: 10,121,642 km (0.079 R)
• M20: 10,470,505 km (0.107 R)
• M21: 11,946,587 km (0.097 R)
• M22: 12,140,466 km (0.086 R)
• M23: 13,837,354 km (0.047 R)
• M24: 13,979,622 km (0.095 R)
• M25: 16,951,982 km (0.105 R)
• M26: 17,443,710 km (0.106 R)
• M27: 18,114,058 km (0.109 R)
• M28: 20,595,438 km (0.104 R)
• M29: 22,304,743 km (0.106 R)
• M30: 22,994,390 km (0.034 R)
• M31: 24,623,510 km (0.109 R)
• M32: 25,253,916 km (0.052 R)
• M33: 26,766,201 km (0.037 R)
• M34: 30,688,358 km (0.114 R)
• M35: 33,165,399 km (0.089 R)
• M36: 33,548,070 km (0.075 R)
• M37: 38,935,539 km (0.089 R)
• M38: 50,368,556 km (0.035 R)
• M39: 54,330,955 km (0.109 R)
• M40: 54,507,779 km (0.082 R)
• M41: 59,241,505 km (0.025 R)
• M42: 60,751,396 km (0.065 R)
• M43: 62,286,569 km (0.102 R)
• M44: 69,308,095 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.3

Radius: 7.2

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.77 AU - 12.85 AU

Year: 22851 Days

Day: 18.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,625,280 km

• M1: 89,609 km (0.081 R)
• M2: 855,251 km (0.116 R)
• M3: 1,232,537 km (0.043 R)
• M4: 2,276,132 km (0.103 R)
• M5: 4,289,420 km (0.118 R)
• M6: 6,679,246 km (0.034 R)
• M7: 7,216,003 km (0.105 R)
• M8: 7,572,195 km (0.034 R)
• M9: 7,886,949 km (0.095 R)
• M10: 11,531,453 km (0.093 R)
• M11: 11,878,221 km (0.064 R)
• M12: 12,447,440 km (0.073 R)
• M13: 16,337,583 km (0.11 R)
• M14: 18,415,199 km (0.039 R)
• M15: 18,698,537 km (0.12 R)
• M16: 19,080,909 km (0.109 R)
• M17: 19,664,191 km (0.112 R)
• M18: 20,866,360 km (0.107 R)
• M19: 23,527,108 km (0.091 R)
• M20: 27,991,557 km (0.095 R)
• M21: 35,992,051 km (0.11 R)
• M22: 42,533,218 km (0.12 R)
• M23: 44,538,128 km (0.118 R)
• M24: 48,018,224 km (0.086 R)
• M25: 49,641,809 km (0.047 R)
• M26: 50,374,989 km (0.118 R)
• M27: 54,343,072 km (0.118 R)
• M28: 56,502,517 km (0.103 R)
• M29: 57,301,819 km (0.102 R)
• M30: 59,127,511 km (0.107 R)
• M31: 68,162,624 km (0.104 R)
• M32: 72,301,100 km (0.114 R)
• M33: 73,716,894 km (0.108 R)
• M34: 81,074,566 km (0.079 R)
• M35: 82,602,409 km (0.038 R)
• M36: 84,409,252 km (0.117 R)
• M37: 87,301,428 km (0.116 R)
• M38: 88,101,627 km (0.066 R)
• M39: 89,716,386 km (0.153 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 12,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit