🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.6

Radius: 8.8

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.77 AU - 1.01 AU

Year: 580 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,711,019 km

• M1: 109,506 km (0.091 R)
• M2: 408,103 km (0.113 R)
• M3: 763,248 km (0.109 R)
• M4: 1,062,743 km (0.076 R)
• M5: 1,339,200 km (0.089 R)
• M6: 1,884,634 km (0.063 R)
• M7: 2,679,148 km (0.104 R)
• M8: 3,044,017 km (0.118 R)
• M9: 3,326,757 km (0.117 R)
• M10: 3,762,985 km (0.032 R)
• M11: 4,606,567 km (0.09 R)
• M12: 4,964,106 km (0.072 R)
• M13: 5,607,078 km (0.098 R)
• M14: 6,603,250 km (0.119 R)
• M15: 7,122,205 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 12.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.93 AU - 1.51 AU

Year: 930 Days

Day: 13.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,711,019 km

• M1: 156,330 km (0.118 R)
• M2: 615,296 km (0.092 R)
• M3: 1,172,249 km (0.032 R)
• M4: 1,573,171 km (0.103 R)
• M5: 1,969,606 km (0.059 R)
• M6: 2,413,612 km (0.094 R)
• M7: 2,809,897 km (0.104 R)
• M8: 3,389,888 km (0.045 R)
• M9: 4,151,640 km (0.099 R)
• M10: 4,957,225 km (0.053 R)
• M11: 5,845,387 km (0.086 R)
• M12: 6,327,840 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.9

Radius: 11.5

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.2 AU - 1.62 AU

Year: 1156 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,711,019 km

• M1: 143,016 km (0.049 R)
• M2: 519,553 km (0.115 R)
• M3: 1,184,516 km (0.05 R)
• M4: 1,639,144 km (0.074 R)
• M5: 2,366,489 km (0.108 R)
• M6: 2,728,366 km (0.09 R)
• M7: 3,283,524 km (0.101 R)
• M8: 4,044,827 km (0.116 R)
• M9: 4,566,774 km (0.111 R)
• M10: 5,212,289 km (0.111 R)
• M11: 5,896,101 km (0.119 R)
• M12: 6,499,130 km (0.086 R)
• M13: 7,167,683 km (0.111 R)
• M14: 8,839,888 km (0.104 R)
• M15: 9,362,134 km (0.109 R)
• M16: 10,500,574 km (0.043 R)
• M17: 11,186,480 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 13.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.14 AU - 1.72 AU

Year: 1180 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,711,019 km

• M1: 169,195 km (0.097 R)
• M2: 696,827 km (0.06 R)
• M3: 1,280,707 km (0.035 R)
• M4: 1,897,799 km (0.084 R)
• M5: 2,381,748 km (0.113 R)
• M6: 3,272,154 km (0.112 R)
• M7: 3,787,519 km (0.083 R)
• M8: 4,221,951 km (0.067 R)
• M9: 4,871,804 km (0.102 R)
• M10: 5,587,630 km (0.069 R)
• M11: 6,218,783 km (0.096 R)
• M12: 6,642,744 km (0.088 R)
• M13: 7,474,807 km (0.083 R)
• M14: 7,954,867 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.3

Radius: 3.1

Gravity: 99.82 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.87 AU - 7.37 AU

Year: 11757 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,711,019 km

• M1: 46,974 km (0.06 R)
• M2: 202,406 km (0.095 R)
• M3: 326,722 km (0.091 R)
• M4: 474,375 km (0.059 R)
• M5: 623,674 km (0.084 R)
• M6: 755,469 km (0.114 R)
• M7: 1,349,074 km (0.093 R)
• M8: 1,886,878 km (0.072 R)
• M9: 2,917,757 km (0.097 R)
• M10: 3,418,910 km (0.118 R)
• M11: 3,945,943 km (0.093 R)
• M12: 4,719,214 km (0.099 R)
• M13: 5,370,564 km (0.089 R)
• M14: 6,002,465 km (0.05 R)
• M15: 6,276,379 km (0.028 R)
• M16: 6,599,660 km (0.101 R)
• M17: 6,934,011 km (0.098 R)
• M18: 8,240,599 km (0.092 R)
• M19: 10,134,508 km (0.117 R)
• M20: 13,063,036 km (0.112 R)
• M21: 17,595,103 km (0.113 R)
• M22: 17,913,747 km (0.052 R)
• M23: 24,923,454 km (0.077 R)
• M24: 28,917,568 km (0.047 R)
• M25: 30,035,363 km (0.085 R)
• M26: 31,883,196 km (0.109 R)
• M27: 37,615,038 km (0.108 R)
• M28: 39,895,807 km (0.117 R)
• M29: 40,170,020 km (0.118 R)
• M30: 42,409,500 km (0.073 R)
• M31: 43,270,287 km (0.079 R)
• M32: 45,472,966 km (0.062 R)
• M33: 59,738,469 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.1

Radius: 7.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.12 AU - 9.5 AU

Year: 15066 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,711,019 km

• M1: 89,908 km (0.096 R)
• M2: 374,743 km (0.068 R)
• M3: 613,800 km (0.091 R)
• M4: 977,173 km (0.078 R)
• M5: 2,865,098 km (0.034 R)
• M6: 4,207,141 km (0.059 R)
• M7: 4,818,547 km (0.114 R)
• M8: 10,811,737 km (0.095 R)
• M9: 15,129,281 km (0.068 R)
• M10: 20,107,450 km (0.117 R)
• M11: 21,219,411 km (0.04 R)
• M12: 22,215,733 km (0.118 R)
• M13: 35,419,540 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.6

Radius: 3.5

Gravity: 31.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.07 AU - 8.29 AU

Year: 16149 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,711,019 km

• M1: 46,974 km (0.055 R)
• M2: 298,149 km (0.086 R)
• M3: 494,122 km (0.051 R)
• M4: 2,230,355 km (0.05 R)
• M5: 2,615,420 km (0.069 R)
• M6: 3,922,606 km (0.062 R)
• M7: 4,574,404 km (0.037 R)
• M8: 6,633,918 km (0.095 R)
• M9: 7,908,940 km (0.049 R)
• M10: 10,490,700 km (0.114 R)
• M11: 12,029,763 km (0.103 R)
• M12: 13,009,330 km (0.117 R)
• M13: 15,195,553 km (0.106 R)
• M14: 15,903,450 km (0.073 R)
• M15: 16,485,536 km (0.1 R)
• M16: 19,036,628 km (0.097 R)
• M17: 19,280,772 km (0.093 R)
• M18: 20,962,402 km (0.065 R)
• M19: 23,198,740 km (0.068 R)
• M20: 32,099,215 km (0.071 R)
• M21: 32,561,024 km (0.067 R)
• M22: 38,323,235 km (0.064 R)
• M23: 39,367,128 km (0.028 R)
• M24: 43,732,694 km (0.052 R)
• M25: 51,024,991 km (0.066 R)
• M26: 53,248,315 km (0.099 R)
• M27: 53,732,862 km (0.07 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: 559 - 12,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit