🌌 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: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.3

Radius: 12

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.77 AU - 1.03 AU

Year: 600 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 62.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,939,140 km

• M1: 149,299 km (0.045 R)
• M2: 576,550 km (0.1 R)
• M3: 1,094,757 km (0.114 R)
• M4: 1,534,126 km (0.068 R)
• M5: 2,047,995 km (0.108 R)
• M6: 2,530,149 km (0.118 R)
• M7: 2,915,513 km (0.088 R)
• M8: 3,779,740 km (0.07 R)
• M9: 4,155,978 km (0.107 R)
• M10: 4,919,676 km (0.079 R)
• M11: 5,455,984 km (0.115 R)
• M12: 5,901,935 km (0.104 R)
• M13: 6,449,763 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 9.6

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.02 AU - 1.42 AU

Year: 947 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,939,140 km

• M1: 119,529 km (0.103 R)
• M2: 932,593 km (0.047 R)
• M3: 1,254,229 km (0.088 R)
• M4: 1,894,657 km (0.084 R)
• M5: 2,193,703 km (0.119 R)
• M6: 2,524,763 km (0.117 R)
• M7: 3,387,345 km (0.12 R)
• M8: 5,212,588 km (0.059 R)
• M9: 6,967,970 km (0.076 R)
• M10: 7,941,553 km (0.077 R)
• M11: 8,540,991 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 11.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.73 AU - 2.43 AU

Year: 2109 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,939,140 km

• M1: 144,212 km (0.089 R)
• M2: 650,601 km (0.072 R)
• M3: 1,129,614 km (0.09 R)
• M4: 1,626,727 km (0.049 R)
• M5: 2,068,939 km (0.119 R)
• M6: 3,015,295 km (0.069 R)
• M7: 3,408,887 km (0.111 R)
• M8: 3,853,492 km (0.093 R)
• M9: 4,556,003 km (0.104 R)
• M10: 6,425,827 km (0.118 R)
• M11: 6,809,845 km (0.104 R)
• M12: 10,823,705 km (0.076 R)
• M13: 11,299,726 km (0.097 R)
• M14: 12,040,085 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 12.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.57 AU - 3.39 AU

Year: 3616 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,939,140 km

• M1: 155,432 km (0.098 R)
• M2: 828,024 km (0.054 R)
• M3: 1,479,822 km (0.072 R)
• M4: 1,946,418 km (0.096 R)
• M5: 2,401,046 km (0.091 R)
• M6: 2,788,355 km (0.096 R)
• M7: 3,353,386 km (0.055 R)
• M8: 4,131,444 km (0.068 R)
• M9: 5,642,832 km (0.037 R)
• M10: 6,661,294 km (0.117 R)
• M11: 8,110,299 km (0.114 R)
• M12: 8,692,235 km (0.069 R)
• M13: 9,441,122 km (0.045 R)
• M14: 11,028,953 km (0.118 R)
• M15: 16,804,179 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 11.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.65 AU - 3.87 AU

Year: 4137 Days

Day: 6 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,939,140 km

• M1: 140,622 km (0.098 R)
• M2: 496,366 km (0.104 R)
• M3: 970,890 km (0.106 R)
• M4: 1,550,881 km (0.115 R)
• M5: 1,947,764 km (0.115 R)
• M6: 2,322,956 km (0.047 R)
• M7: 2,730,161 km (0.095 R)
• M8: 4,692,287 km (0.107 R)
• M9: 5,375,201 km (0.112 R)
• M10: 5,754,880 km (0.047 R)
• M11: 7,227,223 km (0.089 R)
• M12: 8,974,227 km (0.104 R)
• M13: 9,627,820 km (0.102 R)
• M14: 10,688,618 km (0.102 R)
• M15: 11,160,300 km (0.054 R)
• M16: 12,007,623 km (0.086 R)
• M17: 12,564,426 km (0.064 R)
• M18: 14,494,238 km (0.091 R)
• M19: 17,423,215 km (0.08 R)
• M20: 23,336,221 km (0.09 R)
• M21: 24,943,799 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 13.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.31 AU - 6.55 AU

Year: 8894 Days

Day: 7.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,939,140 km

• M1: 170,392 km (0.118 R)
• M2: 618,438 km (0.095 R)
• M3: 1,123,929 km (0.111 R)
• M4: 2,348,986 km (0.109 R)
• M5: 4,401,768 km (0.099 R)
• M6: 5,470,046 km (0.118 R)
• M7: 7,354,231 km (0.089 R)
• M8: 11,524,870 km (0.085 R)
• M9: 14,744,965 km (0.06 R)
• M10: 15,621,458 km (0.05 R)
• M11: 16,941,809 km (0.116 R)
• M12: 19,543,167 km (0.053 R)
• M13: 24,832,947 km (0.103 R)
• M14: 25,681,466 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.3

Radius: 5.9

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.71 AU - 6.63 AU

Year: 10773 Days

Day: 17.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,939,140 km

• M1: 73,901 km (0.09 R)
• M2: 338,839 km (0.086 R)
• M3: 943,963 km (0.053 R)
• M4: 1,465,012 km (0.074 R)
• M5: 2,502,024 km (0.074 R)
• M6: 5,483,360 km (0.098 R)
• M7: 8,960,164 km (0.104 R)
• M8: 10,350,527 km (0.101 R)
• M9: 11,151,773 km (0.096 R)
• M10: 11,539,531 km (0.12 R)
• M11: 15,855,729 km (0.119 R)
• M12: 17,209,889 km (0.071 R)
• M13: 20,887,304 km (0.033 R)
• M14: 23,580,215 km (0.115 R)
• M15: 24,311,000 km (0.061 R)
• M16: 26,010,133 km (0.069 R)
• M17: 26,398,190 km (0.074 R)
• M18: 29,328,064 km (0.063 R)
• M19: 32,579,873 km (0.12 R)
• M20: 45,843,968 km (0.087 R)
• M21: 49,163,695 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.8

Radius: 4.1

Gravity: 41.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.41 AU - 8.19 AU

Year: 12464 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 55,939,140 km

• M1: 51,013 km (0.114 R)
• M2: 484,847 km (0.071 R)
• M3: 670,797 km (0.112 R)
• M4: 956,080 km (0.085 R)
• M5: 1,575,116 km (0.111 R)
• M6: 1,865,186 km (0.078 R)
• M7: 3,045,663 km (0.107 R)
• M8: 5,455,535 km (0.119 R)
• M9: 5,853,465 km (0.106 R)
• M10: 6,002,914 km (0.042 R)
• M11: 6,545,954 km (0.103 R)
• M12: 7,421,102 km (0.092 R)
• M13: 7,774,153 km (0.107 R)
• M14: 8,900,325 km (0.082 R)
• M15: 9,502,307 km (0.115 R)
• M16: 10,787,054 km (0.087 R)
• M17: 11,239,886 km (0.059 R)
• M18: 12,612,148 km (0.12 R)
• M19: 14,564,849 km (0.06 R)
• M20: 16,338,780 km (0.1 R)
• M21: 21,614,200 km (0.099 R)
• M22: 22,332,868 km (0.105 R)
• M23: 22,882,341 km (0.092 R)
• M24: 25,268,726 km (0.092 R)
• M25: 25,665,310 km (0.102 R)
• M26: 26,572,771 km (0.099 R)
• M27: 27,293,234 km (0.094 R)
• M28: 31,091,973 km (0.115 R)
• M29: 31,776,682 km (0.074 R)
• M30: 32,940,105 km (0.114 R)
• M31: 33,891,098 km (0.116 R)
• M32: 34,860,193 km (0.063 R)
• M33: 37,235,508 km (0.066 R)
• M34: 38,007,433 km (0.108 R)
• M35: 38,137,135 km (0.104 R)
• M36: 38,921,626 km (0.106 R)
• M37: 39,053,272 km (0.112 R)
• M38: 45,734,014 km (0.112 R)
• M39: 46,175,178 km (0.041 R)
• M40: 46,470,783 km (0.119 R)
• M41: 48,423,484 km (0.106 R)
• M42: 49,651,982 km (0.085 R)
• M43: 52,331,130 km (0.109 R)
• M44: 53,299,178 km (0.087 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: 248 - 16,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit