🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 12.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.96 AU - 1.02 AU

Year: 636 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,233,511 km

• M1: 160,519 km (0.096 R)
• M2: 705,952 km (0.108 R)
• M3: 1,222,813 km (0.064 R)
• M4: 1,624,334 km (0.107 R)
• M5: 2,098,110 km (0.096 R)
• M6: 2,782,969 km (0.063 R)
• M7: 3,245,526 km (0.114 R)
• M8: 3,773,008 km (0.073 R)
• M9: 4,447,844 km (0.074 R)
• M10: 6,152,661 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 13.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.96 AU - 1.16 AU

Year: 705 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,233,511 km

• M1: 168,148 km (0.041 R)
• M2: 609,611 km (0.074 R)
• M3: 1,029,533 km (0.099 R)
• M4: 1,598,004 km (0.119 R)
• M5: 2,100,504 km (0.096 R)
• M6: 2,917,158 km (0.111 R)
• M7: 3,542,926 km (0.074 R)
• M8: 4,107,060 km (0.103 R)
• M9: 4,649,352 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 9.1

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.79 AU - 2.63 AU

Year: 2121 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,233,511 km

• M1: 114,143 km (0.09 R)
• M2: 405,261 km (0.04 R)
• M3: 851,062 km (0.062 R)
• M4: 1,173,745 km (0.118 R)
• M5: 1,945,820 km (0.086 R)
• M6: 2,277,179 km (0.088 R)
• M7: 3,384,652 km (0.11 R)
• M8: 3,923,952 km (0.087 R)
• M9: 5,358,745 km (0.087 R)
• M10: 5,965,365 km (0.104 R)
• M11: 10,131,815 km (0.055 R)
• M12: 12,574,898 km (0.119 R)
• M13: 13,382,726 km (0.074 R)
• M14: 14,315,319 km (0.068 R)
• M15: 15,673,818 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.7

Radius: 9.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.85 AU - 3.05 AU

Year: 2476 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,233,511 km

• M1: 120,576 km (0.062 R)
• M2: 501,003 km (0.096 R)
• M3: 1,259,016 km (0.119 R)
• M4: 1,725,761 km (0.103 R)
• M5: 2,090,331 km (0.077 R)
• M6: 2,491,403 km (0.077 R)
• M7: 2,861,957 km (0.099 R)
• M8: 3,163,696 km (0.06 R)
• M9: 4,328,465 km (0.045 R)
• M10: 4,774,117 km (0.087 R)
• M11: 7,019,730 km (0.092 R)
• M12: 7,892,933 km (0.101 R)
• M13: 8,288,620 km (0.085 R)
• M14: 8,836,746 km (0.102 R)
• M15: 9,891,710 km (0.101 R)
• M16: 11,110,185 km (0.102 R)
• M17: 12,603,022 km (0.106 R)
• M18: 14,565,597 km (0.053 R)
• M19: 14,911,467 km (0.093 R)
• M20: 16,350,150 km (0.044 R)
• M21: 16,670,140 km (0.115 R)
• M22: 18,048,534 km (0.109 R)
• M23: 19,028,400 km (0.031 R)
• M24: 19,680,946 km (0.114 R)
• M25: 20,780,939 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.6

Radius: 14.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.71 AU - 3.33 AU

Year: 3389 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,233,511 km

• M1: 175,329 km (0.069 R)
• M2: 682,017 km (0.117 R)
• M3: 1,189,153 km (0.109 R)
• M4: 1,805,497 km (0.097 R)
• M5: 2,384,889 km (0.119 R)
• M6: 3,697,461 km (0.105 R)
• M7: 4,229,281 km (0.108 R)
• M8: 5,996,930 km (0.035 R)
• M9: 6,889,580 km (0.116 R)
• M10: 7,665,993 km (0.091 R)
• M11: 8,608,609 km (0.107 R)
• M12: 9,627,072 km (0.119 R)
• M13: 10,104,887 km (0.109 R)
• M14: 11,281,774 km (0.12 R)
• M15: 12,039,786 km (0.082 R)
• M16: 13,216,074 km (0.047 R)
• M17: 13,957,781 km (0.11 R)
• M18: 17,673,792 km (0.102 R)
• M19: 18,452,748 km (0.115 R)
• M20: 19,005,362 km (0.1 R)
• M21: 19,886,793 km (0.111 R)
• M22: 20,861,423 km (0.052 R)
• M23: 24,341,070 km (0.107 R)
• M24: 24,783,131 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 10.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.75 AU - 3.69 AU

Year: 3731 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,233,511 km

• M1: 130,599 km (0.041 R)
• M2: 502,050 km (0.04 R)
• M3: 952,041 km (0.103 R)
• M4: 1,797,568 km (0.118 R)
• M5: 2,285,706 km (0.071 R)
• M6: 2,997,343 km (0.089 R)
• M7: 3,339,623 km (0.107 R)
• M8: 3,891,938 km (0.081 R)
• M9: 5,595,409 km (0.096 R)
• M10: 6,405,482 km (0.075 R)
• M11: 7,039,627 km (0.109 R)
• M12: 8,646,308 km (0.081 R)
• M13: 9,573,815 km (0.099 R)
• M14: 9,923,425 km (0.088 R)
• M15: 11,066,502 km (0.113 R)
• M16: 11,713,812 km (0.059 R)
• M17: 12,662,413 km (0.09 R)
• M18: 21,046,476 km (0.063 R)
• M19: 21,440,217 km (0.068 R)
• M20: 21,972,935 km (0.102 R)
• M21: 22,788,543 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 5.2

Gravity: 21.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.31 AU - 7.89 AU

Year: 12215 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,233,511 km

• M1: 73,752 km (0.039 R)
• M2: 487,539 km (0.066 R)
• M3: 673,789 km (0.115 R)
• M4: 849,417 km (0.059 R)
• M5: 1,270,236 km (0.076 R)
• M6: 1,498,971 km (0.06 R)
• M7: 2,316,673 km (0.092 R)
• M8: 3,347,851 km (0.081 R)
• M9: 5,133,601 km (0.049 R)
• M10: 5,471,393 km (0.06 R)
• M11: 6,153,858 km (0.077 R)
• M12: 9,861,791 km (0.073 R)
• M13: 11,369,438 km (0.116 R)
• M14: 12,901,021 km (0.058 R)
• M15: 13,588,423 km (0.093 R)
• M16: 16,876,285 km (0.084 R)
• M17: 19,179,793 km (0.114 R)
• M18: 21,684,511 km (0.057 R)
• M19: 25,255,711 km (0.057 R)
• M20: 30,600,843 km (0.119 R)
• M21: 34,238,764 km (0.077 R)
• M22: 36,529,706 km (0.118 R)
• M23: 40,483,577 km (0.054 R)
• M24: 40,747,917 km (0.095 R)
• M25: 43,180,229 km (0.069 R)
• M26: 47,887,625 km (0.076 R)
• M27: 48,480,481 km (0.049 R)
• M28: 51,518,216 km (0.106 R)
• M29: 52,140,692 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.3

Radius: 5

Gravity: 24.09 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.43 AU - 9.73 AU

Year: 17666 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,233,511 km

• M1: 62,233 km (0.068 R)
• M2: 262,395 km (0.104 R)
• M3: 544,237 km (0.098 R)
• M4: 836,102 km (0.036 R)
• M5: 1,097,300 km (0.105 R)
• M6: 1,680,433 km (0.03 R)
• M7: 2,385,039 km (0.059 R)
• M8: 2,815,282 km (0.088 R)
• M9: 3,569,555 km (0.087 R)
• M10: 4,008,774 km (0.109 R)
• M11: 4,288,971 km (0.079 R)
• M12: 4,516,061 km (0.092 R)
• M13: 6,803,262 km (0.091 R)
• M14: 7,430,526 km (0.109 R)
• M15: 9,489,292 km (0.113 R)
• M16: 9,819,305 km (0.108 R)
• M17: 12,348,257 km (0.098 R)
• M18: 12,675,577 km (0.045 R)
• M19: 13,692,244 km (0.067 R)
• M20: 13,901,981 km (0.066 R)
• M21: 16,274,004 km (0.094 R)
• M22: 19,337,470 km (0.118 R)
• M23: 19,957,254 km (0.105 R)
• M24: 21,329,964 km (0.044 R)
• M25: 27,120,448 km (0.096 R)
• M26: 30,314,213 km (0.047 R)
• M27: 30,909,613 km (0.048 R)
• M28: 32,370,586 km (0.085 R)
• M29: 34,260,755 km (0.112 R)
• M30: 37,846,167 km (0.067 R)
• M31: 39,658,396 km (0.07 R)
• M32: 42,261,997 km (0.113 R)
• M33: 42,558,051 km (0.102 R)
• M34: 47,326,932 km (0.1 R)
• M35: 48,128,029 km (0.118 R)
• M36: 51,086,775 km (0.086 R)
• M37: 54,514,062 km (0.071 R)
• M38: 62,971,578 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.1

Radius: 7.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.2 AU - 12.58 AU

Year: 21624 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,233,511 km

• M1: 96,341 km (0.066 R)
• M2: 915,389 km (0.1 R)
• M3: 1,197,381 km (0.113 R)
• M4: 2,042,909 km (0.108 R)
• M5: 4,036,450 km (0.045 R)
• M6: 4,498,258 km (0.091 R)
• M7: 5,807,090 km (0.068 R)
• M8: 6,244,963 km (0.089 R)
• M9: 10,630,425 km (0.117 R)
• M10: 11,794,595 km (0.119 R)
• M11: 13,665,167 km (0.11 R)
• M12: 15,724,980 km (0.088 R)
• M13: 18,136,199 km (0.088 R)
• M14: 19,150,173 km (0.058 R)
• M15: 19,630,681 km (0.076 R)
• M16: 19,955,458 km (0.077 R)
• M17: 26,432,747 km (0.063 R)
• M18: 28,246,771 km (0.078 R)
• M19: 29,395,234 km (0.086 R)
• M20: 31,120,845 km (0.075 R)
• M21: 31,784,910 km (0.11 R)
• M22: 32,232,956 km (0.102 R)
• M23: 40,376,914 km (0.114 R)
• M24: 48,155,106 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.6

Radius: 5

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 11.13 AU - 11.13 AU

Year: 23975 Days

Day: 16.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,233,511 km

• M1: 72,106 km (0.047 R)
• M2: 488,736 km (0.062 R)
• M3: 810,970 km (0.11 R)
• M4: 1,014,124 km (0.091 R)
• M5: 1,890,019 km (0.075 R)
• M6: 2,633,671 km (0.1 R)
• M7: 3,009,460 km (0.073 R)
• M8: 3,925,897 km (0.092 R)
• M9: 4,577,246 km (0.12 R)
• M10: 6,789,649 km (0.096 R)
• M11: 7,004,920 km (0.091 R)
• M12: 7,358,570 km (0.111 R)
• M13: 7,677,662 km (0.116 R)
• M14: 7,864,210 km (0.088 R)
• M15: 8,741,153 km (0.113 R)
• M16: 11,215,652 km (0.078 R)
• M17: 11,822,720 km (0.028 R)
• M18: 12,451,480 km (0.088 R)
• M19: 13,235,223 km (0.075 R)
• M20: 14,542,409 km (0.082 R)
• M21: 17,330,614 km (0.102 R)
• M22: 21,452,484 km (0.105 R)
• M23: 21,916,238 km (0.111 R)
• M24: 22,103,534 km (0.063 R)
• M25: 22,671,857 km (0.07 R)
• M26: 23,152,963 km (0.083 R)
• M27: 25,868,763 km (0.112 R)
• M28: 26,183,068 km (0.032 R)
• M29: 27,902,546 km (0.093 R)
• M30: 31,445,323 km (0.105 R)
• M31: 32,405,891 km (0.117 R)
• M32: 33,883,319 km (0.118 R)
• M33: 35,663,085 km (0.066 R)
• M34: 36,052,339 km (0.096 R)
• M35: 36,575,782 km (0.042 R)
• M36: 43,111,713 km (0.071 R)
• M37: 53,035,288 km (0.062 R)
• M38: 57,006,662 km (0.099 R)
• M39: 58,074,342 km (0.118 R)
• M40: 59,700,770 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 15,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit