🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 13.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.7 AU - 0.92 AU

Year: 486 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,030,082 km

• M1: 163,660 km (0.107 R)
• M2: 610,808 km (0.067 R)
• M3: 1,308,383 km (0.107 R)
• M4: 1,865,037 km (0.1 R)
• M5: 2,814,385 km (0.058 R)
• M6: 3,332,442 km (0.109 R)
• M7: 3,778,992 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.9

Radius: 12.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.81 AU - 1.23 AU

Year: 687 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,030,082 km

• M1: 151,692 km (0.074 R)
• M2: 561,441 km (0.091 R)
• M3: 1,041,650 km (0.113 R)
• M4: 1,530,985 km (0.105 R)
• M5: 1,932,356 km (0.116 R)
• M6: 3,035,790 km (0.111 R)
• M7: 3,507,322 km (0.092 R)
• M8: 4,217,314 km (0.031 R)
• M9: 4,823,035 km (0.054 R)
• M10: 5,812,326 km (0.041 R)
• M11: 6,209,359 km (0.092 R)
• M12: 7,058,177 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.1

Radius: 8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.45 AU - 1.73 AU

Year: 1337 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,030,082 km

• M1: 99,483 km (0.101 R)
• M2: 351,705 km (0.096 R)
• M3: 742,005 km (0.118 R)
• M4: 1,451,399 km (0.078 R)
• M5: 1,787,246 km (0.111 R)
• M6: 2,061,608 km (0.114 R)
• M7: 2,643,245 km (0.096 R)
• M8: 3,001,532 km (0.11 R)
• M9: 3,345,158 km (0.11 R)
• M10: 3,970,776 km (0.115 R)
• M11: 4,220,006 km (0.068 R)
• M12: 4,691,389 km (0.079 R)
• M13: 5,281,702 km (0.112 R)
• M14: 5,562,049 km (0.049 R)
• M15: 7,115,623 km (0.086 R)
• M16: 8,090,851 km (0.07 R)
• M17: 8,348,010 km (0.096 R)
• M18: 8,969,290 km (0.114 R)
• M19: 9,369,165 km (0.075 R)
• M20: 10,204,520 km (0.115 R)
• M21: 10,811,438 km (0.114 R)
• M22: 12,699,812 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.6

Radius: 11.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.92 AU - 2.98 AU

Year: 2557 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,030,082 km

• M1: 141,819 km (0.088 R)
• M2: 521,049 km (0.086 R)
• M3: 914,193 km (0.075 R)
• M4: 1,682,976 km (0.089 R)
• M5: 2,195,199 km (0.073 R)
• M6: 2,825,904 km (0.106 R)
• M7: 3,193,316 km (0.094 R)
• M8: 3,649,739 km (0.092 R)
• M9: 5,436,686 km (0.105 R)
• M10: 6,172,408 km (0.078 R)
• M11: 7,368,144 km (0.113 R)
• M12: 10,564,602 km (0.115 R)
• M13: 11,625,400 km (0.066 R)
• M14: 12,008,819 km (0.058 R)
• M15: 12,533,010 km (0.064 R)
• M16: 15,849,146 km (0.109 R)
• M17: 17,237,714 km (0.049 R)
• M18: 17,736,772 km (0.102 R)
• M19: 18,532,184 km (0.059 R)
• M20: 18,938,791 km (0.071 R)
• M21: 19,950,970 km (0.071 R)
• M22: 20,936,372 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.8

Radius: 7.1

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.05 AU - 7.07 AU

Year: 9948 Days

Day: 22.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,030,082 km

• M1: 88,412 km (0.112 R)
• M2: 484,996 km (0.095 R)
• M3: 711,787 km (0.106 R)
• M4: 1,011,880 km (0.099 R)
• M5: 1,552,527 km (0.103 R)
• M6: 1,811,331 km (0.077 R)
• M7: 2,725,823 km (0.099 R)
• M8: 8,392,141 km (0.056 R)
• M9: 9,806,440 km (0.099 R)
• M10: 12,076,587 km (0.067 R)
• M11: 12,467,487 km (0.082 R)
• M12: 16,038,089 km (0.103 R)
• M13: 18,055,565 km (0.07 R)
• M14: 28,113,928 km (0.067 R)
• M15: 30,309,725 km (0.048 R)
• M16: 32,295,936 km (0.109 R)
• M17: 35,834,674 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92

Radius: 3

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.96 AU - 7.5 AU

Year: 10370 Days

Day: 20.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,030,082 km

• M1: 37,250 km (0.04 R)
• M2: 198,965 km (0.094 R)
• M3: 319,541 km (0.052 R)
• M4: 1,361,490 km (0.102 R)
• M5: 1,538,315 km (0.099 R)
• M6: 1,806,245 km (0.069 R)
• M7: 2,235,291 km (0.094 R)
• M8: 2,465,523 km (0.11 R)
• M9: 2,814,385 km (0.066 R)
• M10: 2,955,605 km (0.059 R)
• M11: 3,991,421 km (0.102 R)
• M12: 4,102,273 km (0.085 R)
• M13: 5,380,287 km (0.102 R)
• M14: 6,376,160 km (0.081 R)
• M15: 7,725,832 km (0.118 R)
• M16: 11,999,694 km (0.104 R)
• M17: 12,230,823 km (0.12 R)
• M18: 12,324,172 km (0.059 R)
• M19: 12,606,912 km (0.068 R)
• M20: 19,590,888 km (0.109 R)
• M21: 21,566,777 km (0.085 R)
• M22: 22,323,293 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.9

Radius: 3.8

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.93 AU - 7.15 AU

Year: 11153 Days

Day: 15.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,030,082 km

• M1: 47,273 km (0.109 R)
• M2: 191,036 km (0.105 R)
• M3: 476,320 km (0.114 R)
• M4: 632,051 km (0.118 R)
• M5: 1,315,414 km (0.096 R)
• M6: 1,626,278 km (0.11 R)
• M7: 1,812,827 km (0.066 R)
• M8: 1,984,117 km (0.075 R)
• M9: 2,181,735 km (0.114 R)
• M10: 2,309,642 km (0.087 R)
• M11: 2,634,119 km (0.1 R)
• M12: 3,207,079 km (0.062 R)
• M13: 4,913,841 km (0.113 R)
• M14: 5,162,623 km (0.114 R)
• M15: 5,304,441 km (0.112 R)
• M16: 5,507,296 km (0.091 R)
• M17: 6,869,385 km (0.105 R)
• M18: 7,573,392 km (0.102 R)
• M19: 8,170,288 km (0.091 R)
• M20: 9,928,811 km (0.083 R)
• M21: 11,534,445 km (0.101 R)
• M22: 11,777,092 km (0.11 R)
• M23: 12,222,595 km (0.036 R)
• M24: 13,411,748 km (0.113 R)
• M25: 13,897,343 km (0.099 R)
• M26: 15,133,470 km (0.053 R)
• M27: 15,837,777 km (0.065 R)
• M28: 19,483,627 km (0.109 R)
• M29: 22,804,849 km (0.118 R)
• M30: 23,418,499 km (0.069 R)
• M31: 24,678,712 km (0.064 R)
• M32: 25,735,322 km (0.105 R)
• M33: 31,098,256 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.4

Radius: 3.1

Gravity: 37.4 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.98 AU - 8.24 AU

Year: 12643 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 38,030,082 km

• M1: 39,494 km (0.105 R)
• M2: 203,453 km (0.03 R)
• M3: 399,875 km (0.057 R)
• M4: 624,721 km (0.11 R)
• M5: 805,136 km (0.085 R)
• M6: 1,691,204 km (0.074 R)
• M7: 1,991,596 km (0.055 R)
• M8: 2,093,473 km (0.116 R)
• M9: 2,458,491 km (0.098 R)
• M10: 3,105,951 km (0.114 R)
• M11: 3,629,244 km (0.082 R)
• M12: 3,807,565 km (0.098 R)
• M13: 5,002,104 km (0.091 R)
• M14: 6,207,414 km (0.099 R)
• M15: 6,352,225 km (0.095 R)
• M16: 9,408,659 km (0.118 R)
• M17: 10,139,145 km (0.037 R)
• M18: 10,441,632 km (0.093 R)
• M19: 12,441,457 km (0.107 R)
• M20: 13,990,094 km (0.094 R)
• M21: 15,729,468 km (0.037 R)
• M22: 16,965,895 km (0.115 R)
• M23: 19,321,163 km (0.076 R)
• M24: 21,635,891 km (0.114 R)
• M25: 23,161,939 km (0.082 R)
• M26: 23,686,130 km (0.105 R)
• M27: 25,768,832 km (0.074 R)
• M28: 26,806,742 km (0.083 R)
• M29: 27,287,549 km (0.036 R)
• M30: 29,881,127 km (0.093 R)
• M31: 30,294,167 km (0.067 R)
• M32: 33,182,304 km (0.103 R)
• M33: 36,954,713 km (0.108 R)
• M34: 40,623,302 km (0.096 R)
• M35: 41,769,521 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.2

Radius: 4.5

Gravity: 47.81 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.74 AU - 10.6 AU

Year: 18518 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,030,082 km

• M1: 119,080 km (0.057 R)
• M2: 352,004 km (0.1 R)
• M3: 675,734 km (0.115 R)
• M4: 1,055,114 km (0.092 R)
• M5: 1,400,086 km (0.095 R)
• M6: 2,033,035 km (0.055 R)
• M7: 2,995,697 km (0.04 R)
• M8: 4,195,323 km (0.081 R)
• M9: 4,364,967 km (0.077 R)
• M10: 6,018,921 km (0.058 R)
• M11: 8,798,449 km (0.056 R)
• M12: 8,964,802 km (0.064 R)
• M13: 12,124,159 km (0.104 R)
• M14: 12,330,305 km (0.033 R)
• M15: 14,215,538 km (0.114 R)
• M16: 16,284,626 km (0.112 R)
• M17: 21,107,212 km (0.062 R)
• M18: 32,111,482 km (0.108 R)
• M19: 38,376,043 km (0.053 R)
• M20: 45,905,004 km (0.116 R)
• M21: 69,995,946 km (0.085 R)
• M22: 70,881,266 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.3

Radius: 7.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.86 AU - 10.1 AU

Year: 19464 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,030,082 km

• M1: 97,388 km (0.112 R)
• M2: 336,446 km (0.091 R)
• M3: 681,119 km (0.079 R)
• M4: 1,023,249 km (0.103 R)
• M5: 2,025,854 km (0.103 R)
• M6: 2,534,786 km (0.038 R)
• M7: 3,320,325 km (0.041 R)
• M8: 4,336,992 km (0.09 R)
• M9: 4,662,367 km (0.109 R)
• M10: 5,768,943 km (0.104 R)
• M11: 6,609,683 km (0.055 R)
• M12: 9,000,257 km (0.097 R)
• M13: 17,141,373 km (0.109 R)
• M14: 17,955,484 km (0.062 R)
• M15: 19,807,356 km (0.065 R)
• M16: 21,393,243 km (0.03 R)
• M17: 21,626,467 km (0.097 R)
• M18: 28,963,793 km (0.084 R)
• M19: 35,798,770 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 14,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit