🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 10.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.68 AU - 0.96 AU

Year: 495 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,850,019 km

• M1: 131,796 km (0.087 R)
• M2: 527,632 km (0.063 R)
• M3: 878,439 km (0.055 R)
• M4: 1,291,927 km (0.082 R)
• M5: 1,675,197 km (0.099 R)
• M6: 2,526,110 km (0.082 R)
• M7: 3,286,516 km (0.11 R)
• M8: 4,629,157 km (0.098 R)
• M9: 5,576,261 km (0.098 R)
• M10: 6,050,785 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967

Radius: 9.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.93 AU - 0.93 AU

Year: 598 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,850,019 km

• M1: 121,922 km (0.074 R)
• M2: 621,130 km (0.085 R)
• M3: 1,057,657 km (0.045 R)
• M4: 1,514,379 km (0.081 R)
• M5: 1,898,098 km (0.092 R)
• M6: 2,624,545 km (0.116 R)
• M7: 3,650,188 km (0.057 R)
• M8: 3,981,248 km (0.096 R)
• M9: 4,395,485 km (0.102 R)
• M10: 4,804,635 km (0.042 R)
• M11: 5,794,674 km (0.095 R)
• M12: 6,126,781 km (0.06 R)
• M13: 7,607,650 km (0.048 R)
• M14: 8,126,456 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.3

Radius: 13.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.94 AU - 0.98 AU

Year: 627 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,850,019 km

• M1: 172,935 km (0.088 R)
• M2: 651,798 km (0.118 R)
• M3: 1,781,411 km (0.118 R)
• M4: 2,637,410 km (0.089 R)
• M5: 3,148,586 km (0.114 R)
• M6: 3,933,826 km (0.07 R)
• M7: 5,423,372 km (0.093 R)
• M8: 7,133,574 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 8.1

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.42 AU

Year: 833 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,850,019 km

• M1: 100,829 km (0.085 R)
• M2: 379,979 km (0.1 R)
• M3: 689,048 km (0.054 R)
• M4: 1,155,344 km (0.098 R)
• M5: 1,516,623 km (0.052 R)
• M6: 2,121,896 km (0.107 R)
• M7: 3,505,228 km (0.05 R)
• M8: 3,835,390 km (0.106 R)
• M9: 5,912,706 km (0.119 R)
• M10: 8,725,894 km (0.097 R)
• M11: 9,221,811 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 13.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.15 AU - 1.33 AU

Year: 921 Days

Day: 13.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,850,019 km

• M1: 165,455 km (0.108 R)
• M2: 628,461 km (0.09 R)
• M3: 1,075,758 km (0.107 R)
• M4: 1,492,239 km (0.078 R)
• M5: 3,040,278 km (0.107 R)
• M6: 3,824,320 km (0.037 R)
• M7: 7,448,628 km (0.089 R)
• M8: 8,475,767 km (0.045 R)
• M9: 9,481,812 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 12.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.66 AU - 1.76 AU

Year: 1491 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,850,019 km

• M1: 156,629 km (0.104 R)
• M2: 642,972 km (0.082 R)
• M3: 2,309,941 km (0.11 R)
• M4: 2,906,537 km (0.084 R)
• M5: 4,265,933 km (0.118 R)
• M6: 5,465,708 km (0.093 R)
• M7: 6,878,959 km (0.042 R)
• M8: 8,021,737 km (0.089 R)
• M9: 8,472,027 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 14.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.15 AU - 2.15 AU

Year: 2102 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,850,019 km

• M1: 185,352 km (0.089 R)
• M2: 755,619 km (0.06 R)
• M3: 1,306,737 km (0.079 R)
• M4: 1,794,127 km (0.113 R)
• M5: 3,593,191 km (0.096 R)
• M6: 4,248,430 km (0.086 R)
• M7: 5,349,470 km (0.03 R)
• M8: 5,978,978 km (0.119 R)
• M9: 7,129,835 km (0.073 R)
• M10: 7,866,754 km (0.104 R)
• M11: 9,278,509 km (0.077 R)
• M12: 9,742,861 km (0.092 R)
• M13: 10,320,757 km (0.093 R)
• M14: 11,474,755 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 8.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.88 AU - 4.82 AU

Year: 6050 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,850,019 km

• M1: 104,569 km (0.105 R)
• M2: 387,159 km (0.118 R)
• M3: 858,243 km (0.089 R)
• M4: 1,186,760 km (0.055 R)
• M5: 2,105,141 km (0.04 R)
• M6: 2,747,365 km (0.108 R)
• M7: 3,132,729 km (0.071 R)
• M8: 3,654,526 km (0.096 R)
• M9: 5,331,967 km (0.093 R)
• M10: 5,627,274 km (0.107 R)
• M11: 6,134,111 km (0.106 R)
• M12: 6,794,586 km (0.117 R)
• M13: 8,011,265 km (0.107 R)
• M14: 8,580,036 km (0.086 R)
• M15: 10,742,324 km (0.099 R)
• M16: 11,041,370 km (0.104 R)
• M17: 11,566,907 km (0.086 R)
• M18: 13,538,757 km (0.111 R)
• M19: 14,448,611 km (0.107 R)
• M20: 15,184,034 km (0.078 R)
• M21: 17,658,383 km (0.049 R)
• M22: 20,324,367 km (0.1 R)
• M23: 23,247,659 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.3

Radius: 6.2

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.66 AU - 8.74 AU

Year: 17112 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,850,019 km

• M1: 77,492 km (0.115 R)
• M2: 550,071 km (0.115 R)
• M3: 1,029,682 km (0.084 R)
• M4: 1,545,196 km (0.113 R)
• M5: 2,321,161 km (0.05 R)
• M6: 2,950,519 km (0.087 R)
• M7: 3,175,364 km (0.106 R)
• M8: 4,008,774 km (0.107 R)
• M9: 4,508,730 km (0.111 R)
• M10: 6,464,423 km (0.118 R)
• M11: 7,240,537 km (0.055 R)
• M12: 10,276,476 km (0.095 R)
• M13: 10,912,566 km (0.085 R)
• M14: 12,072,548 km (0.078 R)
• M15: 13,178,226 km (0.104 R)
• M16: 13,380,034 km (0.105 R)
• M17: 13,584,085 km (0.078 R)
• M18: 14,208,357 km (0.107 R)
• M19: 14,420,786 km (0.027 R)
• M20: 15,589,145 km (0.094 R)
• M21: 20,175,367 km (0.069 R)
• M22: 22,104,282 km (0.036 R)
• M23: 23,162,238 km (0.086 R)
• M24: 24,152,875 km (0.105 R)
• M25: 28,510,811 km (0.087 R)
• M26: 33,490,176 km (0.115 R)
• M27: 36,052,788 km (0.105 R)
• M28: 36,316,080 km (0.063 R)
• M29: 40,278,479 km (0.117 R)
• M30: 41,276,296 km (0.103 R)
• M31: 43,618,850 km (0.083 R)
• M32: 45,586,211 km (0.11 R)
• M33: 53,192,515 km (0.11 R)
• M34: 54,739,506 km (0.115 R)
• M35: 62,167,490 km (0.118 R)
• M36: 62,546,122 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 19,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit