🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.3

Radius: 13.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.79 AU - 1.23 AU

Year: 688 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,014,934 km

• M1: 164,408 km (0.074 R)
• M2: 582,534 km (0.104 R)
• M3: 1,043,595 km (0.093 R)
• M4: 1,518,867 km (0.097 R)
• M5: 1,938,340 km (0.117 R)
• M6: 3,321,073 km (0.116 R)
• M7: 4,013,412 km (0.06 R)
• M8: 4,578,892 km (0.102 R)
• M9: 5,180,125 km (0.056 R)
• M10: 5,907,470 km (0.112 R)
• M11: 7,305,911 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 12.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.16 AU - 1.16 AU

Year: 847 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,014,934 km

• M1: 169,794 km (0.092 R)
• M2: 677,080 km (0.09 R)
• M3: 1,247,796 km (0.118 R)
• M4: 1,641,238 km (0.11 R)
• M5: 2,099,157 km (0.102 R)
• M6: 2,665,984 km (0.087 R)
• M7: 3,116,872 km (0.101 R)
• M8: 4,288,373 km (0.107 R)
• M9: 4,965,901 km (0.08 R)
• M10: 5,436,985 km (0.069 R)
• M11: 5,917,194 km (0.095 R)
• M12: 6,690,765 km (0.102 R)
• M13: 7,125,496 km (0.066 R)
• M14: 7,530,458 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 11.3

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.29 AU - 1.77 AU

Year: 1284 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,014,934 km

• M1: 140,472 km (0.116 R)
• M2: 570,566 km (0.038 R)
• M3: 991,684 km (0.118 R)
• M4: 1,498,073 km (0.105 R)
• M5: 1,942,080 km (0.076 R)
• M6: 2,436,201 km (0.103 R)
• M7: 3,175,065 km (0.114 R)
• M8: 3,934,574 km (0.119 R)
• M9: 6,522,916 km (0.038 R)
• M10: 7,557,535 km (0.072 R)
• M11: 8,057,341 km (0.096 R)
• M12: 9,372,606 km (0.065 R)
• M13: 9,917,441 km (0.109 R)
• M14: 10,381,943 km (0.062 R)
• M15: 11,679,704 km (0.115 R)
• M16: 12,197,911 km (0.097 R)
• M17: 12,925,705 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 8.6

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.27 AU - 2.47 AU

Year: 2475 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,014,934 km

• M1: 106,962 km (0.049 R)
• M2: 385,215 km (0.082 R)
• M3: 694,284 km (0.062 R)
• M4: 1,069,326 km (0.12 R)
• M5: 1,436,888 km (0.094 R)
• M6: 2,185,924 km (0.114 R)
• M7: 3,106,549 km (0.046 R)
• M8: 3,654,377 km (0.036 R)
• M9: 4,061,133 km (0.094 R)
• M10: 5,416,191 km (0.115 R)
• M11: 6,593,077 km (0.084 R)
• M12: 7,775,050 km (0.045 R)
• M13: 8,716,320 km (0.076 R)
• M14: 9,127,415 km (0.073 R)
• M15: 9,443,964 km (0.112 R)
• M16: 10,286,798 km (0.059 R)
• M17: 10,629,976 km (0.088 R)
• M18: 12,079,430 km (0.088 R)
• M19: 12,983,450 km (0.103 R)
• M20: 14,211,199 km (0.068 R)
• M21: 16,948,541 km (0.095 R)
• M22: 17,915,841 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 13.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.87 AU - 3.41 AU

Year: 3774 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,014,934 km

• M1: 164,109 km (0.114 R)
• M2: 1,444,816 km (0.074 R)
• M3: 2,391,771 km (0.112 R)
• M4: 2,826,801 km (0.066 R)
• M5: 3,407,989 km (0.061 R)
• M6: 3,880,120 km (0.089 R)
• M7: 4,351,204 km (0.09 R)
• M8: 5,180,125 km (0.118 R)
• M9: 6,603,250 km (0.101 R)
• M10: 7,278,236 km (0.087 R)
• M11: 7,931,530 km (0.09 R)
• M12: 8,446,894 km (0.117 R)
• M13: 9,659,983 km (0.075 R)
• M14: 10,328,686 km (0.087 R)
• M15: 11,410,877 km (0.09 R)
• M16: 11,935,217 km (0.084 R)
• M17: 12,985,394 km (0.12 R)
• M18: 14,598,508 km (0.06 R)
• M19: 15,164,736 km (0.111 R)
• M20: 20,877,430 km (0.033 R)
• M21: 23,293,436 km (0.111 R)

Asteroid Belt

Center: 5.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.3

Radius: 7.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.88 AU - 9.52 AU

Year: 14492 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,014,934 km

• M1: 94,695 km (0.091 R)
• M2: 332,406 km (0.029 R)
• M3: 992,133 km (0.115 R)
• M4: 2,028,846 km (0.11 R)
• M5: 2,392,668 km (0.086 R)
• M6: 3,383,305 km (0.086 R)
• M7: 3,704,342 km (0.084 R)
• M8: 4,172,434 km (0.06 R)
• M9: 5,137,640 km (0.114 R)
• M10: 6,345,942 km (0.067 R)
• M11: 6,764,068 km (0.102 R)
• M12: 8,169,989 km (0.11 R)
• M13: 9,990,595 km (0.115 R)
• M14: 10,995,443 km (0.084 R)
• M15: 11,244,374 km (0.106 R)
• M16: 12,013,607 km (0.04 R)
• M17: 19,116,962 km (0.111 R)
• M18: 19,768,611 km (0.074 R)
• M19: 20,585,265 km (0.113 R)
• M20: 22,765,056 km (0.104 R)
• M21: 24,077,328 km (0.058 R)
• M22: 26,583,242 km (0.094 R)
• M23: 28,502,882 km (0.053 R)
• M24: 33,545,976 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.4

Radius: 3.6

Gravity: 57.9 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.58 AU - 8.12 AU

Year: 14917 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,014,934 km

• M1: 44,730 km (0.097 R)
• M2: 241,301 km (0.084 R)
• M3: 402,269 km (0.078 R)
• M4: 667,805 km (0.049 R)
• M5: 3,052,545 km (0.107 R)
• M6: 3,390,187 km (0.046 R)
• M7: 3,839,429 km (0.106 R)
• M8: 4,553,161 km (0.082 R)
• M9: 5,278,262 km (0.08 R)
• M10: 6,117,207 km (0.059 R)
• M11: 6,484,768 km (0.097 R)
• M12: 7,308,754 km (0.118 R)
• M13: 7,444,888 km (0.053 R)
• M14: 9,971,895 km (0.104 R)
• M15: 12,172,928 km (0.072 R)
• M16: 14,179,335 km (0.099 R)
• M17: 14,677,346 km (0.06 R)
• M18: 15,708,076 km (0.056 R)
• M19: 17,103,076 km (0.093 R)
• M20: 18,410,412 km (0.062 R)
• M21: 18,662,783 km (0.086 R)
• M22: 19,607,943 km (0.115 R)
• M23: 20,856,187 km (0.073 R)
• M24: 21,873,453 km (0.087 R)
• M25: 22,826,541 km (0.077 R)
• M26: 23,608,788 km (0.079 R)
• M27: 25,956,577 km (0.12 R)
• M28: 32,192,415 km (0.059 R)
• M29: 37,038,937 km (0.117 R)
• M30: 37,441,056 km (0.076 R)
• M31: 37,575,694 km (0.098 R)
• M32: 38,253,971 km (0.102 R)
• M33: 39,774,783 km (0.107 R)
• M34: 40,905,743 km (0.08 R)
• M35: 41,479,301 km (0.105 R)
• M36: 45,798,341 km (0.093 R)
• M37: 53,589,099 km (0.06 R)
• M38: 57,975,907 km (0.105 R)
• M39: 59,245,694 km (0.114 R)
• M40: 59,611,909 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.1

Radius: 7.5

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.23 AU - 9.25 AU

Year: 16043 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,014,934 km

• M1: 107,710 km (0.107 R)
• M2: 342,130 km (0.101 R)
• M3: 731,234 km (0.103 R)
• M4: 1,288,786 km (0.054 R)
• M5: 1,559,408 km (0.052 R)
• M6: 2,197,742 km (0.078 R)
• M7: 2,459,688 km (0.105 R)
• M8: 2,719,988 km (0.112 R)
• M9: 3,808,463 km (0.078 R)
• M10: 9,394,597 km (0.118 R)
• M11: 11,520,682 km (0.104 R)
• M12: 14,222,270 km (0.098 R)
• M13: 15,426,532 km (0.106 R)
• M14: 19,361,256 km (0.052 R)
• M15: 21,196,522 km (0.098 R)
• M16: 21,741,507 km (0.041 R)
• M17: 25,310,763 km (0.092 R)
• M18: 28,040,326 km (0.084 R)
• M19: 29,701,311 km (0.082 R)
• M20: 35,838,414 km (0.092 R)
• M21: 51,028,582 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.2

Radius: 3.8

Gravity: 44.47 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.32 AU - 10.14 AU

Year: 19019 Days

Day: 18.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,014,934 km

• M1: 47,572 km (0.037 R)
• M2: 191,186 km (0.067 R)
• M3: 382,372 km (0.108 R)
• M4: 580,889 km (0.035 R)
• M5: 713,731 km (0.028 R)
• M6: 856,149 km (0.112 R)
• M7: 1,118,693 km (0.087 R)
• M8: 2,089,134 km (0.059 R)
• M9: 2,339,860 km (0.067 R)
• M10: 2,563,659 km (0.112 R)
• M11: 2,951,416 km (0.043 R)
• M12: 3,546,816 km (0.033 R)
• M13: 4,584,427 km (0.086 R)
• M14: 5,043,692 km (0.067 R)
• M15: 6,177,794 km (0.094 R)
• M16: 11,826,011 km (0.057 R)
• M17: 14,161,832 km (0.082 R)
• M18: 15,748,317 km (0.113 R)
• M19: 16,063,371 km (0.116 R)
• M20: 16,222,393 km (0.074 R)
• M21: 16,382,612 km (0.111 R)
• M22: 23,077,865 km (0.115 R)
• M23: 23,792,195 km (0.118 R)
• M24: 26,797,317 km (0.085 R)
• M25: 28,506,622 km (0.081 R)
• M26: 33,288,369 km (0.052 R)
• M27: 33,937,623 km (0.05 R)
• M28: 34,993,934 km (0.09 R)
• M29: 36,894,724 km (0.09 R)
• M30: 41,945,597 km (0.11 R)
• M31: 43,623,337 km (0.098 R)
• M32: 44,557,127 km (0.105 R)
• M33: 45,822,725 km (0.081 R)
• M34: 55,722,963 km (0.08 R)
• M35: 72,014,919 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 18,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit