🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 11

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.74 AU - 0.82 AU

Year: 452 Days

Day: 13.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,065,077 km

• M1: 136,882 km (0.097 R)
• M2: 525,388 km (0.073 R)
• M3: 1,377,946 km (0.094 R)
• M4: 1,936,096 km (0.059 R)
• M5: 2,305,303 km (0.119 R)
• M6: 2,783,717 km (0.062 R)
• M7: 3,669,935 km (0.041 R)
• M8: 4,117,233 km (0.073 R)
• M9: 5,026,937 km (0.102 R)
• M10: 5,647,619 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.7

Radius: 11

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.67 AU - 1.01 AU

Year: 505 Days

Day: 14.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,065,077 km

• M1: 136,732 km (0.064 R)
• M2: 523,742 km (0.08 R)
• M3: 915,240 km (0.115 R)
• M4: 1,566,140 km (0.112 R)
• M5: 1,936,395 km (0.093 R)
• M6: 2,385,188 km (0.097 R)
• M7: 2,780,576 km (0.094 R)
• M8: 3,443,743 km (0.063 R)
• M9: 3,840,626 km (0.038 R)
• M10: 4,209,385 km (0.075 R)
• M11: 4,664,312 km (0.085 R)
• M12: 5,219,470 km (0.1 R)
• M13: 6,021,464 km (0.075 R)
• M14: 6,364,641 km (0.109 R)
• M15: 6,862,802 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 14

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.9 AU - 0.98 AU

Year: 598 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,065,077 km

• M1: 174,132 km (0.088 R)
• M2: 712,535 km (0.111 R)
• M3: 1,232,836 km (0.109 R)
• M4: 1,945,969 km (0.096 R)
• M5: 2,470,908 km (0.103 R)
• M6: 3,045,364 km (0.066 R)
• M7: 4,054,551 km (0.085 R)
• M8: 4,705,601 km (0.107 R)
• M9: 5,392,255 km (0.096 R)
• M10: 6,017,724 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.1

Radius: 14

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.77 AU - 1.29 AU

Year: 686 Days

Day: 12.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,065,077 km

• M1: 174,132 km (0.077 R)
• M2: 686,804 km (0.073 R)
• M3: 1,221,018 km (0.069 R)
• M4: 1,888,224 km (0.091 R)
• M5: 2,350,332 km (0.112 R)
• M6: 3,124,501 km (0.066 R)
• M7: 3,610,545 km (0.076 R)
• M8: 6,197,391 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 13.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.3 AU - 3.36 AU

Year: 3986 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,065,077 km

• M1: 172,935 km (0.118 R)
• M2: 626,067 km (0.109 R)
• M3: 1,073,664 km (0.113 R)
• M4: 1,770,790 km (0.077 R)
• M5: 2,266,258 km (0.107 R)
• M6: 2,987,769 km (0.065 R)
• M7: 5,234,280 km (0.071 R)
• M8: 6,131,867 km (0.068 R)
• M9: 6,765,713 km (0.12 R)
• M10: 7,930,333 km (0.102 R)
• M11: 9,980,721 km (0.098 R)
• M12: 12,772,217 km (0.088 R)
• M13: 16,155,972 km (0.101 R)
• M14: 18,228,501 km (0.109 R)
• M15: 20,472,917 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 11.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.52 AU - 4.2 AU

Year: 4975 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,065,077 km

• M1: 141,520 km (0.095 R)
• M2: 643,271 km (0.086 R)
• M3: 1,233,135 km (0.114 R)
• M4: 1,590,525 km (0.103 R)
• M5: 1,992,494 km (0.097 R)
• M6: 2,677,503 km (0.097 R)
• M7: 4,560,790 km (0.044 R)
• M8: 8,526,331 km (0.091 R)
• M9: 9,621,985 km (0.067 R)
• M10: 10,443,128 km (0.079 R)
• M11: 11,268,160 km (0.075 R)
• M12: 12,404,805 km (0.079 R)
• M13: 12,908,202 km (0.04 R)
• M14: 13,761,209 km (0.083 R)
• M15: 14,752,594 km (0.102 R)
• M16: 15,110,582 km (0.057 R)
• M17: 16,382,612 km (0.067 R)
• M18: 16,821,981 km (0.065 R)
• M19: 17,897,291 km (0.085 R)
• M20: 18,837,813 km (0.03 R)
• M21: 20,436,116 km (0.06 R)
• M22: 21,463,554 km (0.079 R)
• M23: 22,660,188 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 8.1

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3 AU - 4.8 AU

Year: 5052 Days

Day: 9.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,065,077 km

• M1: 103,223 km (0.094 R)
• M2: 396,135 km (0.055 R)
• M3: 1,386,323 km (0.093 R)
• M4: 1,677,591 km (0.104 R)
• M5: 1,942,828 km (0.105 R)
• M6: 2,250,700 km (0.096 R)
• M7: 3,616,080 km (0.119 R)
• M8: 4,474,921 km (0.114 R)
• M9: 5,517,768 km (0.112 R)
• M10: 7,357,074 km (0.088 R)
• M11: 7,934,970 km (0.113 R)
• M12: 8,690,290 km (0.1 R)
• M13: 9,104,676 km (0.118 R)
• M14: 10,054,473 km (0.066 R)
• M15: 10,469,158 km (0.097 R)
• M16: 13,152,196 km (0.093 R)
• M17: 15,050,593 km (0.059 R)
• M18: 15,703,588 km (0.101 R)
• M19: 17,776,416 km (0.071 R)
• M20: 19,318,770 km (0.109 R)
• M21: 20,285,920 km (0.113 R)
• M22: 22,177,136 km (0.105 R)
• M23: 23,237,187 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.6

Radius: 10.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4 AU - 4.42 AU

Year: 5667 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,065,077 km

• M1: 135,536 km (0.032 R)
• M2: 593,754 km (0.065 R)
• M3: 934,987 km (0.086 R)
• M4: 1,371,663 km (0.104 R)
• M5: 1,736,981 km (0.072 R)
• M6: 2,636,513 km (0.092 R)
• M7: 3,134,225 km (0.062 R)
• M8: 3,953,722 km (0.102 R)
• M9: 4,390,249 km (0.062 R)
• M10: 4,858,939 km (0.059 R)
• M11: 5,415,742 km (0.12 R)
• M12: 5,810,082 km (0.113 R)
• M13: 7,515,199 km (0.064 R)
• M14: 11,468,472 km (0.116 R)
• M15: 12,408,545 km (0.074 R)
• M16: 16,570,358 km (0.083 R)
• M17: 17,283,940 km (0.097 R)
• M18: 17,709,546 km (0.066 R)
• M19: 18,329,778 km (0.115 R)
• M20: 19,287,205 km (0.112 R)
• M21: 19,877,368 km (0.091 R)
• M22: 20,412,181 km (0.071 R)
• M23: 20,887,902 km (0.068 R)
• M24: 27,517,332 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 11.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.88 AU - 4.9 AU

Year: 6034 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,065,077 km

• M1: 146,307 km (0.115 R)
• M2: 585,227 km (0.084 R)
• M3: 1,122,134 km (0.067 R)
• M4: 2,486,616 km (0.033 R)
• M5: 4,069,960 km (0.084 R)
• M6: 4,554,208 km (0.059 R)
• M7: 5,259,712 km (0.108 R)
• M8: 9,726,554 km (0.094 R)
• M9: 10,595,718 km (0.104 R)
• M10: 11,834,388 km (0.111 R)
• M11: 13,465,454 km (0.096 R)
• M12: 14,439,635 km (0.076 R)
• M13: 14,917,301 km (0.072 R)
• M14: 15,350,686 km (0.114 R)
• M15: 16,242,589 km (0.106 R)
• M16: 16,875,687 km (0.096 R)
• M17: 18,007,844 km (0.091 R)
• M18: 18,686,120 km (0.109 R)
• M19: 20,556,094 km (0.044 R)
• M20: 22,055,663 km (0.096 R)
• M21: 22,618,600 km (0.095 R)
• M22: 23,191,111 km (0.064 R)
• M23: 23,920,400 km (0.064 R)
• M24: 25,888,061 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638

Radius: 6.5

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.65 AU - 6.45 AU

Year: 9762 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,065,077 km

• M1: 80,783 km (0.079 R)
• M2: 283,638 km (0.113 R)
• M3: 570,417 km (0.066 R)
• M4: 1,090,269 km (0.099 R)
• M5: 1,424,471 km (0.033 R)
• M6: 1,748,500 km (0.067 R)
• M7: 2,280,320 km (0.087 R)
• M8: 3,536,643 km (0.092 R)
• M9: 4,885,567 km (0.087 R)
• M10: 5,103,083 km (0.088 R)
• M11: 5,658,091 km (0.092 R)
• M12: 7,731,517 km (0.12 R)
• M13: 8,243,291 km (0.066 R)
• M14: 9,192,789 km (0.08 R)
• M15: 11,146,537 km (0.099 R)
• M16: 12,135,379 km (0.114 R)
• M17: 17,030,670 km (0.073 R)
• M18: 17,604,378 km (0.077 R)
• M19: 19,171,715 km (0.111 R)
• M20: 19,402,993 km (0.112 R)
• M21: 20,426,542 km (0.114 R)
• M22: 21,568,722 km (0.082 R)
• M23: 22,240,267 km (0.074 R)
• M24: 24,428,285 km (0.098 R)
• M25: 24,882,614 km (0.093 R)
• M26: 28,822,274 km (0.057 R)
• M27: 31,311,134 km (0.079 R)
• M28: 32,498,342 km (0.099 R)
• M29: 35,423,130 km (0.105 R)
• M30: 37,910,045 km (0.118 R)
• M31: 39,881,296 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 12,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit