🌌 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: 842.4

Radius: 8

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,888,929 km

• M1: 101,876 km (0.117 R)
• M2: 372,648 km (0.111 R)
• M3: 653,892 km (0.084 R)
• M4: 953,537 km (0.056 R)
• M5: 1,285,943 km (0.102 R)
• M6: 1,624,782 km (0.085 R)
• M7: 2,154,808 km (0.093 R)
• M8: 2,502,623 km (0.08 R)
• M9: 3,133,028 km (0.104 R)
• M10: 3,427,138 km (0.106 R)
• M11: 3,776,897 km (0.109 R)
• M12: 4,097,336 km (0.073 R)
• M13: 5,262,853 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 8.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,888,929 km

• M1: 103,372 km (0.094 R)
• M2: 370,105 km (0.1 R)
• M3: 651,948 km (0.085 R)
• M4: 1,448,257 km (0.109 R)
• M5: 1,772,136 km (0.104 R)
• M6: 2,094,969 km (0.062 R)
• M7: 2,575,926 km (0.109 R)
• M8: 2,877,814 km (0.101 R)
• M9: 3,240,888 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 8.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.61 AU - 1.85 AU

Year: 1517 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,888,929 km

• M1: 109,655 km (0.116 R)
• M2: 399,576 km (0.12 R)
• M3: 1,370,466 km (0.055 R)
• M4: 1,708,408 km (0.057 R)
• M5: 2,604,200 km (0.067 R)
• M6: 3,899,119 km (0.106 R)
• M7: 5,245,649 km (0.115 R)
• M8: 5,836,561 km (0.091 R)
• M9: 6,424,331 km (0.114 R)
• M10: 6,927,279 km (0.106 R)
• M11: 9,325,632 km (0.109 R)
• M12: 10,288,294 km (0.101 R)
• M13: 11,557,034 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 13.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.68 AU - 4.46 AU

Year: 4498 Days

Day: 9.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,888,929 km

• M1: 167,998 km (0.051 R)
• M2: 740,958 km (0.094 R)
• M3: 1,200,673 km (0.097 R)
• M4: 3,497,748 km (0.074 R)
• M5: 4,035,103 km (0.12 R)
• M6: 4,504,242 km (0.111 R)
• M7: 5,331,519 km (0.032 R)
• M8: 7,563,369 km (0.062 R)
• M9: 9,977,580 km (0.049 R)
• M10: 10,885,938 km (0.116 R)
• M11: 12,917,327 km (0.111 R)
• M12: 13,372,554 km (0.057 R)
• M13: 13,943,569 km (0.108 R)
• M14: 16,866,562 km (0.102 R)
• M15: 20,721,250 km (0.12 R)
• M16: 24,124,153 km (0.057 R)
• M17: 26,725,510 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 14.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.75 AU - 5.03 AU

Year: 7211 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,888,929 km

• M1: 181,612 km (0.062 R)
• M2: 1,415,794 km (0.105 R)
• M3: 3,073,189 km (0.084 R)
• M4: 5,570,127 km (0.107 R)
• M5: 7,342,563 km (0.072 R)
• M6: 8,440,461 km (0.069 R)
• M7: 11,208,920 km (0.116 R)
• M8: 12,881,424 km (0.059 R)
• M9: 17,111,453 km (0.102 R)
• M10: 24,985,836 km (0.07 R)
• M11: 26,379,640 km (0.119 R)
• M12: 27,186,271 km (0.082 R)
• M13: 28,473,412 km (0.102 R)
• M14: 30,284,743 km (0.092 R)
• M15: 32,681,300 km (0.109 R)
• M16: 34,347,671 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705

Radius: 8.6

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.27 AU - 6.01 AU

Year: 8932 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,888,929 km

• M1: 107,112 km (0.102 R)
• M2: 515,813 km (0.032 R)
• M3: 893,997 km (0.108 R)
• M4: 1,790,387 km (0.07 R)
• M5: 2,231,103 km (0.069 R)
• M6: 3,193,017 km (0.092 R)
• M7: 3,742,191 km (0.11 R)
• M8: 4,133,090 km (0.051 R)
• M9: 4,493,920 km (0.042 R)
• M10: 7,197,154 km (0.072 R)
• M11: 9,682,573 km (0.085 R)
• M12: 12,689,939 km (0.093 R)
• M13: 13,275,165 km (0.082 R)
• M14: 13,817,159 km (0.104 R)
• M15: 14,124,433 km (0.098 R)
• M16: 18,032,228 km (0.094 R)
• M17: 19,149,126 km (0.067 R)
• M18: 19,685,883 km (0.046 R)
• M19: 23,292,089 km (0.114 R)
• M20: 30,207,550 km (0.077 R)
• M21: 31,461,629 km (0.115 R)
• M22: 32,101,459 km (0.118 R)
• M23: 36,708,326 km (0.104 R)
• M24: 44,750,557 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 7.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.65 AU - 7.39 AU

Year: 11102 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,888,929 km

• M1: 104,419 km (0.119 R)
• M2: 455,077 km (0.118 R)
• M3: 984,952 km (0.115 R)
• M4: 1,218,774 km (0.109 R)
• M5: 2,360,654 km (0.055 R)
• M6: 2,671,070 km (0.067 R)
• M7: 3,050,151 km (0.073 R)
• M8: 6,642,594 km (0.093 R)
• M9: 9,228,992 km (0.084 R)
• M10: 12,258,199 km (0.112 R)
• M11: 13,937,734 km (0.073 R)
• M12: 14,530,142 km (0.072 R)
• M13: 15,016,185 km (0.116 R)
• M14: 16,473,568 km (0.118 R)
• M15: 16,935,227 km (0.082 R)
• M16: 19,447,274 km (0.09 R)
• M17: 20,186,886 km (0.081 R)
• M18: 21,331,160 km (0.098 R)
• M19: 26,074,909 km (0.086 R)
• M20: 27,431,014 km (0.087 R)
• M21: 32,806,215 km (0.087 R)
• M22: 37,241,642 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.7

Radius: 3.3

Gravity: 52.68 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.36 AU - 6.8 AU

Year: 11256 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,888,929 km

• M1: 40,990 km (0.074 R)
• M2: 169,345 km (0.083 R)
• M3: 540,198 km (0.075 R)
• M4: 822,788 km (0.093 R)
• M5: 960,418 km (0.113 R)
• M6: 1,183,768 km (0.068 R)
• M7: 1,496,278 km (0.08 R)
• M8: 1,702,424 km (0.093 R)
• M9: 1,960,929 km (0.101 R)
• M10: 2,135,360 km (0.113 R)
• M11: 4,581,884 km (0.091 R)
• M12: 5,752,786 km (0.08 R)
• M13: 6,909,477 km (0.035 R)
• M14: 8,123,912 km (0.09 R)
• M15: 8,391,842 km (0.066 R)
• M16: 9,039,751 km (0.12 R)
• M17: 9,473,584 km (0.116 R)
• M18: 9,720,570 km (0.108 R)
• M19: 13,894,052 km (0.061 R)
• M20: 15,741,735 km (0.09 R)
• M21: 16,939,864 km (0.09 R)
• M22: 18,046,440 km (0.092 R)
• M23: 22,168,460 km (0.12 R)
• M24: 22,955,494 km (0.099 R)
• M25: 23,490,456 km (0.054 R)
• M26: 24,124,901 km (0.061 R)
• M27: 26,387,269 km (0.058 R)
• M28: 29,828,469 km (0.112 R)
• M29: 30,145,766 km (0.098 R)
• M30: 35,532,636 km (0.063 R)
• M31: 35,770,048 km (0.103 R)
• M32: 38,326,974 km (0.063 R)
• M33: 40,226,119 km (0.114 R)
• M34: 41,526,424 km (0.111 R)
• M35: 43,393,705 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 14,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit