🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 14.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.75 AU - 4.63 AU

Year: 5538 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,434,959 km

• M1: 188,344 km (0.118 R)
• M2: 960,568 km (0.077 R)
• M3: 1,524,402 km (0.107 R)
• M4: 2,016,430 km (0.076 R)
• M5: 2,724,476 km (0.035 R)
• M6: 3,441,200 km (0.068 R)
• M7: 3,915,724 km (0.076 R)
• M8: 5,283,946 km (0.073 R)
• M9: 6,742,675 km (0.06 R)
• M10: 7,272,401 km (0.1 R)
• M11: 9,200,119 km (0.1 R)
• M12: 10,677,997 km (0.094 R)
• M13: 15,569,698 km (0.085 R)
• M14: 17,928,108 km (0.096 R)
• M15: 21,861,186 km (0.102 R)
• M16: 26,771,287 km (0.036 R)
• M17: 29,669,447 km (0.082 R)
• M18: 30,616,401 km (0.086 R)
• M19: 31,291,237 km (0.042 R)
• M20: 31,779,375 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.6

Radius: 8.7

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.46 AU - 7.2 AU

Year: 9089 Days

Day: 13.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,434,959 km

• M1: 108,309 km (0.095 R)
• M2: 402,867 km (0.099 R)
• M3: 712,983 km (0.103 R)
• M4: 1,097,450 km (0.056 R)
• M5: 1,490,892 km (0.106 R)
• M6: 1,976,786 km (0.054 R)
• M7: 2,646,386 km (0.12 R)
• M8: 3,265,422 km (0.072 R)
• M9: 4,227,785 km (0.029 R)
• M10: 4,790,124 km (0.094 R)
• M11: 5,991,694 km (0.098 R)
• M12: 6,396,057 km (0.091 R)
• M13: 8,790,371 km (0.046 R)
• M14: 9,361,536 km (0.098 R)
• M15: 9,805,991 km (0.039 R)
• M16: 10,844,350 km (0.078 R)
• M17: 12,301,283 km (0.069 R)
• M18: 14,139,692 km (0.08 R)
• M19: 15,875,027 km (0.053 R)
• M20: 17,229,935 km (0.071 R)
• M21: 18,506,005 km (0.074 R)
• M22: 19,683,340 km (0.081 R)
• M23: 20,005,574 km (0.061 R)
• M24: 24,336,133 km (0.097 R)
• M25: 26,817,513 km (0.109 R)
• M26: 27,613,822 km (0.072 R)
• M27: 28,837,682 km (0.092 R)
• M28: 40,736,398 km (0.06 R)
• M29: 44,496,690 km (0.077 R)
• M30: 44,773,895 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.5

Radius: 7.8

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.4 AU - 6.86 AU

Year: 9800 Days

Day: 20.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,434,959 km

• M1: 136,882 km (0.118 R)
• M2: 391,198 km (0.118 R)
• M3: 1,030,729 km (0.114 R)
• M4: 1,532,481 km (0.102 R)
• M5: 2,569,343 km (0.105 R)
• M6: 4,894,394 km (0.085 R)
• M7: 6,677,899 km (0.106 R)
• M8: 7,441,148 km (0.115 R)
• M9: 8,083,671 km (0.098 R)
• M10: 9,332,962 km (0.103 R)
• M11: 10,080,054 km (0.074 R)
• M12: 10,389,871 km (0.1 R)
• M13: 11,863,410 km (0.1 R)
• M14: 14,230,497 km (0.107 R)
• M15: 15,017,981 km (0.102 R)
• M16: 17,703,412 km (0.08 R)
• M17: 18,691,207 km (0.085 R)
• M18: 19,238,137 km (0.112 R)
• M19: 22,307,436 km (0.117 R)
• M20: 25,212,776 km (0.086 R)
• M21: 25,497,461 km (0.108 R)
• M22: 25,880,432 km (0.09 R)
• M23: 26,756,028 km (0.119 R)
• M24: 29,291,712 km (0.119 R)
• M25: 31,213,745 km (0.092 R)
• M26: 32,428,779 km (0.068 R)
• M27: 35,544,454 km (0.108 R)
• M28: 37,852,899 km (0.027 R)
• M29: 40,388,882 km (0.118 R)
• M30: 41,171,129 km (0.118 R)
• M31: 47,508,245 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.8

Radius: 6.5

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.57 AU - 8.55 AU

Year: 12112 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,434,959 km

• M1: 80,783 km (0.069 R)
• M2: 290,369 km (0.087 R)
• M3: 995,125 km (0.115 R)
• M4: 1,493,136 km (0.083 R)
• M5: 1,708,557 km (0.094 R)
• M6: 1,998,179 km (0.07 R)
• M7: 2,720,736 km (0.106 R)
• M8: 3,342,316 km (0.086 R)
• M9: 3,659,463 km (0.037 R)
• M10: 3,938,912 km (0.079 R)
• M11: 5,271,679 km (0.086 R)
• M12: 5,813,224 km (0.119 R)
• M13: 7,006,715 km (0.088 R)
• M14: 8,026,375 km (0.118 R)
• M15: 14,093,167 km (0.107 R)
• M16: 15,854,532 km (0.084 R)
• M17: 17,132,846 km (0.064 R)
• M18: 17,995,726 km (0.073 R)
• M19: 18,723,071 km (0.045 R)
• M20: 19,638,311 km (0.099 R)
• M21: 23,503,471 km (0.044 R)
• M22: 25,261,994 km (0.076 R)
• M23: 26,173,195 km (0.03 R)
• M24: 30,489,841 km (0.104 R)
• M25: 32,341,713 km (0.043 R)
• M26: 32,935,467 km (0.068 R)
• M27: 36,523,273 km (0.102 R)
• M28: 38,743,156 km (0.096 R)
• M29: 40,226,568 km (0.058 R)
• M30: 49,301,773 km (0.072 R)
• M31: 52,171,509 km (0.03 R)
• M32: 58,591,352 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.1

Radius: 6.5

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.35 AU - 8.77 AU

Year: 12112 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,434,959 km

• M1: 90,656 km (0.04 R)
• M2: 322,683 km (0.115 R)
• M3: 591,660 km (0.108 R)
• M4: 957,277 km (0.084 R)
• M5: 1,216,530 km (0.095 R)
• M6: 1,522,308 km (0.094 R)
• M7: 2,140,147 km (0.117 R)
• M8: 3,144,697 km (0.039 R)
• M9: 4,676,429 km (0.098 R)
• M10: 5,027,236 km (0.092 R)
• M11: 7,642,806 km (0.081 R)
• M12: 9,973,540 km (0.088 R)
• M13: 11,047,952 km (0.084 R)
• M14: 13,172,841 km (0.086 R)
• M15: 20,058,382 km (0.085 R)
• M16: 20,391,835 km (0.111 R)
• M17: 41,511,315 km (0.113 R)
• M18: 42,599,190 km (0.063 R)
• M19: 52,940,891 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.1

Radius: 4.9

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.2 AU - 8.4 AU

Year: 12735 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,434,959 km

• M1: 71,059 km (0.104 R)
• M2: 302,188 km (0.072 R)
• M3: 569,818 km (0.087 R)
• M4: 1,174,194 km (0.071 R)
• M5: 1,482,066 km (0.102 R)
• M6: 1,874,611 km (0.115 R)
• M7: 2,095,417 km (0.077 R)
• M8: 2,276,880 km (0.073 R)
• M9: 2,630,379 km (0.106 R)
• M10: 3,857,979 km (0.088 R)
• M11: 9,594,459 km (0.064 R)
• M12: 12,052,053 km (0.073 R)
• M13: 13,611,611 km (0.094 R)
• M14: 13,926,215 km (0.092 R)
• M15: 15,032,342 km (0.109 R)
• M16: 16,907,551 km (0.117 R)
• M17: 17,197,921 km (0.08 R)
• M18: 19,325,203 km (0.071 R)
• M19: 20,206,783 km (0.069 R)
• M20: 22,571,177 km (0.073 R)
• M21: 25,397,081 km (0.12 R)
• M22: 26,943,923 km (0.07 R)
• M23: 28,246,172 km (0.104 R)
• M24: 29,068,063 km (0.077 R)
• M25: 30,011,577 km (0.088 R)
• M26: 31,192,203 km (0.067 R)
• M27: 32,403,647 km (0.065 R)
• M28: 36,345,551 km (0.108 R)
• M29: 36,587,002 km (0.096 R)
• M30: 38,681,821 km (0.11 R)
• M31: 41,641,614 km (0.028 R)
• M32: 48,589,388 km (0.104 R)
• M33: 49,029,206 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607

Radius: 6.8

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.81 AU - 12.71 AU

Year: 24396 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,434,959 km

• M1: 89,160 km (0.058 R)
• M2: 472,729 km (0.098 R)
• M3: 751,430 km (0.046 R)
• M4: 1,236,875 km (0.113 R)
• M5: 2,616,018 km (0.044 R)
• M6: 2,972,360 km (0.096 R)
• M7: 4,767,385 km (0.043 R)
• M8: 5,745,456 km (0.041 R)
• M9: 6,128,426 km (0.113 R)
• M10: 6,757,785 km (0.088 R)
• M11: 7,679,906 km (0.076 R)
• M12: 8,464,996 km (0.076 R)
• M13: 8,738,311 km (0.11 R)
• M14: 10,565,948 km (0.106 R)
• M15: 14,333,570 km (0.078 R)
• M16: 16,179,608 km (0.039 R)
• M17: 16,600,876 km (0.091 R)
• M18: 16,943,156 km (0.119 R)
• M19: 17,290,223 km (0.11 R)
• M20: 17,908,810 km (0.111 R)
• M21: 19,378,160 km (0.09 R)
• M22: 22,243,109 km (0.113 R)
• M23: 24,265,971 km (0.095 R)
• M24: 26,408,363 km (0.074 R)
• M25: 28,186,483 km (0.044 R)
• M26: 29,540,044 km (0.097 R)
• M27: 37,841,081 km (0.091 R)
• M28: 38,732,833 km (0.096 R)
• M29: 39,638,649 km (0.032 R)
• M30: 45,538,789 km (0.041 R)
• M31: 56,306,544 km (0.108 R)
• M32: 58,055,343 km (0.12 R)
• M33: 61,660,802 km (0.073 R)
• M34: 63,310,118 km (0.089 R)
• M35: 71,096,687 km (0.116 R)
• M36: 82,191,015 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 17,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit