🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.7 AU

Year: 271 Days

Day: 36.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 8.9

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.8 AU - 1.08 AU

Year: 588 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,073,064 km

• M1: 110,702 km (0.047 R)
• M2: 414,386 km (0.099 R)
• M3: 756,217 km (0.081 R)
• M4: 1,129,614 km (0.073 R)
• M5: 1,562,550 km (0.07 R)
• M6: 2,199,837 km (0.032 R)
• M7: 2,916,261 km (0.1 R)
• M8: 3,765,977 km (0.059 R)
• M9: 4,429,144 km (0.101 R)
• M10: 5,274,821 km (0.046 R)
• M11: 5,717,182 km (0.066 R)
• M12: 6,345,493 km (0.047 R)
• M13: 6,676,403 km (0.034 R)
• M14: 7,623,507 km (0.116 R)
• M15: 7,903,256 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 13.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.26 AU - 1.7 AU

Year: 1163 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,073,064 km

• M1: 165,455 km (0.101 R)
• M2: 715,227 km (0.046 R)
• M3: 1,723,966 km (0.062 R)
• M4: 2,421,990 km (0.119 R)
• M5: 3,009,610 km (0.073 R)
• M6: 3,448,231 km (0.116 R)
• M7: 4,011,617 km (0.118 R)
• M8: 4,581,734 km (0.097 R)
• M9: 5,029,929 km (0.082 R)
• M10: 5,821,152 km (0.114 R)
• M11: 7,027,659 km (0.12 R)
• M12: 8,231,623 km (0.048 R)
• M13: 8,812,212 km (0.09 R)
• M14: 9,360,937 km (0.058 R)
• M15: 10,849,436 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 8.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.4 AU - 1.92 AU

Year: 1381 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,073,064 km

• M1: 102,026 km (0.109 R)
• M2: 377,435 km (0.118 R)
• M3: 717,322 km (0.087 R)
• M4: 1,050,177 km (0.074 R)
• M5: 1,453,942 km (0.049 R)
• M6: 1,978,133 km (0.115 R)
• M7: 2,295,280 km (0.101 R)
• M8: 3,811,903 km (0.109 R)
• M9: 4,207,440 km (0.114 R)
• M10: 4,682,713 km (0.071 R)
• M11: 5,540,656 km (0.07 R)
• M12: 6,196,643 km (0.045 R)
• M13: 6,499,579 km (0.045 R)
• M14: 7,276,590 km (0.096 R)
• M15: 8,609,208 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 8.2

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.72 AU - 1.88 AU

Year: 1559 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,073,064 km

• M1: 102,026 km (0.118 R)
• M2: 368,011 km (0.083 R)
• M3: 1,053,917 km (0.077 R)
• M4: 1,528,142 km (0.098 R)
• M5: 2,302,012 km (0.071 R)
• M6: 2,615,868 km (0.117 R)
• M7: 5,838,207 km (0.059 R)
• M8: 7,129,386 km (0.078 R)
• M9: 7,419,606 km (0.064 R)
• M10: 8,108,653 km (0.066 R)
• M11: 9,205,804 km (0.103 R)
• M12: 10,198,685 km (0.099 R)
• M13: 11,911,132 km (0.113 R)
• M14: 13,127,961 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 11.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.22 AU - 2.92 AU

Year: 2660 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,073,064 km

• M1: 139,276 km (0.057 R)
• M2: 497,413 km (0.062 R)
• M3: 1,185,563 km (0.07 R)
• M4: 1,686,866 km (0.033 R)
• M5: 2,216,592 km (0.114 R)
• M6: 3,157,413 km (0.103 R)
• M7: 3,728,877 km (0.083 R)
• M8: 4,477,913 km (0.075 R)
• M9: 5,374,752 km (0.068 R)
• M10: 6,027,298 km (0.065 R)
• M11: 6,702,882 km (0.112 R)
• M12: 7,119,811 km (0.106 R)
• M13: 7,842,369 km (0.087 R)
• M14: 8,752,373 km (0.116 R)
• M15: 9,360,638 km (0.109 R)
• M16: 10,781,818 km (0.045 R)
• M17: 12,788,524 km (0.096 R)
• M18: 13,199,469 km (0.111 R)
• M19: 14,192,799 km (0.114 R)
• M20: 14,932,261 km (0.108 R)
• M21: 15,490,860 km (0.085 R)
• M22: 16,010,563 km (0.115 R)
• M23: 18,206,958 km (0.085 R)
• M24: 18,611,022 km (0.097 R)
• M25: 20,287,416 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 10.2

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.43 AU - 5.67 AU

Year: 7327 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,073,064 km

• M1: 130,001 km (0.09 R)
• M2: 637,885 km (0.088 R)
• M3: 984,952 km (0.081 R)
• M4: 1,474,437 km (0.109 R)
• M5: 2,511,299 km (0.098 R)
• M6: 4,984,751 km (0.097 R)
• M7: 6,437,047 km (0.073 R)
• M8: 6,765,863 km (0.117 R)
• M9: 8,237,906 km (0.118 R)
• M10: 10,253,588 km (0.041 R)
• M11: 14,537,771 km (0.116 R)
• M12: 16,218,952 km (0.119 R)
• M13: 17,106,367 km (0.063 R)
• M14: 17,810,823 km (0.112 R)
• M15: 21,953,637 km (0.108 R)
• M16: 22,533,778 km (0.104 R)
• M17: 24,689,633 km (0.088 R)
• M18: 25,498,359 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.5

Radius: 3.4

Gravity: 82.92 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.07 AU - 7.15 AU

Year: 10973 Days

Day: 23.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,073,064 km

• M1: 42,336 km (0.098 R)
• M2: 185,651 km (0.102 R)
• M3: 353,051 km (0.087 R)
• M4: 1,055,563 km (0.07 R)
• M5: 2,204,175 km (0.102 R)
• M6: 3,023,822 km (0.081 R)
• M7: 3,169,680 km (0.115 R)
• M8: 3,294,744 km (0.104 R)
• M9: 4,115,737 km (0.072 R)
• M10: 4,479,409 km (0.11 R)
• M11: 4,701,263 km (0.036 R)
• M12: 4,963,657 km (0.042 R)
• M13: 5,166,811 km (0.099 R)
• M14: 6,189,014 km (0.114 R)
• M15: 6,584,550 km (0.075 R)
• M16: 7,646,994 km (0.094 R)
• M17: 7,872,438 km (0.074 R)
• M18: 8,148,746 km (0.11 R)
• M19: 9,472,836 km (0.044 R)
• M20: 11,393,972 km (0.041 R)
• M21: 12,047,565 km (0.054 R)
• M22: 12,291,410 km (0.1 R)
• M23: 12,414,529 km (0.092 R)
• M24: 14,912,813 km (0.098 R)
• M25: 17,107,115 km (0.115 R)
• M26: 21,581,886 km (0.094 R)
• M27: 22,031,877 km (0.094 R)
• M28: 24,375,926 km (0.116 R)
• M29: 26,984,614 km (0.111 R)
• M30: 29,332,402 km (0.113 R)
• M31: 29,995,570 km (0.084 R)
• M32: 34,307,280 km (0.087 R)
• M33: 40,356,419 km (0.046 R)
• M34: 40,901,703 km (0.063 R)
• M35: 42,990,688 km (0.097 R)
• M36: 45,149,834 km (0.099 R)
• M37: 45,443,046 km (0.106 R)
• M38: 51,577,307 km (0.105 R)
• M39: 51,737,376 km (0.057 R)
• M40: 52,542,662 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.5

Radius: 6.3

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.94 AU - 8.7 AU

Year: 14120 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 164.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,073,064 km

• M1: 79,137 km (0.11 R)
• M2: 399,875 km (0.114 R)
• M3: 619,784 km (0.069 R)
• M4: 2,456,547 km (0.071 R)
• M5: 3,428,035 km (0.117 R)
• M6: 6,579,614 km (0.069 R)
• M7: 7,940,356 km (0.075 R)
• M8: 10,234,888 km (0.054 R)
• M9: 10,972,256 km (0.114 R)
• M10: 12,299,937 km (0.067 R)
• M11: 16,081,173 km (0.101 R)
• M12: 16,535,501 km (0.078 R)
• M13: 17,788,832 km (0.079 R)
• M14: 22,958,785 km (0.103 R)
• M15: 30,867,426 km (0.102 R)
• M16: 32,400,804 km (0.066 R)
• M17: 34,108,015 km (0.078 R)
• M18: 36,779,983 km (0.091 R)
• M19: 37,700,758 km (0.104 R)
• M20: 42,536,359 km (0.118 R)
• M21: 43,404,775 km (0.104 R)
• M22: 45,326,808 km (0.09 R)
• M23: 49,023,073 km (0.078 R)
• M24: 53,583,265 km (0.05 R)
• M25: 55,621,386 km (0.082 R)
• M26: 56,485,613 km (0.113 R)
• M27: 58,063,721 km (0.118 R)
• M28: 58,418,417 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.4

Radius: 5.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.62 AU - 9.22 AU

Year: 17201 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,073,064 km

• M1: 79,287 km (0.078 R)
• M2: 1,033,123 km (0.105 R)
• M3: 1,787,695 km (0.107 R)
• M4: 2,760,081 km (0.104 R)
• M5: 10,488,905 km (0.107 R)
• M6: 10,733,348 km (0.092 R)
• M7: 11,132,475 km (0.09 R)
• M8: 13,164,762 km (0.066 R)
• M9: 15,494,899 km (0.077 R)
• M10: 16,790,267 km (0.098 R)
• M11: 17,057,748 km (0.097 R)
• M12: 17,328,071 km (0.093 R)
• M13: 20,266,024 km (0.115 R)
• M14: 31,140,143 km (0.074 R)
• M15: 31,442,780 km (0.097 R)
• M16: 35,338,009 km (0.103 R)
• M17: 38,029,424 km (0.055 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit