🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.9

Radius: 9.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.06 AU - 1.1 AU

Year: 761 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,416,285 km

• M1: 118,482 km (0.116 R)
• M2: 590,014 km (0.11 R)
• M3: 1,081,293 km (0.066 R)
• M4: 1,936,395 km (0.084 R)
• M5: 2,460,436 km (0.107 R)
• M6: 2,767,860 km (0.093 R)
• M7: 3,113,730 km (0.109 R)
• M8: 4,114,241 km (0.097 R)
• M9: 4,470,284 km (0.089 R)
• M10: 6,800,420 km (0.113 R)
• M11: 7,322,068 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 14.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1 AU - 1.42 AU

Year: 903 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,416,285 km

• M1: 177,273 km (0.038 R)
• M2: 621,729 km (0.064 R)
• M3: 1,293,423 km (0.074 R)
• M4: 1,792,182 km (0.089 R)
• M5: 2,476,892 km (0.084 R)
• M6: 2,983,730 km (0.088 R)
• M7: 3,545,470 km (0.041 R)
• M8: 4,016,703 km (0.09 R)
• M9: 4,529,973 km (0.071 R)
• M10: 5,549,483 km (0.111 R)
• M11: 6,167,172 km (0.114 R)
• M12: 6,853,527 km (0.079 R)
• M13: 7,889,493 km (0.091 R)
• M14: 8,405,904 km (0.118 R)
• M15: 8,917,230 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 13.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.09 AU - 1.55 AU

Year: 1029 Days

Day: 5.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,416,285 km

• M1: 170,392 km (0.092 R)
• M2: 614,847 km (0.104 R)
• M3: 1,091,765 km (0.115 R)
• M4: 1,666,969 km (0.099 R)
• M5: 2,333,428 km (0.107 R)
• M6: 3,263,029 km (0.072 R)
• M7: 3,689,083 km (0.076 R)
• M8: 4,684,059 km (0.107 R)
• M9: 5,616,203 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 14

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.38 AU - 2.1 AU

Year: 1557 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,416,285 km

• M1: 174,132 km (0.099 R)
• M2: 616,642 km (0.068 R)
• M3: 1,114,803 km (0.077 R)
• M4: 1,851,274 km (0.115 R)
• M5: 2,539,873 km (0.03 R)
• M6: 3,318,380 km (0.109 R)
• M7: 5,040,401 km (0.107 R)
• M8: 6,226,413 km (0.03 R)
• M9: 6,885,691 km (0.102 R)
• M10: 7,672,576 km (0.072 R)
• M11: 8,286,974 km (0.118 R)
• M12: 9,394,597 km (0.088 R)
• M13: 10,363,243 km (0.082 R)
• M14: 11,045,409 km (0.112 R)
• M15: 11,830,200 km (0.118 R)
• M16: 12,689,939 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 11

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.97 AU - 4.53 AU

Year: 4925 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,416,285 km

• M1: 136,882 km (0.093 R)
• M2: 521,797 km (0.043 R)
• M3: 877,691 km (0.041 R)
• M4: 1,291,628 km (0.104 R)
• M5: 1,711,250 km (0.09 R)
• M6: 2,236,937 km (0.115 R)
• M7: 2,921,347 km (0.118 R)
• M8: 3,740,246 km (0.109 R)
• M9: 5,464,511 km (0.096 R)
• M10: 5,830,278 km (0.095 R)
• M11: 7,125,347 km (0.112 R)
• M12: 7,562,771 km (0.065 R)
• M13: 8,234,166 km (0.101 R)
• M14: 9,060,844 km (0.113 R)
• M15: 10,446,120 km (0.099 R)
• M16: 10,879,206 km (0.089 R)
• M17: 13,227,444 km (0.067 R)
• M18: 13,734,880 km (0.115 R)
• M19: 16,295,397 km (0.104 R)
• M20: 17,596,898 km (0.084 R)
• M21: 18,148,914 km (0.119 R)
• M22: 19,612,131 km (0.082 R)
• M23: 20,878,926 km (0.103 R)
• M24: 22,199,576 km (0.104 R)
• M25: 23,207,716 km (0.107 R)
• M26: 25,626,414 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.6

Radius: 7.2

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.37 AU - 9.87 AU

Year: 15694 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,416,285 km

• M1: 89,609 km (0.036 R)
• M2: 1,115,851 km (0.104 R)
• M3: 1,470,547 km (0.079 R)
• M4: 2,740,184 km (0.086 R)
• M5: 3,257,344 km (0.119 R)
• M6: 3,525,723 km (0.083 R)
• M7: 3,955,966 km (0.073 R)
• M8: 6,155,055 km (0.116 R)
• M9: 8,498,655 km (0.102 R)
• M10: 9,486,001 km (0.063 R)
• M11: 10,204,220 km (0.113 R)
• M12: 10,839,862 km (0.114 R)
• M13: 11,440,198 km (0.071 R)
• M14: 11,748,669 km (0.051 R)
• M15: 12,839,088 km (0.113 R)
• M16: 13,717,227 km (0.083 R)
• M17: 15,293,690 km (0.112 R)
• M18: 19,318,770 km (0.104 R)
• M19: 22,235,031 km (0.117 R)
• M20: 23,105,242 km (0.086 R)
• M21: 23,499,282 km (0.094 R)
• M22: 24,503,832 km (0.083 R)
• M23: 26,170,203 km (0.078 R)
• M24: 28,696,013 km (0.108 R)
• M25: 32,597,226 km (0.12 R)
• M26: 34,867,374 km (0.107 R)
• M27: 35,126,029 km (0.036 R)
• M28: 36,704,436 km (0.091 R)
• M29: 42,306,727 km (0.116 R)
• M30: 44,698,647 km (0.113 R)
• M31: 51,236,672 km (0.093 R)
• M32: 51,906,721 km (0.056 R)
• M33: 55,344,779 km (0.101 R)
• M34: 57,839,773 km (0.079 R)
• M35: 63,052,959 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809

Radius: 7.2

Gravity: 15.61 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 9.06 AU - 12.4 AU

Year: 23839 Days

Day: 15.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,416,285 km

• M1: 89,609 km (0.096 R)
• M2: 400,473 km (0.07 R)
• M3: 699,370 km (0.117 R)
• M4: 1,188,555 km (0.107 R)
• M5: 1,968,110 km (0.115 R)
• M6: 2,315,326 km (0.078 R)
• M7: 3,161,751 km (0.114 R)
• M8: 4,164,954 km (0.109 R)
• M9: 5,488,895 km (0.118 R)
• M10: 6,089,980 km (0.066 R)
• M11: 6,360,602 km (0.097 R)
• M12: 8,597,988 km (0.106 R)
• M13: 10,204,370 km (0.092 R)
• M14: 11,111,531 km (0.093 R)
• M15: 12,717,016 km (0.116 R)
• M16: 16,037,490 km (0.116 R)
• M17: 19,405,686 km (0.078 R)
• M18: 23,768,110 km (0.056 R)
• M19: 31,875,118 km (0.057 R)
• M20: 36,840,720 km (0.074 R)
• M21: 37,892,093 km (0.12 R)
• M22: 38,963,364 km (0.116 R)
• M23: 40,212,207 km (0.036 R)
• M24: 45,990,873 km (0.101 R)
• M25: 46,859,139 km (0.08 R)
• M26: 53,245,024 km (0.106 R)
• M27: 55,953,942 km (0.109 R)
• M28: 56,943,233 km (0.038 R)
• M29: 69,058,715 km (0.098 R)
• M30: 76,317,055 km (0.118 R)
• M31: 77,289,142 km (0.097 R)
• M32: 86,939,102 km (0.068 R)
• M33: 89,875,409 km (0.111 R)
• M34: 90,416,355 km (0.109 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: 238 - 17,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit