🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 13.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,492,575 km

• M1: 170,691 km (0.061 R)
• M2: 678,426 km (0.077 R)
• M3: 1,165,068 km (0.09 R)
• M4: 2,020,170 km (0.079 R)
• M5: 2,655,063 km (0.091 R)
• M6: 3,147,090 km (0.077 R)
• M7: 3,636,724 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 12.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.74 AU - 1 AU

Year: 550 Days

Day: 8.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,492,575 km

• M1: 157,975 km (0.09 R)
• M2: 567,425 km (0.095 R)
• M3: 1,068,578 km (0.097 R)
• M4: 1,648,868 km (0.066 R)
• M5: 3,135,871 km (0.118 R)
• M6: 4,194,575 km (0.104 R)
• M7: 4,732,678 km (0.066 R)
• M8: 5,693,246 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 14.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.79 AU - 0.99 AU

Year: 569 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,492,575 km

• M1: 176,525 km (0.106 R)
• M2: 720,463 km (0.066 R)
• M3: 1,176,886 km (0.111 R)
• M4: 1,773,184 km (0.116 R)
• M5: 2,216,592 km (0.107 R)
• M6: 2,697,848 km (0.079 R)
• M7: 3,259,887 km (0.107 R)
• M8: 4,447,395 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 9.5

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.99 AU - 1.11 AU

Year: 730 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,492,575 km

• M1: 118,182 km (0.111 R)
• M2: 585,676 km (0.088 R)
• M3: 890,706 km (0.086 R)
• M4: 1,592,469 km (0.025 R)
• M5: 2,025,256 km (0.099 R)
• M6: 2,392,220 km (0.097 R)
• M7: 3,207,977 km (0.08 R)
• M8: 3,933,826 km (0.104 R)
• M9: 4,393,091 km (0.035 R)
• M10: 4,852,656 km (0.042 R)
• M11: 5,828,034 km (0.074 R)
• M12: 6,641,547 km (0.099 R)
• M13: 7,317,430 km (0.093 R)
• M14: 7,866,155 km (0.038 R)
• M15: 8,238,654 km (0.053 R)
• M16: 8,648,851 km (0.078 R)
• M17: 9,126,517 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 10.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.33 AU - 1.83 AU

Year: 1347 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,492,575 km

• M1: 135,536 km (0.111 R)
• M2: 689,945 km (0.109 R)
• M3: 1,551,031 km (0.102 R)
• M4: 2,106,188 km (0.064 R)
• M5: 2,678,400 km (0.084 R)
• M6: 3,259,139 km (0.036 R)
• M7: 4,272,066 km (0.108 R)
• M8: 5,751,141 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.2

Radius: 13.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.84 AU - 1.94 AU

Year: 1762 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,492,575 km

• M1: 166,652 km (0.116 R)
• M2: 672,742 km (0.098 R)
• M3: 1,118,543 km (0.056 R)
• M4: 1,689,858 km (0.068 R)
• M5: 2,338,514 km (0.081 R)
• M6: 3,149,334 km (0.092 R)
• M7: 3,689,981 km (0.049 R)
• M8: 4,215,818 km (0.06 R)
• M9: 5,131,357 km (0.11 R)
• M10: 5,883,983 km (0.077 R)
• M11: 6,349,981 km (0.097 R)
• M12: 9,159,130 km (0.075 R)
• M13: 10,479,032 km (0.056 R)
• M14: 11,166,284 km (0.073 R)
• M15: 14,004,006 km (0.108 R)
• M16: 14,439,037 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 14.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.62 AU - 5.24 AU

Year: 7424 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,492,575 km

• M1: 176,675 km (0.096 R)
• M2: 780,452 km (0.086 R)
• M3: 1,233,135 km (0.053 R)
• M4: 1,945,820 km (0.06 R)
• M5: 2,453,405 km (0.087 R)
• M6: 2,923,142 km (0.098 R)
• M7: 3,717,657 km (0.098 R)
• M8: 4,623,472 km (0.103 R)
• M9: 6,649,925 km (0.089 R)
• M10: 7,495,003 km (0.081 R)
• M11: 8,717,068 km (0.114 R)
• M12: 10,166,222 km (0.106 R)
• M13: 11,288,506 km (0.093 R)
• M14: 15,152,619 km (0.097 R)
• M15: 16,207,882 km (0.07 R)
• M16: 18,391,113 km (0.072 R)
• M17: 19,745,423 km (0.093 R)
• M18: 20,605,162 km (0.069 R)
• M19: 22,232,188 km (0.106 R)
• M20: 23,248,706 km (0.082 R)
• M21: 25,925,461 km (0.109 R)
• M22: 26,672,702 km (0.107 R)
• M23: 27,723,477 km (0.087 R)
• M24: 43,351,817 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 11.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.25 AU - 6.83 AU

Year: 8844 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,492,575 km

• M1: 147,952 km (0.063 R)
• M2: 537,356 km (0.077 R)
• M3: 1,147,266 km (0.057 R)
• M4: 2,380,102 km (0.079 R)
• M5: 3,009,460 km (0.115 R)
• M6: 4,303,781 km (0.046 R)
• M7: 5,241,461 km (0.087 R)
• M8: 8,758,507 km (0.082 R)
• M9: 9,869,570 km (0.079 R)
• M10: 12,172,031 km (0.103 R)
• M11: 15,498,339 km (0.104 R)
• M12: 17,621,881 km (0.109 R)
• M13: 18,457,834 km (0.108 R)
• M14: 20,840,330 km (0.11 R)
• M15: 23,039,867 km (0.061 R)
• M16: 23,728,915 km (0.071 R)
• M17: 26,623,185 km (0.044 R)
• M18: 29,925,408 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.1

Radius: 4.8

Gravity: 42.41 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.71 AU - 9.43 AU

Year: 15549 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 84,492,575 km

• M1: 59,989 km (0.068 R)
• M2: 218,712 km (0.061 R)
• M3: 638,633 km (0.037 R)
• M4: 851,361 km (0.059 R)
• M5: 1,035,217 km (0.117 R)
• M6: 1,302,399 km (0.113 R)
• M7: 1,548,188 km (0.099 R)
• M8: 1,842,747 km (0.083 R)
• M9: 2,072,529 km (0.111 R)
• M10: 2,278,525 km (0.112 R)
• M11: 2,853,729 km (0.112 R)
• M12: 3,109,242 km (0.071 R)
• M13: 3,324,364 km (0.098 R)
• M14: 3,492,213 km (0.045 R)
• M15: 6,015,779 km (0.08 R)
• M16: 7,912,979 km (0.097 R)
• M17: 14,177,839 km (0.059 R)
• M18: 16,162,853 km (0.087 R)
• M19: 16,808,966 km (0.106 R)
• M20: 18,066,785 km (0.097 R)
• M21: 19,657,459 km (0.119 R)
• M22: 20,486,680 km (0.115 R)
• M23: 25,199,313 km (0.066 R)
• M24: 25,522,594 km (0.097 R)
• M25: 26,067,429 km (0.09 R)
• M26: 30,342,637 km (0.097 R)
• M27: 32,965,387 km (0.114 R)
• M28: 36,968,775 km (0.109 R)
• M29: 37,386,004 km (0.119 R)
• M30: 38,656,838 km (0.036 R)
• M31: 42,185,852 km (0.074 R)
• M32: 43,717,584 km (0.119 R)
• M33: 45,127,394 km (0.111 R)
• M34: 46,891,453 km (0.065 R)
• M35: 49,707,333 km (0.096 R)
• M36: 53,161,847 km (0.108 R)
• M37: 62,885,410 km (0.112 R)
• M38: 64,479,225 km (0.104 R)
• M39: 66,099,819 km (0.104 R)
• M40: 69,000,671 km (0.034 R)
• M41: 70,909,690 km (0.094 R)
• M42: 72,201,767 km (0.189 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.4

Radius: 3.7

Gravity: 66.5 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.49 AU - 11.79 AU

Year: 20301 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,492,575 km

• M1: 46,525 km (0.08 R)
• M2: 336,745 km (0.043 R)
• M3: 896,989 km (0.074 R)
• M4: 1,429,856 km (0.091 R)
• M5: 1,980,377 km (0.079 R)
• M6: 3,080,819 km (0.113 R)
• M7: 4,570,813 km (0.098 R)
• M8: 4,790,423 km (0.113 R)
• M9: 5,614,408 km (0.095 R)
• M10: 5,739,322 km (0.085 R)
• M11: 5,951,751 km (0.103 R)
• M12: 6,807,002 km (0.074 R)
• M13: 7,948,284 km (0.05 R)
• M14: 8,319,437 km (0.115 R)
• M15: 8,869,658 km (0.051 R)
• M16: 12,618,132 km (0.048 R)
• M17: 16,100,172 km (0.1 R)
• M18: 24,545,420 km (0.099 R)
• M19: 28,029,405 km (0.09 R)
• M20: 29,011,216 km (0.101 R)
• M21: 30,526,493 km (0.098 R)
• M22: 39,966,418 km (0.074 R)
• M23: 43,770,841 km (0.095 R)
• M24: 44,592,732 km (0.045 R)
• M25: 49,386,147 km (0.104 R)
• M26: 57,987,276 km (0.09 R)
• M27: 67,971,139 km (0.109 R)
• M28: 69,962,436 km (0.114 R)
• M29: 75,461,504 km (0.072 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: 328 - 11,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit