🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 10.2

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.62 AU - 0.7 AU

Year: 370 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,061,562 km

• M1: 126,859 km (0.088 R)
• M2: 504,294 km (0.065 R)
• M3: 868,565 km (0.112 R)
• M4: 1,215,184 km (0.11 R)
• M5: 1,720,824 km (0.109 R)
• M6: 2,167,075 km (0.108 R)
• M7: 2,532,243 km (0.11 R)
• M8: 2,906,687 km (0.109 R)
• M9: 3,400,210 km (0.097 R)
• M10: 4,068,164 km (0.101 R)
• M11: 4,455,025 km (0.088 R)
• M12: 5,564,442 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.3

Radius: 12.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.91 AU - 1.01 AU

Year: 649 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,061,562 km

• M1: 155,432 km (0.067 R)
• M2: 598,840 km (0.027 R)
• M3: 1,438,683 km (0.096 R)
• M4: 2,041,712 km (0.077 R)
• M5: 2,605,097 km (0.062 R)
• M6: 3,176,561 km (0.103 R)
• M7: 3,713,618 km (0.036 R)
• M8: 4,109,154 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 14

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.15 AU - 1.53 AU

Year: 1071 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,061,562 km

• M1: 175,777 km (0.079 R)
• M2: 620,682 km (0.109 R)
• M3: 1,697,038 km (0.111 R)
• M4: 2,205,970 km (0.095 R)
• M5: 3,407,092 km (0.11 R)
• M6: 3,917,370 km (0.079 R)
• M7: 4,871,355 km (0.118 R)
• M8: 6,210,705 km (0.081 R)
• M9: 7,085,853 km (0.045 R)
• M10: 7,923,451 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.9

Radius: 5.9

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.74 AU - 6.88 AU

Year: 9667 Days

Day: 18.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,061,562 km

• M1: 75,098 km (0.062 R)
• M2: 339,138 km (0.107 R)
• M3: 927,656 km (0.089 R)
• M4: 1,319,304 km (0.079 R)
• M5: 2,016,878 km (0.047 R)
• M6: 2,465,074 km (0.075 R)
• M7: 2,956,503 km (0.118 R)
• M8: 3,678,013 km (0.081 R)
• M9: 4,132,192 km (0.07 R)
• M10: 5,182,669 km (0.115 R)
• M11: 5,623,085 km (0.096 R)
• M12: 6,020,267 km (0.087 R)
• M13: 6,907,233 km (0.116 R)
• M14: 7,362,758 km (0.091 R)
• M15: 7,797,639 km (0.083 R)
• M16: 10,526,005 km (0.097 R)
• M17: 12,905,360 km (0.11 R)
• M18: 14,371,119 km (0.114 R)
• M19: 15,238,638 km (0.12 R)
• M20: 17,559,499 km (0.068 R)
• M21: 19,354,673 km (0.088 R)
• M22: 21,189,790 km (0.115 R)
• M23: 22,557,863 km (0.113 R)
• M24: 24,587,906 km (0.119 R)
• M25: 24,937,666 km (0.078 R)
• M26: 26,006,991 km (0.069 R)
• M27: 26,552,874 km (0.1 R)
• M28: 28,332,191 km (0.114 R)
• M29: 39,736,635 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652

Radius: 3.1

Gravity: 67.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.92 AU - 7.5 AU

Year: 10682 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,061,562 km

• M1: 38,596 km (0.078 R)
• M2: 159,621 km (0.084 R)
• M3: 276,158 km (0.116 R)
• M4: 1,463,067 km (0.092 R)
• M5: 1,697,637 km (0.069 R)
• M6: 1,807,741 km (0.115 R)
• M7: 1,939,536 km (0.085 R)
• M8: 2,278,525 km (0.025 R)
• M9: 3,456,608 km (0.087 R)
• M10: 3,817,887 km (0.114 R)
• M11: 4,893,346 km (0.091 R)
• M12: 5,215,431 km (0.112 R)
• M13: 5,866,181 km (0.084 R)
• M14: 6,082,350 km (0.109 R)
• M15: 6,685,080 km (0.055 R)
• M16: 7,000,881 km (0.102 R)
• M17: 7,577,431 km (0.11 R)
• M18: 8,008,124 km (0.079 R)
• M19: 8,918,127 km (0.081 R)
• M20: 10,047,292 km (0.039 R)
• M21: 10,304,750 km (0.037 R)
• M22: 10,725,868 km (0.12 R)
• M23: 11,828,704 km (0.12 R)
• M24: 12,584,771 km (0.107 R)
• M25: 12,763,690 km (0.112 R)
• M26: 15,314,633 km (0.116 R)
• M27: 16,925,054 km (0.09 R)
• M28: 17,733,631 km (0.078 R)
• M29: 19,666,585 km (0.047 R)
• M30: 20,150,684 km (0.09 R)
• M31: 21,993,131 km (0.081 R)
• M32: 24,682,302 km (0.045 R)
• M33: 29,010,468 km (0.116 R)
• M34: 29,848,216 km (0.099 R)
• M35: 36,288,554 km (0.062 R)
• M36: 45,950,781 km (0.118 R)
• M37: 48,975,501 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.4

Radius: 7.8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.21 AU - 8.85 AU

Year: 15707 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,061,562 km

• M1: 99,483 km (0.105 R)
• M2: 800,349 km (0.06 R)
• M3: 1,273,975 km (0.091 R)
• M4: 1,647,222 km (0.109 R)
• M5: 1,923,230 km (0.099 R)
• M6: 5,685,467 km (0.09 R)
• M7: 7,502,782 km (0.097 R)
• M8: 11,421,498 km (0.11 R)
• M9: 15,902,553 km (0.035 R)
• M10: 21,339,089 km (0.111 R)
• M11: 21,904,719 km (0.109 R)
• M12: 22,771,788 km (0.111 R)
• M13: 23,761,827 km (0.108 R)
• M14: 24,165,741 km (0.116 R)
• M15: 31,147,473 km (0.11 R)
• M16: 36,481,386 km (0.065 R)
• M17: 39,504,310 km (0.114 R)
• M18: 43,587,883 km (0.118 R)
• M19: 49,077,077 km (0.088 R)
• M20: 53,960,401 km (0.116 R)
• M21: 58,973,425 km (0.105 R)
• M22: 65,467,170 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 11,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit