🌌 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: 773.2

Radius: 11.4

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.92 AU - 1 AU

Year: 661 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,415,734 km

• M1: 143,614 km (0.106 R)
• M2: 515,963 km (0.115 R)
• M3: 942,766 km (0.088 R)
• M4: 1,497,774 km (0.07 R)
• M5: 2,108,881 km (0.089 R)
• M6: 2,510,551 km (0.086 R)
• M7: 2,903,994 km (0.119 R)
• M8: 3,377,920 km (0.089 R)
• M9: 3,788,267 km (0.079 R)
• M10: 4,155,679 km (0.114 R)
• M11: 4,595,347 km (0.082 R)
• M12: 5,385,673 km (0.11 R)
• M13: 6,823,159 km (0.119 R)
• M14: 7,325,209 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.7

Radius: 10.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.89 AU - 1.27 AU

Year: 789 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,415,734 km

• M1: 128,654 km (0.096 R)
• M2: 501,751 km (0.115 R)
• M3: 896,839 km (0.108 R)
• M4: 1,295,368 km (0.11 R)
• M5: 1,717,084 km (0.08 R)
• M6: 2,065,947 km (0.064 R)
• M7: 2,472,554 km (0.042 R)
• M8: 2,809,598 km (0.12 R)
• M9: 3,512,708 km (0.075 R)
• M10: 4,196,819 km (0.113 R)
• M11: 4,617,338 km (0.116 R)
• M12: 6,788,901 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 9.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.37 AU - 1.63 AU

Year: 1291 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 51.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,415,734 km

• M1: 114,442 km (0.119 R)
• M2: 450,738 km (0.081 R)
• M3: 822,938 km (0.047 R)
• M4: 1,199,775 km (0.092 R)
• M5: 1,529,189 km (0.037 R)
• M6: 1,837,959 km (0.114 R)
• M7: 2,450,862 km (0.114 R)
• M8: 2,745,869 km (0.072 R)
• M9: 3,128,839 km (0.105 R)
• M10: 3,957,163 km (0.097 R)
• M11: 4,563,633 km (0.058 R)
• M12: 4,960,067 km (0.046 R)
• M13: 5,249,240 km (0.043 R)
• M14: 6,521,121 km (0.089 R)
• M15: 7,092,585 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 12.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.14 AU - 1.9 AU

Year: 1317 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,415,734 km

• M1: 150,495 km (0.11 R)
• M2: 540,198 km (0.117 R)
• M3: 1,031,477 km (0.097 R)
• M4: 1,408,913 km (0.053 R)
• M5: 1,832,275 km (0.107 R)
• M6: 3,109,841 km (0.101 R)
• M7: 3,631,937 km (0.105 R)
• M8: 4,682,264 km (0.04 R)
• M9: 6,125,584 km (0.087 R)
• M10: 6,901,099 km (0.115 R)
• M11: 7,557,086 km (0.051 R)
• M12: 8,062,577 km (0.113 R)
• M13: 9,410,454 km (0.084 R)
• M14: 10,314,025 km (0.051 R)
• M15: 10,803,659 km (0.092 R)
• M16: 12,042,329 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 12.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.46 AU - 3.12 AU

Year: 3276 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,415,734 km

• M1: 154,235 km (0.049 R)
• M2: 707,299 km (0.119 R)
• M3: 1,235,529 km (0.071 R)
• M4: 1,655,899 km (0.104 R)
• M5: 2,173,059 km (0.105 R)
• M6: 3,790,511 km (0.104 R)
• M7: 5,125,073 km (0.052 R)
• M8: 5,576,709 km (0.079 R)
• M9: 7,709,526 km (0.105 R)
• M10: 8,727,390 km (0.086 R)
• M11: 10,795,880 km (0.094 R)
• M12: 11,926,690 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.2

Radius: 7.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.02 AU - 7.52 AU

Year: 13779 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,415,734 km

• M1: 97,538 km (0.115 R)
• M2: 782,247 km (0.076 R)
• M3: 1,534,126 km (0.045 R)
• M4: 1,929,364 km (0.105 R)
• M5: 2,779,379 km (0.116 R)
• M6: 3,884,010 km (0.094 R)
• M7: 4,449,938 km (0.093 R)
• M8: 5,131,357 km (0.079 R)
• M9: 6,087,437 km (0.096 R)
• M10: 7,840,275 km (0.106 R)
• M11: 8,877,138 km (0.048 R)
• M12: 9,712,791 km (0.06 R)
• M13: 11,326,354 km (0.118 R)
• M14: 13,887,021 km (0.099 R)
• M15: 17,018,104 km (0.068 R)
• M16: 17,369,210 km (0.099 R)
• M17: 17,868,867 km (0.11 R)
• M18: 18,896,605 km (0.066 R)
• M19: 20,353,987 km (0.074 R)
• M20: 22,975,241 km (0.094 R)
• M21: 24,101,713 km (0.091 R)
• M22: 24,544,523 km (0.116 R)
• M23: 25,173,731 km (0.076 R)
• M24: 28,089,693 km (0.08 R)
• M25: 28,580,224 km (0.053 R)
• M26: 28,976,808 km (0.056 R)
• M27: 30,086,077 km (0.081 R)
• M28: 33,583,824 km (0.104 R)
• M29: 35,830,635 km (0.106 R)
• M30: 38,777,563 km (0.063 R)
• M31: 39,508,050 km (0.12 R)
• M32: 40,496,443 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.4

Radius: 4.4

Gravity: 31.43 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.8 AU - 11.42 AU

Year: 20941 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,415,734 km

• M1: 57,745 km (0.052 R)
• M2: 314,156 km (0.066 R)
• M3: 472,580 km (0.098 R)
• M4: 983,606 km (0.12 R)
• M5: 1,218,175 km (0.119 R)
• M6: 1,394,551 km (0.102 R)
• M7: 1,587,981 km (0.118 R)
• M8: 2,089,433 km (0.095 R)
• M9: 2,594,326 km (0.081 R)
• M10: 3,016,641 km (0.079 R)
• M11: 3,841,075 km (0.096 R)
• M12: 5,248,641 km (0.066 R)
• M13: 6,004,709 km (0.038 R)
• M14: 7,438,006 km (0.113 R)
• M15: 7,928,986 km (0.104 R)
• M16: 8,920,820 km (0.095 R)
• M17: 12,321,329 km (0.072 R)
• M18: 12,937,972 km (0.12 R)
• M19: 14,306,942 km (0.094 R)
• M20: 15,064,805 km (0.051 R)
• M21: 16,742,994 km (0.03 R)
• M22: 17,244,446 km (0.094 R)
• M23: 24,171,276 km (0.093 R)
• M24: 24,811,555 km (0.099 R)
• M25: 25,027,425 km (0.094 R)
• M26: 27,027,249 km (0.064 R)
• M27: 27,716,895 km (0.109 R)
• M28: 28,536,093 km (0.079 R)
• M29: 31,090,776 km (0.116 R)
• M30: 39,367,577 km (0.073 R)
• M31: 40,253,197 km (0.066 R)
• M32: 41,151,981 km (0.062 R)
• M33: 48,492,000 km (0.112 R)
• M34: 50,887,660 km (0.116 R)
• M35: 51,762,060 km (0.086 R)
• M36: 55,913,700 km (0.032 R)
• M37: 60,671,810 km (0.116 R)
• M38: 60,867,634 km (0.118 R)
• M39: 62,648,447 km (0.03 R)
• M40: 73,177,444 km (0.076 R)
• M41: 74,290,901 km (0.057 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 19,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit