🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.96 AU - 1.4 AU

Year: 828 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,515,069 km

• M1: 111,899 km (0.098 R)
• M2: 397,182 km (0.025 R)
• M3: 762,650 km (0.118 R)
• M4: 1,056,909 km (0.034 R)
• M5: 1,621,791 km (0.098 R)
• M6: 2,005,808 km (0.087 R)
• M7: 2,487,364 km (0.106 R)
• M8: 3,244,179 km (0.069 R)
• M9: 4,420,916 km (0.106 R)
• M10: 5,006,442 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.9

Radius: 12.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.06 AU - 2.08 AU

Year: 1923 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,515,069 km

• M1: 153,039 km (0.108 R)
• M2: 633,397 km (0.045 R)
• M3: 1,050,626 km (0.119 R)
• M4: 1,434,793 km (0.089 R)
• M5: 2,595,074 km (0.106 R)
• M6: 3,076,480 km (0.094 R)
• M7: 3,765,977 km (0.085 R)
• M8: 4,873,151 km (0.03 R)
• M9: 6,422,386 km (0.067 R)
• M10: 6,982,481 km (0.12 R)
• M11: 7,796,443 km (0.103 R)
• M12: 9,301,696 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 14.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.32 AU - 2.44 AU

Year: 2371 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,515,069 km

• M1: 177,872 km (0.059 R)
• M2: 655,687 km (0.078 R)
• M3: 1,181,674 km (0.058 R)
• M4: 2,240,228 km (0.111 R)
• M5: 4,374,840 km (0.061 R)
• M6: 5,952,649 km (0.119 R)
• M7: 6,813,285 km (0.071 R)
• M8: 7,504,428 km (0.079 R)
• M9: 9,862,090 km (0.101 R)
• M10: 10,317,765 km (0.104 R)
• M11: 10,947,123 km (0.116 R)
• M12: 11,769,912 km (0.103 R)
• M13: 12,370,248 km (0.086 R)
• M14: 12,945,751 km (0.07 R)
• M15: 14,342,546 km (0.109 R)
• M16: 17,270,027 km (0.112 R)
• M17: 18,045,991 km (0.062 R)
• M18: 20,575,392 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 10.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.93 AU - 3.11 AU

Year: 2583 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,515,069 km

• M1: 133,142 km (0.049 R)
• M2: 978,520 km (0.05 R)
• M3: 1,359,545 km (0.088 R)
• M4: 1,751,193 km (0.085 R)
• M5: 2,364,843 km (0.088 R)
• M6: 3,133,327 km (0.111 R)
• M7: 3,585,263 km (0.106 R)
• M8: 4,060,535 km (0.034 R)
• M9: 4,492,125 km (0.092 R)
• M10: 4,908,605 km (0.052 R)
• M11: 5,921,981 km (0.06 R)
• M12: 6,369,877 km (0.089 R)
• M13: 6,727,416 km (0.111 R)
• M14: 7,573,991 km (0.093 R)
• M15: 8,391,842 km (0.117 R)
• M16: 8,923,812 km (0.057 R)
• M17: 9,478,072 km (0.109 R)
• M18: 11,319,622 km (0.075 R)
• M19: 12,346,013 km (0.1 R)
• M20: 13,034,612 km (0.071 R)
• M21: 13,703,315 km (0.055 R)
• M22: 14,916,553 km (0.118 R)
• M23: 15,549,352 km (0.081 R)
• M24: 16,816,596 km (0.063 R)
• M25: 17,987,498 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 11.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.14 AU - 4.56 AU

Year: 4878 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,515,069 km

• M1: 139,276 km (0.074 R)
• M2: 829,371 km (0.108 R)
• M3: 1,655,450 km (0.104 R)
• M4: 2,274,486 km (0.116 R)
• M5: 2,656,260 km (0.066 R)
• M6: 4,433,482 km (0.112 R)
• M7: 4,980,412 km (0.049 R)
• M8: 7,066,704 km (0.066 R)
• M9: 7,962,945 km (0.108 R)
• M10: 8,653,938 km (0.1 R)
• M11: 9,014,319 km (0.083 R)
• M12: 10,647,628 km (0.114 R)
• M13: 11,155,214 km (0.119 R)
• M14: 11,873,433 km (0.117 R)
• M15: 12,827,120 km (0.063 R)
• M16: 13,402,174 km (0.035 R)
• M17: 15,757,443 km (0.074 R)
• M18: 16,846,815 km (0.119 R)
• M19: 17,536,760 km (0.074 R)
• M20: 17,920,927 km (0.03 R)
• M21: 18,772,738 km (0.07 R)
• M22: 19,174,857 km (0.05 R)
• M23: 22,905,229 km (0.111 R)
• M24: 23,596,521 km (0.113 R)
• M25: 24,222,738 km (0.093 R)
• M26: 24,619,770 km (0.051 R)
• M27: 25,754,470 km (0.115 R)
• M28: 26,334,611 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 11.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.83 AU - 3.93 AU

Year: 4935 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,515,069 km

• M1: 139,276 km (0.028 R)
• M2: 962,513 km (0.053 R)
• M3: 1,411,905 km (0.069 R)
• M4: 2,764,569 km (0.113 R)
• M5: 3,816,690 km (0.108 R)
• M6: 5,299,505 km (0.047 R)
• M7: 8,215,017 km (0.098 R)
• M8: 8,943,260 km (0.096 R)
• M9: 10,612,323 km (0.077 R)
• M10: 12,016,599 km (0.046 R)
• M11: 13,294,912 km (0.115 R)
• M12: 15,733,208 km (0.066 R)
• M13: 18,394,554 km (0.066 R)
• M14: 19,640,256 km (0.079 R)
• M15: 20,024,573 km (0.101 R)
• M16: 21,141,321 km (0.101 R)
• M17: 22,787,795 km (0.101 R)
• M18: 24,592,095 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 9.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.75 AU - 5.81 AU

Year: 6748 Days

Day: 12.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,515,069 km

• M1: 119,379 km (0.113 R)
• M2: 726,597 km (0.067 R)
• M3: 1,080,845 km (0.063 R)
• M4: 1,562,101 km (0.106 R)
• M5: 2,360,505 km (0.072 R)
• M6: 2,892,026 km (0.1 R)
• M7: 4,496,613 km (0.116 R)
• M8: 5,290,678 km (0.081 R)
• M9: 5,695,341 km (0.095 R)
• M10: 6,682,088 km (0.071 R)
• M11: 7,494,105 km (0.111 R)
• M12: 7,843,117 km (0.031 R)
• M13: 8,471,727 km (0.091 R)
• M14: 11,576,781 km (0.093 R)
• M15: 12,880,825 km (0.117 R)
• M16: 13,475,327 km (0.097 R)
• M17: 18,561,505 km (0.106 R)
• M18: 19,202,083 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.4

Radius: 5.2

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.43 AU - 7.33 AU

Year: 11652 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 60.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,515,069 km

• M1: 64,626 km (0.059 R)
• M2: 294,259 km (0.104 R)
• M3: 777,460 km (0.038 R)
• M4: 1,424,621 km (0.107 R)
• M5: 1,845,439 km (0.12 R)
• M6: 2,017,776 km (0.104 R)
• M7: 2,565,155 km (0.113 R)
• M8: 2,836,076 km (0.088 R)
• M9: 5,470,345 km (0.119 R)
• M10: 6,458,439 km (0.119 R)
• M11: 6,756,588 km (0.08 R)
• M12: 7,203,287 km (0.065 R)
• M13: 7,596,580 km (0.1 R)
• M14: 10,944,879 km (0.092 R)
• M15: 11,608,944 km (0.103 R)
• M16: 11,803,422 km (0.104 R)
• M17: 12,757,557 km (0.089 R)
• M18: 14,034,823 km (0.084 R)
• M19: 16,716,814 km (0.071 R)
• M20: 17,532,571 km (0.047 R)
• M21: 19,584,306 km (0.093 R)
• M22: 21,643,670 km (0.051 R)
• M23: 27,029,493 km (0.113 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: 373 - 17,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit