🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 10.8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.95 AU - 1.29 AU

Year: 818 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,797,955 km

• M1: 134,339 km (0.106 R)
• M2: 495,618 km (0.05 R)
• M3: 833,559 km (0.114 R)
• M4: 1,285,345 km (0.097 R)
• M5: 1,632,562 km (0.095 R)
• M6: 2,300,965 km (0.109 R)
• M7: 2,896,364 km (0.102 R)
• M8: 3,279,036 km (0.103 R)
• M9: 3,725,585 km (0.096 R)
• M10: 4,131,295 km (0.108 R)
• M11: 4,706,199 km (0.111 R)
• M12: 5,450,299 km (0.1 R)
• M13: 5,871,417 km (0.071 R)
• M14: 6,444,676 km (0.097 R)
• M15: 7,580,274 km (0.078 R)
• M16: 8,629,254 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 11.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.08 AU - 1.54 AU

Year: 1035 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,797,955 km

• M1: 146,756 km (0.104 R)
• M2: 620,981 km (0.09 R)
• M3: 1,040,004 km (0.089 R)
• M4: 1,739,075 km (0.047 R)
• M5: 2,228,859 km (0.069 R)
• M6: 2,900,703 km (0.064 R)
• M7: 4,444,702 km (0.071 R)
• M8: 4,925,360 km (0.097 R)
• M9: 6,048,840 km (0.117 R)
• M10: 6,620,304 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 12

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.22 AU - 1.62 AU

Year: 1168 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,797,955 km

• M1: 149,299 km (0.071 R)
• M2: 568,771 km (0.048 R)
• M3: 1,237,324 km (0.118 R)
• M4: 1,744,760 km (0.09 R)
• M5: 2,705,477 km (0.115 R)
• M6: 3,343,961 km (0.091 R)
• M7: 4,126,358 km (0.032 R)
• M8: 4,635,589 km (0.101 R)
• M9: 5,477,975 km (0.107 R)
• M10: 6,094,617 km (0.118 R)
• M11: 7,194,760 km (0.111 R)
• M12: 7,721,793 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 11.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.85 AU - 2.09 AU

Year: 1909 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,797,955 km

• M1: 141,370 km (0.107 R)
• M2: 502,948 km (0.09 R)
• M3: 862,432 km (0.107 R)
• M4: 1,404,425 km (0.1 R)
• M5: 2,128,927 km (0.103 R)
• M6: 3,284,122 km (0.099 R)
• M7: 3,756,702 km (0.076 R)
• M8: 4,175,127 km (0.084 R)
• M9: 5,106,075 km (0.045 R)
• M10: 7,376,671 km (0.116 R)
• M11: 8,097,733 km (0.11 R)
• M12: 8,865,319 km (0.114 R)
• M13: 10,178,789 km (0.086 R)
• M14: 11,697,357 km (0.114 R)
• M15: 12,889,203 km (0.091 R)
• M16: 13,668,608 km (0.094 R)
• M17: 15,131,525 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 9

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.94 AU - 2.2 AU

Year: 2056 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,797,955 km

• M1: 111,899 km (0.082 R)
• M2: 399,426 km (0.09 R)
• M3: 730,935 km (0.114 R)
• M4: 1,338,751 km (0.088 R)
• M5: 1,626,877 km (0.054 R)
• M6: 1,944,922 km (0.078 R)
• M7: 2,768,309 km (0.103 R)
• M8: 3,377,920 km (0.114 R)
• M9: 3,678,462 km (0.12 R)
• M10: 4,710,837 km (0.072 R)
• M11: 5,603,787 km (0.057 R)
• M12: 6,026,700 km (0.108 R)
• M13: 6,880,604 km (0.112 R)
• M14: 9,573,965 km (0.096 R)
• M15: 10,325,395 km (0.116 R)
• M16: 11,985,931 km (0.044 R)
• M17: 12,986,591 km (0.111 R)
• M18: 14,041,855 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 9

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.77 AU - 4.55 AU

Year: 5857 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,797,955 km

• M1: 111,899 km (0.103 R)
• M2: 422,165 km (0.076 R)
• M3: 752,178 km (0.079 R)
• M4: 1,164,021 km (0.079 R)
• M5: 1,655,899 km (0.091 R)
• M6: 2,087,937 km (0.11 R)
• M7: 2,468,814 km (0.099 R)
• M8: 3,015,145 km (0.12 R)
• M9: 3,548,910 km (0.112 R)
• M10: 4,245,588 km (0.075 R)
• M11: 4,749,583 km (0.086 R)
• M12: 6,402,041 km (0.076 R)
• M13: 8,205,443 km (0.076 R)
• M14: 8,945,803 km (0.107 R)
• M15: 12,148,544 km (0.066 R)
• M16: 14,942,135 km (0.111 R)
• M17: 19,391,474 km (0.103 R)
• M18: 26,980,724 km (0.098 R)
• M19: 28,797,740 km (0.065 R)
• M20: 29,170,687 km (0.092 R)
• M21: 32,371,483 km (0.081 R)
• M22: 33,488,531 km (0.103 R)
• M23: 34,316,854 km (0.062 R)
• M24: 34,946,960 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.9

Radius: 7.6

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.82 AU - 7.52 AU

Year: 10579 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,797,955 km

• M1: 94,695 km (0.085 R)
• M2: 376,837 km (0.088 R)
• M3: 619,335 km (0.108 R)
• M4: 1,116,748 km (0.074 R)
• M5: 1,453,792 km (0.104 R)
• M6: 2,226,166 km (0.082 R)
• M7: 3,631,339 km (0.074 R)
• M8: 4,726,844 km (0.095 R)
• M9: 5,094,855 km (0.086 R)
• M10: 5,350,667 km (0.047 R)
• M11: 6,424,331 km (0.075 R)
• M12: 7,031,549 km (0.12 R)
• M13: 8,013,509 km (0.087 R)
• M14: 9,996,429 km (0.084 R)
• M15: 10,552,035 km (0.117 R)
• M16: 10,916,306 km (0.071 R)
• M17: 11,450,969 km (0.108 R)
• M18: 12,982,253 km (0.11 R)
• M19: 16,514,857 km (0.083 R)
• M20: 16,864,617 km (0.077 R)
• M21: 19,844,008 km (0.101 R)
• M22: 21,706,950 km (0.106 R)
• M23: 22,381,487 km (0.046 R)
• M24: 23,861,010 km (0.062 R)
• M25: 26,059,201 km (0.071 R)
• M26: 29,399,273 km (0.087 R)
• M27: 30,328,874 km (0.066 R)
• M28: 33,346,562 km (0.091 R)
• M29: 35,273,233 km (0.118 R)
• M30: 37,754,164 km (0.05 R)
• M31: 41,368,150 km (0.107 R)
• M32: 43,857,009 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.8

Radius: 3.6

Gravity: 26.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.05 AU - 7.03 AU

Year: 11545 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,797,955 km

• M1: 84,074 km (0.106 R)
• M2: 378,782 km (0.085 R)
• M3: 712,983 km (0.039 R)
• M4: 1,095,056 km (0.099 R)
• M5: 1,700,329 km (0.105 R)
• M6: 2,194,152 km (0.11 R)
• M7: 2,657,307 km (0.055 R)
• M8: 3,874,884 km (0.119 R)
• M9: 4,633,495 km (0.1 R)
• M10: 4,927,006 km (0.104 R)
• M11: 6,474,297 km (0.111 R)
• M12: 6,803,711 km (0.11 R)
• M13: 8,446,745 km (0.11 R)
• M14: 10,836,870 km (0.099 R)
• M15: 11,939,855 km (0.087 R)
• M16: 18,373,461 km (0.113 R)
• M17: 19,405,088 km (0.056 R)
• M18: 20,787,522 km (0.104 R)
• M19: 29,380,423 km (0.054 R)
• M20: 30,381,532 km (0.061 R)
• M21: 36,525,517 km (0.105 R)
• M22: 38,506,492 km (0.049 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: 489 - 18,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit