🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 8.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.2 AU - 1.22 AU

Year: 873 Days

Day: 6.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,216,310 km

• M1: 110,702 km (0.094 R)
• M2: 405,709 km (0.075 R)
• M3: 743,053 km (0.091 R)
• M4: 1,100,592 km (0.064 R)
• M5: 1,724,265 km (0.086 R)
• M6: 2,059,215 km (0.058 R)
• M7: 2,364,544 km (0.097 R)
• M8: 2,722,831 km (0.106 R)
• M9: 3,079,771 km (0.092 R)
• M10: 3,361,315 km (0.097 R)
• M11: 3,787,369 km (0.115 R)
• M12: 4,096,139 km (0.101 R)
• M13: 5,125,073 km (0.108 R)
• M14: 6,626,886 km (0.085 R)
• M15: 7,120,859 km (0.114 R)
• M16: 7,731,816 km (0.052 R)
• M17: 8,062,278 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.28 AU - 1.4 AU

Year: 1018 Days

Day: 9.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,216,310 km

• M1: 101,577 km (0.096 R)
• M2: 409,300 km (0.097 R)
• M3: 664,364 km (0.097 R)
• M4: 955,930 km (0.115 R)
• M5: 1,380,938 km (0.111 R)
• M6: 1,728,005 km (0.118 R)
• M7: 2,245,913 km (0.115 R)
• M8: 2,740,334 km (0.097 R)
• M9: 3,549,509 km (0.076 R)
• M10: 5,400,633 km (0.116 R)
• M11: 5,686,065 km (0.097 R)
• M12: 6,307,046 km (0.09 R)
• M13: 6,786,358 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 13.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.38 AU - 1.64 AU

Year: 1217 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,216,310 km

• M1: 168,148 km (0.111 R)
• M2: 588,668 km (0.083 R)
• M3: 1,034,619 km (0.097 R)
• M4: 1,510,938 km (0.082 R)
• M5: 1,938,340 km (0.098 R)
• M6: 2,645,190 km (0.072 R)
• M7: 3,489,819 km (0.111 R)
• M8: 4,186,347 km (0.111 R)
• M9: 4,629,905 km (0.078 R)
• M10: 5,374,154 km (0.074 R)
• M11: 6,891,076 km (0.09 R)
• M12: 7,488,271 km (0.118 R)
• M13: 8,171,784 km (0.093 R)
• M14: 8,786,481 km (0.099 R)
• M15: 9,345,977 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 13.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.72 AU - 2.32 AU

Year: 1883 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,216,310 km

• M1: 169,943 km (0.09 R)
• M2: 625,768 km (0.065 R)
• M3: 1,069,326 km (0.096 R)
• M4: 1,517,970 km (0.099 R)
• M5: 1,934,749 km (0.065 R)
• M6: 2,351,978 km (0.096 R)
• M7: 2,786,560 km (0.09 R)
• M8: 3,226,976 km (0.05 R)
• M9: 3,696,563 km (0.06 R)
• M10: 4,859,388 km (0.064 R)
• M11: 6,380,050 km (0.056 R)
• M12: 7,180,698 km (0.092 R)
• M13: 8,853,501 km (0.082 R)
• M14: 10,483,071 km (0.06 R)
• M15: 11,598,473 km (0.077 R)
• M16: 13,716,928 km (0.086 R)
• M17: 14,507,104 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.6

Radius: 12.4

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.08 AU - 3.46 AU

Year: 3024 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,216,310 km

• M1: 154,235 km (0.061 R)
• M2: 1,000,959 km (0.086 R)
• M3: 1,523,206 km (0.093 R)
• M4: 1,948,512 km (0.099 R)
• M5: 2,351,978 km (0.076 R)
• M6: 3,276,642 km (0.072 R)
• M7: 3,935,322 km (0.07 R)
• M8: 4,497,361 km (0.037 R)
• M9: 5,518,366 km (0.098 R)
• M10: 6,717,692 km (0.1 R)
• M11: 8,357,285 km (0.101 R)
• M12: 8,779,001 km (0.093 R)
• M13: 10,570,137 km (0.104 R)
• M14: 12,276,899 km (0.118 R)
• M15: 13,148,905 km (0.071 R)
• M16: 14,609,578 km (0.072 R)
• M17: 16,666,699 km (0.111 R)
• M18: 17,507,140 km (0.097 R)
• M19: 19,886,494 km (0.063 R)
• M20: 20,513,608 km (0.076 R)
• M21: 21,089,111 km (0.116 R)
• M22: 22,541,557 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 11.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.24 AU - 3.96 AU

Year: 4481 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,216,310 km

• M1: 151,094 km (0.062 R)
• M2: 589,565 km (0.107 R)
• M3: 1,108,221 km (0.085 R)
• M4: 1,603,540 km (0.105 R)
• M5: 2,836,525 km (0.089 R)
• M6: 3,312,845 km (0.088 R)
• M7: 3,715,413 km (0.107 R)
• M8: 4,241,698 km (0.11 R)
• M9: 5,749,645 km (0.093 R)
• M10: 7,351,838 km (0.119 R)
• M11: 7,864,958 km (0.096 R)
• M12: 8,438,367 km (0.105 R)
• M13: 9,116,793 km (0.114 R)
• M14: 9,629,166 km (0.082 R)
• M15: 12,341,675 km (0.079 R)
• M16: 13,567,180 km (0.089 R)
• M17: 14,288,093 km (0.047 R)
• M18: 16,896,032 km (0.063 R)
• M19: 19,224,822 km (0.116 R)
• M20: 20,068,405 km (0.032 R)
• M21: 21,414,337 km (0.036 R)
• M22: 21,829,471 km (0.067 R)
• M23: 23,107,635 km (0.12 R)
• M24: 23,912,920 km (0.083 R)
• M25: 26,520,561 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579

Radius: 10.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.74 AU - 4.78 AU

Year: 5768 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,216,310 km

• M1: 134,339 km (0.057 R)
• M2: 534,962 km (0.12 R)
• M3: 1,197,830 km (0.085 R)
• M4: 1,757,027 km (0.085 R)
• M5: 4,380,525 km (0.055 R)
• M6: 5,804,098 km (0.063 R)
• M7: 6,141,142 km (0.099 R)
• M8: 7,407,787 km (0.032 R)
• M9: 8,447,193 km (0.112 R)
• M10: 9,164,964 km (0.119 R)
• M11: 9,966,360 km (0.066 R)
• M12: 11,325,905 km (0.118 R)
• M13: 14,078,656 km (0.109 R)
• M14: 14,633,365 km (0.114 R)
• M15: 15,318,224 km (0.081 R)
• M16: 16,446,192 km (0.114 R)
• M17: 16,813,753 km (0.071 R)
• M18: 19,337,470 km (0.094 R)
• M19: 21,082,230 km (0.093 R)
• M20: 21,662,071 km (0.108 R)
• M21: 23,542,815 km (0.047 R)
• M22: 24,403,901 km (0.073 R)
• M23: 27,540,818 km (0.076 R)
• M24: 28,496,749 km (0.055 R)
• M25: 31,122,939 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 9.5

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.21 AU - 4.71 AU

Year: 6179 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,216,310 km

• M1: 118,182 km (0.053 R)
• M2: 446,998 km (0.101 R)
• M3: 966,402 km (0.083 R)
• M4: 1,802,654 km (0.043 R)
• M5: 2,257,133 km (0.051 R)
• M6: 2,711,611 km (0.119 R)
• M7: 3,041,026 km (0.11 R)
• M8: 3,375,676 km (0.09 R)
• M9: 4,094,643 km (0.052 R)
• M10: 4,530,272 km (0.085 R)
• M11: 4,856,396 km (0.073 R)
• M12: 6,522,766 km (0.107 R)
• M13: 9,825,139 km (0.084 R)
• M14: 10,608,135 km (0.06 R)
• M15: 12,350,351 km (0.048 R)
• M16: 12,881,424 km (0.076 R)
• M17: 14,979,384 km (0.057 R)
• M18: 16,647,550 km (0.094 R)
• M19: 19,697,252 km (0.041 R)
• M20: 20,057,634 km (0.099 R)
• M21: 20,643,309 km (0.116 R)
• M22: 20,940,411 km (0.105 R)
• M23: 21,695,730 km (0.083 R)
• M24: 24,899,369 km (0.114 R)
• M25: 26,177,982 km (0.072 R)
• M26: 28,958,258 km (0.087 R)
• M27: 29,424,405 km (0.07 R)
• M28: 31,535,231 km (0.094 R)
• M29: 32,828,804 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.6

Radius: 4.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.83 AU - 7.49 AU

Year: 11275 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,216,310 km

• M1: 56,249 km (0.104 R)
• M2: 494,271 km (0.092 R)
• M3: 685,158 km (0.111 R)
• M4: 915,689 km (0.108 R)
• M5: 1,357,002 km (0.101 R)
• M6: 1,495,829 km (0.09 R)
• M7: 1,788,891 km (0.048 R)
• M8: 2,258,928 km (0.112 R)
• M9: 3,765,678 km (0.107 R)
• M10: 4,306,474 km (0.118 R)
• M11: 5,570,127 km (0.074 R)
• M12: 6,113,467 km (0.114 R)
• M13: 7,027,809 km (0.06 R)
• M14: 11,222,533 km (0.08 R)
• M15: 11,745,378 km (0.103 R)
• M16: 14,438,139 km (0.08 R)
• M17: 14,605,091 km (0.078 R)
• M18: 15,400,802 km (0.113 R)
• M19: 15,574,934 km (0.108 R)
• M20: 16,284,925 km (0.116 R)
• M21: 17,960,720 km (0.11 R)
• M22: 19,679,899 km (0.054 R)
• M23: 20,091,592 km (0.074 R)
• M24: 22,311,026 km (0.041 R)
• M25: 26,391,608 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.9

Radius: 4.3

Gravity: 47.16 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.16 AU - 9.04 AU

Year: 13745 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 64,216,310 km

• M1: 53,556 km (0.046 R)
• M2: 191,186 km (0.055 R)
• M3: 598,242 km (0.116 R)
• M4: 813,962 km (0.05 R)
• M5: 1,554,471 km (0.028 R)
• M6: 1,928,167 km (0.111 R)
• M7: 2,401,495 km (0.107 R)
• M8: 2,665,385 km (0.112 R)
• M9: 4,037,946 km (0.095 R)
• M10: 5,482,014 km (0.108 R)
• M11: 5,900,290 km (0.114 R)
• M12: 6,588,290 km (0.087 R)
• M13: 7,283,322 km (0.108 R)
• M14: 8,514,812 km (0.12 R)
• M15: 9,878,695 km (0.118 R)
• M16: 10,963,130 km (0.065 R)
• M17: 11,811,350 km (0.109 R)
• M18: 17,919,282 km (0.056 R)
• M19: 18,083,989 km (0.065 R)
• M20: 19,093,176 km (0.086 R)
• M21: 20,676,670 km (0.051 R)
• M22: 24,302,772 km (0.115 R)
• M23: 26,053,816 km (0.106 R)
• M24: 26,584,439 km (0.093 R)
• M25: 27,014,084 km (0.102 R)
• M26: 29,232,022 km (0.104 R)
• M27: 31,329,235 km (0.1 R)
• M28: 33,028,218 km (0.081 R)
• M29: 35,301,507 km (0.077 R)
• M30: 36,081,959 km (0.072 R)
• M31: 37,542,334 km (0.114 R)
• M32: 37,676,972 km (0.113 R)
• M33: 39,736,336 km (0.088 R)
• M34: 43,481,220 km (0.076 R)
• M35: 51,331,069 km (0.097 R)
• M36: 54,029,365 km (0.052 R)
• M37: 55,413,295 km (0.064 R)
• M38: 58,432,180 km (0.094 R)
• M39: 61,559,075 km (0.052 R)
• M40: 62,878,229 km (0.104 R)
• M41: 64,023,999 km (0.041 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 19,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit