🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 13.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,468,478 km

• M1: 168,148 km (0.074 R)
• M2: 778,956 km (0.05 R)
• M3: 1,516,773 km (0.094 R)
• M4: 2,038,720 km (0.12 R)
• M5: 2,860,910 km (0.062 R)
• M6: 3,292,799 km (0.115 R)
• M7: 4,195,472 km (0.106 R)
• M8: 4,727,592 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 13

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 504 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,468,478 km

• M1: 161,865 km (0.115 R)
• M2: 952,639 km (0.07 R)
• M3: 1,386,922 km (0.051 R)
• M4: 1,804,001 km (0.064 R)
• M5: 2,725,524 km (0.109 R)
• M6: 3,196,159 km (0.118 R)
• M7: 3,687,288 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.7

Radius: 13.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.74 AU - 1.1 AU

Year: 599 Days

Day: 8.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,468,478 km

• M1: 164,109 km (0.116 R)
• M2: 658,829 km (0.118 R)
• M3: 1,176,288 km (0.089 R)
• M4: 1,658,592 km (0.076 R)
• M5: 2,282,415 km (0.118 R)
• M6: 2,775,938 km (0.082 R)
• M7: 3,252,108 km (0.104 R)
• M8: 3,710,626 km (0.091 R)
• M9: 4,304,828 km (0.115 R)
• M10: 5,125,073 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.7

Radius: 12.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.41 AU - 1.61 AU

Year: 1259 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,468,478 km

• M1: 157,975 km (0.058 R)
• M2: 736,321 km (0.073 R)
• M3: 1,622,688 km (0.09 R)
• M4: 2,987,769 km (0.044 R)
• M5: 3,706,736 km (0.116 R)
• M6: 4,131,744 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 12.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.82 AU - 2.9 AU

Year: 2459 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,468,478 km

• M1: 154,235 km (0.112 R)
• M2: 609,761 km (0.107 R)
• M3: 1,053,917 km (0.097 R)
• M4: 1,880,146 km (0.12 R)
• M5: 2,326,546 km (0.12 R)
• M6: 3,358,771 km (0.111 R)
• M7: 3,883,710 km (0.098 R)
• M8: 5,037,409 km (0.073 R)
• M9: 5,615,904 km (0.072 R)
• M10: 6,703,780 km (0.08 R)
• M11: 8,681,763 km (0.068 R)
• M12: 9,675,392 km (0.093 R)
• M13: 10,571,633 km (0.116 R)
• M14: 11,704,537 km (0.052 R)
• M15: 12,490,973 km (0.062 R)
• M16: 12,916,879 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 10.2

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.65 AU - 4.07 AU

Year: 4177 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,468,478 km

• M1: 126,859 km (0.117 R)
• M2: 500,854 km (0.101 R)
• M3: 899,233 km (0.096 R)
• M4: 1,415,046 km (0.115 R)
• M5: 1,997,580 km (0.063 R)
• M6: 2,586,098 km (0.075 R)
• M7: 2,956,952 km (0.102 R)
• M8: 3,286,815 km (0.088 R)
• M9: 4,109,154 km (0.117 R)
• M10: 4,617,039 km (0.115 R)
• M11: 5,192,243 km (0.115 R)
• M12: 5,786,446 km (0.106 R)
• M13: 6,919,350 km (0.106 R)
• M14: 7,948,284 km (0.097 R)
• M15: 8,590,807 km (0.11 R)
• M16: 9,383,826 km (0.074 R)
• M17: 10,558,169 km (0.109 R)
• M18: 12,476,014 km (0.099 R)
• M19: 14,148,967 km (0.098 R)
• M20: 15,039,224 km (0.07 R)
• M21: 15,470,963 km (0.071 R)
• M22: 17,994,978 km (0.1 R)
• M23: 21,115,291 km (0.093 R)
• M24: 24,430,978 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 8.8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.73 AU - 5.53 AU

Year: 6757 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,468,478 km

• M1: 111,600 km (0.112 R)
• M2: 422,315 km (0.08 R)
• M3: 1,139,337 km (0.119 R)
• M4: 1,566,290 km (0.094 R)
• M5: 1,898,098 km (0.105 R)
• M6: 2,362,001 km (0.03 R)
• M7: 4,091,801 km (0.074 R)
• M8: 4,755,716 km (0.115 R)
• M9: 5,645,076 km (0.04 R)
• M10: 6,782,618 km (0.117 R)
• M11: 8,066,018 km (0.101 R)
• M12: 9,151,500 km (0.05 R)
• M13: 11,356,274 km (0.097 R)
• M14: 11,919,360 km (0.07 R)
• M15: 12,340,478 km (0.095 R)
• M16: 12,935,728 km (0.041 R)
• M17: 13,777,964 km (0.105 R)
• M18: 14,596,713 km (0.1 R)
• M19: 15,759,238 km (0.106 R)
• M20: 16,654,581 km (0.071 R)
• M21: 17,181,166 km (0.078 R)
• M22: 17,923,321 km (0.09 R)
• M23: 19,616,470 km (0.115 R)
• M24: 19,908,784 km (0.089 R)
• M25: 23,811,343 km (0.105 R)
• M26: 25,074,847 km (0.059 R)
• M27: 28,010,855 km (0.105 R)
• M28: 28,944,046 km (0.079 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.8

Radius: 4.1

Gravity: 37.94 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.21 AU - 6.99 AU

Year: 10218 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,468,478 km

• M1: 51,013 km (0.111 R)
• M2: 341,682 km (0.084 R)
• M3: 542,442 km (0.12 R)
• M4: 765,792 km (0.099 R)
• M5: 1,114,803 km (0.06 R)
• M6: 1,244,056 km (0.075 R)
• M7: 1,410,110 km (0.079 R)
• M8: 3,178,805 km (0.117 R)
• M9: 3,955,368 km (0.027 R)
• M10: 4,578,293 km (0.106 R)
• M11: 4,728,489 km (0.113 R)
• M12: 5,909,415 km (0.037 R)
• M13: 6,232,696 km (0.092 R)
• M14: 6,875,668 km (0.064 R)
• M15: 8,203,947 km (0.104 R)
• M16: 9,450,247 km (0.075 R)
• M17: 9,992,390 km (0.087 R)
• M18: 10,399,446 km (0.06 R)
• M19: 11,410,578 km (0.083 R)
• M20: 11,576,033 km (0.099 R)
• M21: 15,431,020 km (0.12 R)
• M22: 16,671,935 km (0.109 R)
• M23: 19,902,501 km (0.106 R)
• M24: 21,453,980 km (0.027 R)
• M25: 23,437,798 km (0.085 R)
• M26: 23,884,646 km (0.112 R)
• M27: 25,823,584 km (0.083 R)
• M28: 26,880,045 km (0.103 R)
• M29: 27,468,263 km (0.068 R)
• M30: 27,666,181 km (0.111 R)
• M31: 35,795,779 km (0.119 R)
• M32: 38,575,157 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.5

Radius: 4.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.58 AU - 12.04 AU

Year: 22453 Days

Day: 21.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,468,478 km

• M1: 57,745 km (0.091 R)
• M2: 296,353 km (0.095 R)
• M3: 508,782 km (0.083 R)
• M4: 785,538 km (0.095 R)
• M5: 1,008,290 km (0.114 R)
• M6: 1,272,330 km (0.116 R)
• M7: 1,938,639 km (0.078 R)
• M8: 3,267,217 km (0.118 R)
• M9: 3,476,505 km (0.094 R)
• M10: 3,669,935 km (0.115 R)
• M11: 5,138,986 km (0.117 R)
• M12: 5,617,250 km (0.054 R)
• M13: 6,998,488 km (0.088 R)
• M14: 8,461,256 km (0.075 R)
• M15: 8,635,387 km (0.102 R)
• M16: 10,814,280 km (0.082 R)
• M17: 15,755,648 km (0.115 R)
• M18: 21,771,726 km (0.116 R)
• M19: 23,871,781 km (0.119 R)
• M20: 27,411,267 km (0.092 R)
• M21: 32,867,400 km (0.099 R)
• M22: 39,730,502 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit