🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 8.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.52 AU - 0.76 AU

Year: 353 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,997,929 km

• M1: 105,766 km (0.037 R)
• M2: 432,787 km (0.078 R)
• M3: 709,393 km (0.047 R)
• M4: 1,071,270 km (0.07 R)
• M5: 1,349,223 km (0.052 R)
• M6: 1,675,795 km (0.037 R)
• M7: 2,077,765 km (0.09 R)
• M8: 2,740,633 km (0.066 R)
• M9: 3,218,299 km (0.065 R)
• M10: 3,559,532 km (0.105 R)
• M11: 3,877,726 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.1

Radius: 12.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.72 AU - 0.8 AU

Year: 457 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,997,929 km

• M1: 150,495 km (0.119 R)
• M2: 530,624 km (0.105 R)
• M3: 946,955 km (0.09 R)
• M4: 1,348,176 km (0.061 R)
• M5: 1,929,962 km (0.039 R)
• M6: 2,487,513 km (0.047 R)
• M7: 3,202,591 km (0.095 R)
• M8: 3,683,100 km (0.037 R)
• M9: 4,161,514 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 13.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.8 AU - 0.94 AU

Year: 560 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,997,929 km

• M1: 164,258 km (0.071 R)
• M2: 600,037 km (0.116 R)
• M3: 1,045,839 km (0.078 R)
• M4: 1,592,469 km (0.114 R)
• M5: 2,026,154 km (0.115 R)
• M6: 2,490,356 km (0.103 R)
• M7: 3,256,895 km (0.05 R)
• M8: 3,860,373 km (0.102 R)
• M9: 4,719,065 km (0.026 R)
• M10: 5,410,057 km (0.11 R)
• M11: 6,003,363 km (0.076 R)
• M12: 6,429,118 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 15

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.84 AU - 1.24 AU

Year: 732 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,997,929 km

• M1: 186,549 km (0.086 R)
• M2: 750,233 km (0.059 R)
• M3: 1,319,004 km (0.117 R)
• M4: 2,009,249 km (0.119 R)
• M5: 2,488,710 km (0.067 R)
• M6: 3,045,663 km (0.116 R)
• M7: 3,888,946 km (0.108 R)
• M8: 4,678,823 km (0.115 R)
• M9: 5,312,071 km (0.084 R)
• M10: 5,804,697 km (0.028 R)
• M11: 6,411,316 km (0.106 R)
• M12: 7,262,977 km (0.108 R)
• M13: 7,920,160 km (0.041 R)
• M14: 8,464,098 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 13.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.06 AU - 1.1 AU

Year: 775 Days

Day: 11.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,997,929 km

• M1: 167,849 km (0.034 R)
• M2: 626,366 km (0.059 R)
• M3: 1,700,030 km (0.11 R)
• M4: 2,635,765 km (0.082 R)
• M5: 3,081,866 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 14.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.09 AU - 1.65 AU

Year: 1107 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,997,929 km

• M1: 179,069 km (0.1 R)
• M2: 652,546 km (0.101 R)
• M3: 1,175,690 km (0.106 R)
• M4: 1,653,954 km (0.118 R)
• M5: 2,209,561 km (0.116 R)
• M6: 2,997,642 km (0.108 R)
• M7: 3,612,190 km (0.111 R)
• M8: 4,275,058 km (0.097 R)
• M9: 6,224,618 km (0.12 R)
• M10: 6,884,344 km (0.109 R)
• M11: 8,884,318 km (0.067 R)
• M12: 9,356,898 km (0.093 R)
• M13: 11,044,063 km (0.079 R)
• M14: 11,906,794 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 11.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.39 AU - 1.41 AU

Year: 1143 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,997,929 km

• M1: 166,502 km (0.097 R)
• M2: 560,842 km (0.088 R)
• M3: 950,994 km (0.087 R)
• M4: 1,401,882 km (0.074 R)
• M5: 2,100,952 km (0.093 R)
• M6: 2,498,135 km (0.102 R)
• M7: 4,122,469 km (0.094 R)
• M8: 5,491,738 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 9.4

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.45 AU - 1.85 AU

Year: 1463 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,997,929 km

• M1: 116,836 km (0.115 R)
• M2: 425,157 km (0.084 R)
• M3: 733,179 km (0.119 R)
• M4: 1,032,973 km (0.03 R)
• M5: 1,460,374 km (0.111 R)
• M6: 2,003,564 km (0.091 R)
• M7: 2,341,207 km (0.098 R)
• M8: 3,014,098 km (0.093 R)
• M9: 3,508,818 km (0.097 R)
• M10: 4,821,390 km (0.052 R)
• M11: 5,389,413 km (0.102 R)
• M12: 5,978,230 km (0.057 R)
• M13: 9,328,923 km (0.109 R)
• M14: 9,747,199 km (0.039 R)
• M15: 10,279,019 km (0.114 R)
• M16: 11,256,193 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 13.5

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.68 AU - 5.96 AU

Year: 7304 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,997,929 km

• M1: 167,998 km (0.099 R)
• M2: 614,548 km (0.094 R)
• M3: 1,710,352 km (0.087 R)
• M4: 2,454,602 km (0.115 R)
• M5: 3,619,072 km (0.078 R)
• M6: 4,395,036 km (0.069 R)
• M7: 7,089,293 km (0.109 R)
• M8: 9,283,146 km (0.108 R)
• M9: 10,788,699 km (0.088 R)
• M10: 13,671,301 km (0.1 R)
• M11: 16,894,836 km (0.085 R)
• M12: 18,609,078 km (0.1 R)
• M13: 19,055,178 km (0.076 R)
• M14: 22,632,662 km (0.044 R)
• M15: 27,681,440 km (0.086 R)
• M16: 29,552,311 km (0.036 R)
• M17: 42,453,632 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.9

Radius: 6.3

Gravity: 24.08 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.6 AU - 7.16 AU

Year: 9842 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,997,929 km

• M1: 78,389 km (0.113 R)
• M2: 333,753 km (0.07 R)
• M3: 1,097,001 km (0.12 R)
• M4: 1,368,970 km (0.114 R)
• M5: 2,567,997 km (0.056 R)
• M6: 4,464,449 km (0.119 R)
• M7: 6,078,311 km (0.083 R)
• M8: 8,046,421 km (0.111 R)
• M9: 11,169,426 km (0.07 R)
• M10: 14,881,398 km (0.067 R)
• M11: 15,500,883 km (0.116 R)
• M12: 27,376,859 km (0.106 R)
• M13: 29,149,893 km (0.112 R)
• M14: 31,894,266 km (0.071 R)
• M15: 33,973,527 km (0.058 R)
• M16: 37,637,029 km (0.099 R)
• M17: 43,196,236 km (0.063 R)
• M18: 47,191,396 km (0.109 R)
• M19: 49,429,829 km (0.106 R)
• M20: 49,733,513 km (0.096 R)
• M21: 52,839,314 km (0.111 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: 532 - 16,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit