🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 8.1

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 13.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,324,160 km

• M1: 100,829 km (0.099 R)
• M2: 363,224 km (0.088 R)
• M3: 633,397 km (0.065 R)
• M4: 1,040,154 km (0.106 R)
• M5: 1,323,343 km (0.082 R)
• M6: 1,850,077 km (0.119 R)
• M7: 2,450,712 km (0.116 R)
• M8: 3,105,801 km (0.069 R)
• M9: 3,872,490 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 11.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.89 AU

Year: 451 Days

Day: 8.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,324,160 km

• M1: 147,653 km (0.116 R)
• M2: 704,456 km (0.089 R)
• M3: 1,154,447 km (0.094 R)
• M4: 1,830,480 km (0.113 R)
• M5: 2,567,698 km (0.111 R)
• M6: 3,390,636 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 11.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.83 AU - 1.23 AU

Year: 697 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,324,160 km

• M1: 143,016 km (0.087 R)
• M2: 514,018 km (0.104 R)
• M3: 1,071,121 km (0.098 R)
• M4: 1,462,918 km (0.102 R)
• M5: 2,662,693 km (0.09 R)
• M6: 3,111,187 km (0.092 R)
• M7: 3,718,405 km (0.11 R)
• M8: 4,096,139 km (0.087 R)
• M9: 4,841,585 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.96 AU - 1.2 AU

Year: 748 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,324,160 km

• M1: 120,426 km (0.075 R)
• M2: 430,692 km (0.082 R)
• M3: 736,321 km (0.078 R)
• M4: 1,015,919 km (0.101 R)
• M5: 1,431,203 km (0.042 R)
• M6: 2,019,571 km (0.105 R)
• M7: 2,349,135 km (0.087 R)
• M8: 2,748,562 km (0.084 R)
• M9: 3,117,320 km (0.111 R)
• M10: 3,438,657 km (0.096 R)
• M11: 4,013,561 km (0.113 R)
• M12: 4,441,860 km (0.093 R)
• M13: 4,917,132 km (0.093 R)
• M14: 5,300,103 km (0.11 R)
• M15: 6,204,871 km (0.103 R)
• M16: 7,012,849 km (0.081 R)
• M17: 7,521,183 km (0.11 R)
• M18: 7,842,519 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.2

Radius: 8.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.01 AU - 1.23 AU

Year: 790 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,324,160 km

• M1: 111,450 km (0.117 R)
• M2: 593,156 km (0.089 R)
• M3: 972,685 km (0.108 R)
• M4: 1,241,962 km (0.061 R)
• M5: 1,876,855 km (0.113 R)
• M6: 2,491,104 km (0.054 R)
• M7: 2,822,912 km (0.098 R)
• M8: 3,668,888 km (0.076 R)
• M9: 3,985,736 km (0.078 R)
• M10: 5,198,676 km (0.082 R)
• M11: 6,345,194 km (0.115 R)
• M12: 7,029,754 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 10.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.33 AU - 1.83 AU

Year: 1324 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,324,160 km

• M1: 134,339 km (0.098 R)
• M2: 500,704 km (0.063 R)
• M3: 842,984 km (0.104 R)
• M4: 1,264,700 km (0.046 R)
• M5: 1,971,102 km (0.063 R)
• M6: 2,500,828 km (0.091 R)
• M7: 2,951,716 km (0.083 R)
• M8: 3,348,000 km (0.096 R)
• M9: 5,517,319 km (0.08 R)
• M10: 6,997,291 km (0.116 R)
• M11: 7,438,605 km (0.083 R)
• M12: 8,121,220 km (0.093 R)
• M13: 9,706,359 km (0.1 R)
• M14: 10,894,615 km (0.087 R)
• M15: 11,382,154 km (0.072 R)
• M16: 12,893,840 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.7

Radius: 12.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.83 AU - 3.03 AU

Year: 2526 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,324,160 km

• M1: 151,692 km (0.033 R)
• M2: 610,808 km (0.108 R)
• M3: 1,173,894 km (0.084 R)
• M4: 1,839,007 km (0.082 R)
• M5: 2,775,190 km (0.053 R)
• M6: 3,244,030 km (0.043 R)
• M7: 4,088,510 km (0.078 R)
• M8: 4,585,474 km (0.102 R)
• M9: 5,002,254 km (0.116 R)
• M10: 7,141,354 km (0.085 R)
• M11: 7,576,235 km (0.088 R)
• M12: 8,161,312 km (0.115 R)
• M13: 8,987,990 km (0.051 R)
• M14: 10,889,229 km (0.092 R)
• M15: 11,592,788 km (0.08 R)
• M16: 15,115,518 km (0.113 R)
• M17: 15,523,472 km (0.107 R)
• M18: 16,149,389 km (0.07 R)
• M19: 17,675,587 km (0.098 R)
• M20: 18,185,865 km (0.054 R)
• M21: 19,836,827 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 8.1

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.54 AU - 3.98 AU

Year: 3925 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,324,160 km

• M1: 101,128 km (0.116 R)
• M2: 415,583 km (0.073 R)
• M3: 837,449 km (0.099 R)
• M4: 1,273,826 km (0.076 R)
• M5: 2,172,161 km (0.085 R)
• M6: 2,881,554 km (0.066 R)
• M7: 3,143,650 km (0.082 R)
• M8: 4,379,478 km (0.08 R)
• M9: 5,068,825 km (0.059 R)
• M10: 5,322,692 km (0.104 R)
• M11: 6,483,422 km (0.111 R)
• M12: 7,771,161 km (0.105 R)
• M13: 8,178,366 km (0.064 R)
• M14: 10,472,300 km (0.064 R)
• M15: 11,744,480 km (0.12 R)
• M16: 15,796,638 km (0.113 R)
• M17: 18,046,440 km (0.04 R)
• M18: 18,341,896 km (0.074 R)
• M19: 19,742,880 km (0.063 R)
• M20: 20,694,173 km (0.036 R)
• M21: 23,449,915 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 14.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.4 AU - 4.72 AU

Year: 6493 Days

Day: 5.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,324,160 km

• M1: 178,470 km (0.085 R)
• M2: 651,948 km (0.07 R)
• M3: 1,159,533 km (0.052 R)
• M4: 1,780,663 km (0.099 R)
• M5: 2,914,466 km (0.104 R)
• M6: 4,107,060 km (0.079 R)
• M7: 4,986,247 km (0.045 R)
• M8: 5,577,158 km (0.083 R)
• M9: 9,570,374 km (0.071 R)
• M10: 10,987,365 km (0.118 R)
• M11: 11,857,726 km (0.037 R)
• M12: 14,642,789 km (0.1 R)
• M13: 17,372,651 km (0.118 R)
• M14: 17,956,831 km (0.095 R)
• M15: 20,490,271 km (0.069 R)
• M16: 21,876,445 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit