🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 8.3

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.42 AU - 1.82 AU

Year: 1423 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,571,610 km

• M1: 103,372 km (0.115 R)
• M2: 373,995 km (0.116 R)
• M3: 639,082 km (0.109 R)
• M4: 1,323,343 km (0.109 R)
• M5: 1,662,481 km (0.063 R)
• M6: 2,003,714 km (0.112 R)
• M7: 2,268,801 km (0.082 R)
• M8: 2,597,019 km (0.079 R)
• M9: 3,014,846 km (0.112 R)
• M10: 3,574,940 km (0.057 R)
• M11: 4,485,094 km (0.084 R)
• M12: 4,760,204 km (0.077 R)
• M13: 5,215,131 km (0.102 R)
• M14: 5,608,873 km (0.094 R)
• M15: 6,164,330 km (0.12 R)
• M16: 7,358,121 km (0.11 R)
• M17: 8,110,000 km (0.084 R)
• M18: 12,928,996 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 10.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.8 AU - 2.96 AU

Year: 2534 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,571,610 km

• M1: 133,142 km (0.082 R)
• M2: 625,020 km (0.082 R)
• M3: 997,070 km (0.117 R)
• M4: 1,620,594 km (0.109 R)
• M5: 2,010,745 km (0.036 R)
• M6: 2,899,955 km (0.058 R)
• M7: 3,593,790 km (0.117 R)
• M8: 4,050,512 km (0.107 R)
• M9: 4,507,683 km (0.072 R)
• M10: 5,081,092 km (0.086 R)
• M11: 5,417,836 km (0.111 R)
• M12: 6,066,493 km (0.052 R)
• M13: 6,519,176 km (0.109 R)
• M14: 6,968,568 km (0.108 R)
• M15: 7,545,866 km (0.077 R)
• M16: 8,098,182 km (0.109 R)
• M17: 8,618,184 km (0.101 R)
• M18: 8,977,069 km (0.071 R)
• M19: 9,565,737 km (0.08 R)
• M20: 10,279,468 km (0.093 R)
• M21: 11,703,789 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.64 AU - 3 AU

Year: 3269 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,571,610 km

• M1: 112,348 km (0.104 R)
• M2: 624,272 km (0.108 R)
• M3: 1,074,562 km (0.103 R)
• M4: 1,453,044 km (0.115 R)
• M5: 2,918,355 km (0.089 R)
• M6: 3,847,358 km (0.105 R)
• M7: 4,151,640 km (0.101 R)
• M8: 5,392,405 km (0.104 R)
• M9: 7,199,846 km (0.04 R)
• M10: 8,523,787 km (0.043 R)
• M11: 10,217,235 km (0.118 R)
• M12: 12,003,434 km (0.084 R)
• M13: 12,286,324 km (0.097 R)
• M14: 13,505,696 km (0.103 R)
• M15: 14,167,218 km (0.07 R)
• M16: 15,602,460 km (0.07 R)
• M17: 16,036,742 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 14.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.61 AU - 3.03 AU

Year: 3269 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,571,610 km

• M1: 178,171 km (0.085 R)
• M2: 703,708 km (0.112 R)
• M3: 1,247,497 km (0.043 R)
• M4: 1,867,131 km (0.106 R)
• M5: 2,368,583 km (0.103 R)
• M6: 2,929,426 km (0.108 R)
• M7: 3,797,392 km (0.119 R)
• M8: 4,786,982 km (0.077 R)
• M9: 5,866,630 km (0.12 R)
• M10: 6,960,639 km (0.088 R)
• M11: 7,967,583 km (0.115 R)
• M12: 8,801,591 km (0.055 R)
• M13: 9,377,842 km (0.113 R)
• M14: 11,025,812 km (0.094 R)
• M15: 14,007,896 km (0.114 R)
• M16: 15,709,123 km (0.117 R)
• M17: 16,255,604 km (0.094 R)
• M18: 17,072,857 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 10.6

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.1 AU - 6.7 AU

Year: 8662 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,571,610 km

• M1: 132,394 km (0.059 R)
• M2: 584,928 km (0.105 R)
• M3: 1,049,279 km (0.057 R)
• M4: 1,556,715 km (0.107 R)
• M5: 2,003,863 km (0.099 R)
• M6: 2,713,107 km (0.031 R)
• M7: 3,049,403 km (0.075 R)
• M8: 4,015,207 km (0.117 R)
• M9: 5,397,192 km (0.055 R)
• M10: 8,798,449 km (0.078 R)
• M11: 9,258,612 km (0.077 R)
• M12: 10,277,075 km (0.118 R)
• M13: 13,178,675 km (0.076 R)
• M14: 15,435,658 km (0.105 R)
• M15: 16,379,321 km (0.032 R)
• M16: 17,360,833 km (0.086 R)
• M17: 17,720,765 km (0.118 R)
• M18: 18,679,987 km (0.075 R)
• M19: 19,595,825 km (0.111 R)
• M20: 20,064,814 km (0.032 R)
• M21: 21,599,539 km (0.074 R)
• M22: 22,523,007 km (0.092 R)
• M23: 27,248,355 km (0.071 R)
• M24: 29,229,330 km (0.043 R)
• M25: 35,630,323 km (0.062 R)
• M26: 37,514,808 km (0.101 R)
• M27: 37,875,488 km (0.102 R)
• M28: 40,590,989 km (0.083 R)
• M29: 41,481,545 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 13.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.27 AU - 6.63 AU

Year: 8782 Days

Day: 7.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,571,610 km

• M1: 171,140 km (0.077 R)
• M2: 1,424,621 km (0.09 R)
• M3: 2,747,814 km (0.101 R)
• M4: 4,624,220 km (0.081 R)
• M5: 5,088,572 km (0.12 R)
• M6: 6,226,114 km (0.1 R)
• M7: 7,319,674 km (0.1 R)
• M8: 7,764,728 km (0.047 R)
• M9: 8,623,120 km (0.117 R)
• M10: 10,333,473 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.7

Radius: 4.4

Gravity: 42.03 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.41 AU - 6.97 AU

Year: 9369 Days

Day: 19.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,571,610 km

• M1: 58,343 km (0.083 R)
• M2: 328,517 km (0.089 R)
• M3: 1,031,777 km (0.108 R)
• M4: 1,251,087 km (0.097 R)
• M5: 1,487,152 km (0.049 R)
• M6: 1,752,240 km (0.12 R)
• M7: 2,979,242 km (0.091 R)
• M8: 4,162,262 km (0.102 R)
• M9: 4,304,230 km (0.067 R)
• M10: 4,567,971 km (0.117 R)
• M11: 5,836,860 km (0.11 R)
• M12: 6,494,941 km (0.096 R)
• M13: 7,489,169 km (0.093 R)
• M14: 8,176,421 km (0.098 R)
• M15: 8,904,664 km (0.074 R)
• M16: 9,675,093 km (0.042 R)
• M17: 10,752,646 km (0.043 R)
• M18: 12,961,608 km (0.118 R)
• M19: 13,264,993 km (0.083 R)
• M20: 20,866,210 km (0.062 R)
• M21: 26,433,794 km (0.111 R)
• M22: 32,025,015 km (0.102 R)
• M23: 32,245,971 km (0.095 R)
• M24: 32,579,424 km (0.106 R)
• M25: 38,479,714 km (0.11 R)
• M26: 40,379,457 km (0.092 R)
• M27: 42,740,710 km (0.103 R)
• M28: 43,955,146 km (0.051 R)
• M29: 44,364,894 km (0.11 R)
• M30: 44,502,075 km (0.106 R)
• M31: 47,735,933 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.4

Radius: 3.8

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.16 AU - 7.42 AU

Year: 10889 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,571,610 km

• M1: 51,910 km (0.079 R)
• M2: 184,604 km (0.052 R)
• M3: 334,202 km (0.066 R)
• M4: 725,101 km (0.112 R)
• M5: 1,064,688 km (0.095 R)
• M6: 2,209,710 km (0.047 R)
• M7: 2,590,437 km (0.108 R)
• M8: 7,720,148 km (0.09 R)
• M9: 8,426,848 km (0.11 R)
• M10: 9,434,689 km (0.12 R)
• M11: 9,787,889 km (0.077 R)
• M12: 11,093,281 km (0.114 R)
• M13: 12,145,402 km (0.095 R)
• M14: 13,262,300 km (0.084 R)
• M15: 14,215,089 km (0.088 R)
• M16: 15,152,918 km (0.114 R)
• M17: 16,445,144 km (0.058 R)
• M18: 17,876,048 km (0.049 R)
• M19: 18,144,726 km (0.101 R)
• M20: 19,671,372 km (0.113 R)
• M21: 20,982,448 km (0.104 R)
• M22: 22,898,497 km (0.06 R)
• M23: 24,595,536 km (0.112 R)
• M24: 25,517,058 km (0.059 R)
• M25: 27,162,485 km (0.064 R)
• M26: 28,877,475 km (0.074 R)
• M27: 29,340,481 km (0.103 R)
• M28: 30,663,225 km (0.119 R)
• M29: 30,951,650 km (0.096 R)
• M30: 31,339,258 km (0.11 R)
• M31: 31,632,021 km (0.108 R)
• M32: 33,022,234 km (0.067 R)
• M33: 34,349,317 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.1

Radius: 3.7

Gravity: 55.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.63 AU - 10.07 AU

Year: 16655 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,571,610 km

• M1: 46,375 km (0.074 R)
• M2: 181,761 km (0.111 R)
• M3: 493,374 km (0.052 R)
• M4: 689,945 km (0.076 R)
• M5: 891,903 km (0.098 R)
• M6: 1,267,992 km (0.064 R)
• M7: 2,018,674 km (0.12 R)
• M8: 2,388,928 km (0.116 R)
• M9: 2,567,399 km (0.097 R)
• M10: 3,026,963 km (0.081 R)
• M11: 3,262,879 km (0.03 R)
• M12: 3,860,971 km (0.091 R)
• M13: 6,049,588 km (0.053 R)
• M14: 7,126,992 km (0.063 R)
• M15: 8,275,754 km (0.086 R)
• M16: 9,214,481 km (0.089 R)
• M17: 9,992,091 km (0.074 R)
• M18: 13,126,016 km (0.047 R)
• M19: 13,541,300 km (0.1 R)
• M20: 15,518,535 km (0.057 R)
• M21: 15,827,006 km (0.114 R)
• M22: 16,139,516 km (0.068 R)
• M23: 18,529,192 km (0.1 R)
• M24: 20,125,402 km (0.058 R)
• M25: 28,563,469 km (0.1 R)
• M26: 31,294,678 km (0.083 R)
• M27: 33,806,725 km (0.104 R)
• M28: 33,935,828 km (0.038 R)
• M29: 34,585,831 km (0.078 R)
• M30: 42,292,964 km (0.117 R)
• M31: 47,264,400 km (0.104 R)
• M32: 48,894,418 km (0.098 R)
• M33: 54,184,798 km (0.107 R)
• M34: 58,162,306 km (0.099 R)
• M35: 62,136,224 km (0.097 R)
• M36: 63,696,529 km (0.117 R)
• M37: 64,486,406 km (0.112 R)
• M38: 68,533,926 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit