🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 9.8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.89 AU - 0.89 AU

Year: 580 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,720,806 km

• M1: 121,922 km (0.066 R)
• M2: 452,833 km (0.068 R)
• M3: 773,870 km (0.053 R)
• M4: 1,235,978 km (0.086 R)
• M5: 1,744,162 km (0.096 R)
• M6: 2,438,146 km (0.116 R)
• M7: 3,306,263 km (0.073 R)
• M8: 3,673,825 km (0.073 R)
• M9: 4,476,118 km (0.076 R)
• M10: 5,011,080 km (0.077 R)
• M11: 5,337,951 km (0.117 R)
• M12: 6,465,620 km (0.113 R)
• M13: 7,279,432 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 12.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.85 AU - 1.15 AU

Year: 690 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,720,806 km

• M1: 159,322 km (0.064 R)
• M2: 784,192 km (0.079 R)
• M3: 1,471,594 km (0.068 R)
• M4: 2,203,277 km (0.119 R)
• M5: 4,233,470 km (0.081 R)
• M6: 4,739,410 km (0.097 R)
• M7: 5,489,494 km (0.048 R)
• M8: 6,012,488 km (0.12 R)
• M9: 8,000,793 km (0.114 R)
• M10: 8,649,150 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 14.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.11 AU - 1.55 AU

Year: 1059 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,720,806 km

• M1: 176,675 km (0.091 R)
• M2: 636,689 km (0.118 R)
• M3: 1,120,638 km (0.065 R)
• M4: 1,729,351 km (0.069 R)
• M5: 2,535,534 km (0.064 R)
• M6: 3,283,823 km (0.119 R)
• M7: 3,843,618 km (0.072 R)
• M8: 4,914,290 km (0.083 R)
• M9: 5,668,114 km (0.107 R)
• M10: 6,325,596 km (0.11 R)
• M11: 6,831,836 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 8.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.46 AU - 2.12 AU

Year: 1653 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,720,806 km

• M1: 105,766 km (0.104 R)
• M2: 373,097 km (0.1 R)
• M3: 748,289 km (0.11 R)
• M4: 1,166,265 km (0.082 R)
• M5: 1,545,346 km (0.104 R)
• M6: 1,951,355 km (0.11 R)
• M7: 2,892,774 km (0.106 R)
• M8: 3,496,701 km (0.107 R)
• M9: 4,557,200 km (0.1 R)
• M10: 4,852,955 km (0.118 R)
• M11: 5,310,126 km (0.091 R)
• M12: 6,025,952 km (0.105 R)
• M13: 6,579,165 km (0.06 R)
• M14: 7,324,312 km (0.117 R)
• M15: 7,898,319 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 12

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.24 AU - 2.8 AU

Year: 2761 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,720,806 km

• M1: 149,448 km (0.111 R)
• M2: 580,290 km (0.078 R)
• M3: 1,034,320 km (0.118 R)
• M4: 1,587,981 km (0.095 R)
• M5: 2,144,635 km (0.08 R)
• M6: 2,580,862 km (0.082 R)
• M7: 3,503,283 km (0.028 R)
• M8: 4,197,417 km (0.052 R)
• M9: 4,886,764 km (0.119 R)
• M10: 5,993,489 km (0.036 R)
• M11: 7,047,705 km (0.026 R)
• M12: 9,707,406 km (0.079 R)
• M13: 11,199,495 km (0.063 R)
• M14: 11,914,423 km (0.117 R)
• M15: 12,349,155 km (0.051 R)
• M16: 13,529,033 km (0.112 R)
• M17: 14,832,330 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 8.3

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.24 AU - 3.48 AU

Year: 4251 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,720,806 km

• M1: 103,223 km (0.087 R)
• M2: 372,050 km (0.115 R)
• M3: 711,637 km (0.103 R)
• M4: 1,023,698 km (0.065 R)
• M5: 1,309,580 km (0.101 R)
• M6: 3,151,578 km (0.108 R)
• M7: 3,877,876 km (0.035 R)
• M8: 4,221,652 km (0.046 R)
• M9: 4,865,521 km (0.08 R)
• M10: 5,320,897 km (0.086 R)
• M11: 6,568,394 km (0.107 R)
• M12: 7,642,058 km (0.093 R)
• M13: 8,073,498 km (0.103 R)
• M14: 8,483,097 km (0.102 R)
• M15: 9,103,629 km (0.116 R)
• M16: 9,921,331 km (0.11 R)
• M17: 10,304,900 km (0.112 R)
• M18: 11,749,566 km (0.06 R)
• M19: 15,371,630 km (0.094 R)
• M20: 15,943,393 km (0.106 R)
• M21: 16,470,127 km (0.076 R)
• M22: 17,620,086 km (0.104 R)
• M23: 19,676,309 km (0.107 R)
• M24: 20,555,645 km (0.066 R)
• M25: 21,249,630 km (0.087 R)
• M26: 23,651,124 km (0.025 R)
• M27: 24,413,026 km (0.114 R)
• M28: 25,986,048 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 8.6

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.34 AU - 4.02 AU

Year: 4873 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,720,806 km

• M1: 108,458 km (0.096 R)
• M2: 385,065 km (0.084 R)
• M3: 695,032 km (0.038 R)
• M4: 974,929 km (0.076 R)
• M5: 1,310,627 km (0.098 R)
• M6: 2,315,326 km (0.104 R)
• M7: 3,355,929 km (0.115 R)
• M8: 4,015,656 km (0.11 R)
• M9: 4,476,417 km (0.082 R)
• M10: 4,891,551 km (0.097 R)
• M11: 5,332,117 km (0.075 R)
• M12: 6,915,162 km (0.099 R)
• M13: 7,399,559 km (0.098 R)
• M14: 8,789,473 km (0.116 R)
• M15: 9,234,228 km (0.058 R)
• M16: 9,651,606 km (0.096 R)
• M17: 10,887,434 km (0.032 R)
• M18: 11,543,420 km (0.114 R)
• M19: 12,678,120 km (0.095 R)
• M20: 13,037,754 km (0.099 R)
• M21: 14,489,152 km (0.097 R)
• M22: 15,053,136 km (0.108 R)
• M23: 17,142,719 km (0.111 R)
• M24: 19,690,820 km (0.111 R)
• M25: 22,109,518 km (0.089 R)
• M26: 23,776,038 km (0.097 R)
• M27: 27,872,178 km (0.085 R)
• M28: 29,905,213 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373

Radius: 5.9

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.51 AU - 10.41 AU

Year: 16985 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,720,806 km

• M1: 73,453 km (0.115 R)
• M2: 288,724 km (0.116 R)
• M3: 603,627 km (0.075 R)
• M4: 1,230,592 km (0.089 R)
• M5: 2,055,026 km (0.098 R)
• M6: 2,801,669 km (0.117 R)
• M7: 3,126,895 km (0.059 R)
• M8: 3,936,818 km (0.12 R)
• M9: 4,622,425 km (0.12 R)
• M10: 4,944,060 km (0.089 R)
• M11: 5,814,121 km (0.107 R)
• M12: 7,155,266 km (0.111 R)
• M13: 8,884,618 km (0.118 R)
• M14: 9,484,056 km (0.113 R)
• M15: 11,271,302 km (0.114 R)
• M16: 13,080,688 km (0.1 R)
• M17: 13,594,108 km (0.096 R)
• M18: 14,729,556 km (0.064 R)
• M19: 16,586,215 km (0.067 R)
• M20: 17,035,906 km (0.118 R)
• M21: 18,835,120 km (0.084 R)
• M22: 19,489,461 km (0.084 R)
• M23: 21,543,739 km (0.069 R)
• M24: 25,676,679 km (0.085 R)
• M25: 26,889,320 km (0.113 R)
• M26: 27,301,911 km (0.097 R)
• M27: 28,458,153 km (0.081 R)
• M28: 29,866,317 km (0.057 R)
• M29: 31,093,618 km (0.091 R)
• M30: 31,776,981 km (0.118 R)
• M31: 37,225,186 km (0.078 R)
• M32: 37,866,363 km (0.026 R)
• M33: 51,650,759 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 14,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit