🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.1

Radius: 10.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.56 AU - 0.92 AU

Year: 411 Days

Day: 11.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,457,545 km

• M1: 133,142 km (0.106 R)
• M2: 524,490 km (0.054 R)
• M3: 933,341 km (0.088 R)
• M4: 1,272,479 km (0.114 R)
• M5: 1,681,929 km (0.076 R)
• M6: 2,037,972 km (0.112 R)
• M7: 2,576,524 km (0.053 R)
• M8: 2,969,069 km (0.103 R)
• M9: 3,448,231 km (0.086 R)
• M10: 4,162,710 km (0.099 R)
• M11: 5,569,529 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62

Radius: 13.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.86 AU - 1.1 AU

Year: 626 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 49,457,545 km

• M1: 170,392 km (0.075 R)
• M2: 1,530,536 km (0.114 R)
• M3: 2,497,237 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 10.2

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.08 AU - 1.64 AU

Year: 1024 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,457,545 km

• M1: 126,859 km (0.095 R)
• M2: 491,429 km (0.058 R)
• M3: 824,135 km (0.061 R)
• M4: 1,254,827 km (0.08 R)
• M5: 1,748,051 km (0.118 R)
• M6: 2,438,146 km (0.075 R)
• M7: 2,787,308 km (0.072 R)
• M8: 3,619,221 km (0.114 R)
• M9: 4,025,529 km (0.087 R)
• M10: 4,834,106 km (0.085 R)
• M11: 5,877,551 km (0.096 R)
• M12: 6,279,670 km (0.057 R)
• M13: 7,340,618 km (0.119 R)
• M14: 9,239,015 km (0.094 R)
• M15: 9,876,601 km (0.11 R)
• M16: 10,805,005 km (0.11 R)
• M17: 11,582,017 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 11.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.62 AU - 1.74 AU

Year: 1406 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 98 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,457,545 km

• M1: 143,016 km (0.118 R)
• M2: 880,832 km (0.096 R)
• M3: 1,407,716 km (0.029 R)
• M4: 2,406,581 km (0.087 R)
• M5: 2,922,694 km (0.058 R)
• M6: 3,667,541 km (0.104 R)
• M7: 4,116,335 km (0.113 R)
• M8: 4,858,490 km (0.109 R)
• M9: 5,438,930 km (0.059 R)
• M10: 5,884,432 km (0.058 R)
• M11: 7,185,036 km (0.046 R)
• M12: 7,794,348 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.8

Radius: 12.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.24 AU - 6.14 AU

Year: 8764 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 106.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,457,545 km

• M1: 160,967 km (0.111 R)
• M2: 628,311 km (0.107 R)
• M3: 1,096,253 km (0.106 R)
• M4: 2,570,241 km (0.072 R)
• M5: 3,061,221 km (0.065 R)
• M6: 3,545,021 km (0.059 R)
• M7: 4,029,119 km (0.095 R)
• M8: 5,753,085 km (0.045 R)
• M9: 6,962,584 km (0.098 R)
• M10: 8,672,637 km (0.061 R)
• M11: 9,330,569 km (0.109 R)
• M12: 11,299,726 km (0.088 R)
• M13: 12,354,989 km (0.074 R)
• M14: 12,794,956 km (0.091 R)
• M15: 13,823,591 km (0.107 R)
• M16: 16,569,610 km (0.07 R)
• M17: 19,364,996 km (0.097 R)
• M18: 20,643,160 km (0.11 R)
• M19: 21,817,054 km (0.074 R)
• M20: 24,126,696 km (0.059 R)
• M21: 26,052,469 km (0.112 R)
• M22: 26,686,166 km (0.106 R)
• M23: 30,108,965 km (0.08 R)
• M24: 34,351,860 km (0.048 R)
• M25: 35,665,329 km (0.103 R)
• M26: 38,625,871 km (0.087 R)
• M27: 39,568,786 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955

Radius: 3

Gravity: 106.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.06 AU - 7.32 AU

Year: 11173 Days

Day: 16.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 49,457,545 km

• M1: 37,399 km (0.077 R)
• M2: 152,590 km (0.054 R)
• M3: 256,112 km (0.097 R)
• M4: 438,771 km (0.083 R)
• M5: 578,645 km (0.101 R)
• M6: 926,759 km (0.048 R)
• M7: 1,385,276 km (0.084 R)
• M8: 1,562,101 km (0.099 R)
• M9: 2,550,344 km (0.082 R)
• M10: 2,816,180 km (0.111 R)
• M11: 2,979,541 km (0.11 R)
• M12: 3,508,070 km (0.085 R)
• M13: 4,650,399 km (0.099 R)
• M14: 5,149,009 km (0.078 R)
• M15: 5,719,127 km (0.057 R)
• M16: 7,502,034 km (0.074 R)
• M17: 8,232,670 km (0.12 R)
• M18: 9,009,681 km (0.039 R)
• M19: 9,623,481 km (0.116 R)
• M20: 9,887,372 km (0.091 R)
• M21: 11,991,616 km (0.038 R)
• M22: 12,545,128 km (0.118 R)
• M23: 16,981,602 km (0.113 R)
• M24: 17,522,399 km (0.052 R)
• M25: 19,296,480 km (0.059 R)
• M26: 22,451,798 km (0.027 R)
• M27: 26,650,561 km (0.038 R)
• M28: 28,988,178 km (0.031 R)
• M29: 30,657,989 km (0.102 R)
• M30: 32,626,697 km (0.04 R)
• M31: 33,702,306 km (0.097 R)
• M32: 34,187,901 km (0.099 R)
• M33: 35,048,687 km (0.105 R)
• M34: 36,050,244 km (0.114 R)
• M35: 40,656,363 km (0.093 R)
• M36: 42,181,064 km (0.095 R)
• M37: 50,537,751 km (0.097 R)
• M38: 55,101,384 km (0.118 R)
• M39: 57,655,468 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.9

Radius: 6.5

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.72 AU - 7.8 AU

Year: 12630 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,457,545 km

• M1: 216,767 km (0.099 R)
• M2: 539,600 km (0.079 R)
• M3: 837,150 km (0.078 R)
• M4: 2,130,573 km (0.107 R)
• M5: 2,930,323 km (0.111 R)
• M6: 3,723,790 km (0.096 R)
• M7: 3,942,951 km (0.038 R)
• M8: 4,528,627 km (0.099 R)
• M9: 4,842,483 km (0.115 R)
• M10: 6,594,873 km (0.086 R)
• M11: 9,119,935 km (0.063 R)
• M12: 9,723,562 km (0.068 R)
• M13: 12,466,739 km (0.106 R)
• M14: 13,272,921 km (0.081 R)
• M15: 14,245,756 km (0.107 R)
• M16: 14,715,643 km (0.08 R)
• M17: 15,474,853 km (0.052 R)
• M18: 17,146,160 km (0.081 R)
• M19: 19,257,584 km (0.096 R)
• M20: 22,876,806 km (0.033 R)
• M21: 23,243,470 km (0.069 R)
• M22: 25,723,204 km (0.084 R)
• M23: 28,585,012 km (0.082 R)
• M24: 36,404,193 km (0.109 R)
• M25: 38,302,291 km (0.104 R)
• M26: 53,953,669 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 4.3

Gravity: 48.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.2 AU - 9.82 AU

Year: 16029 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,457,545 km

• M1: 61,934 km (0.079 R)
• M2: 411,693 km (0.111 R)
• M3: 592,856 km (0.033 R)
• M4: 1,019,360 km (0.065 R)
• M5: 1,327,232 km (0.09 R)
• M6: 1,559,707 km (0.119 R)
• M7: 2,604,798 km (0.115 R)
• M8: 3,368,196 km (0.083 R)
• M9: 4,173,781 km (0.097 R)
• M10: 6,197,989 km (0.034 R)
• M11: 7,444,289 km (0.118 R)
• M12: 9,953,644 km (0.085 R)
• M13: 10,243,714 km (0.119 R)
• M14: 11,024,166 km (0.098 R)
• M15: 14,104,237 km (0.111 R)
• M16: 20,278,291 km (0.043 R)
• M17: 21,989,241 km (0.089 R)
• M18: 23,897,063 km (0.07 R)
• M19: 24,838,183 km (0.087 R)
• M20: 27,017,525 km (0.058 R)
• M21: 27,581,509 km (0.066 R)
• M22: 31,379,051 km (0.062 R)
• M23: 33,016,400 km (0.103 R)
• M24: 40,869,989 km (0.084 R)
• M25: 41,463,743 km (0.115 R)
• M26: 43,741,370 km (0.065 R)
• M27: 45,305,117 km (0.045 R)
• M28: 47,884,184 km (0.103 R)
• M29: 49,544,870 km (0.104 R)
• M30: 55,116,493 km (0.058 R)
• M31: 58,239,349 km (0.08 R)
• M32: 62,062,023 km (0.029 R)
• M33: 71,267,378 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.1

Radius: 6.6

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.81 AU - 9.71 AU

Year: 18194 Days

Day: 20.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,457,545 km

• M1: 89,310 km (0.104 R)
• M2: 365,019 km (0.086 R)
• M3: 602,879 km (0.078 R)
• M4: 1,256,323 km (0.09 R)
• M5: 1,741,918 km (0.11 R)
• M6: 3,200,796 km (0.034 R)
• M7: 3,501,637 km (0.09 R)
• M8: 4,674,335 km (0.068 R)
• M9: 5,230,091 km (0.11 R)
• M10: 5,828,931 km (0.075 R)
• M11: 6,202,029 km (0.099 R)
• M12: 6,630,626 km (0.104 R)
• M13: 7,503,530 km (0.071 R)
• M14: 8,035,650 km (0.11 R)
• M15: 8,831,959 km (0.109 R)
• M16: 9,075,953 km (0.09 R)
• M17: 9,324,286 km (0.118 R)
• M18: 10,310,136 km (0.111 R)
• M19: 10,580,609 km (0.075 R)
• M20: 11,249,461 km (0.107 R)
• M21: 12,609,305 km (0.073 R)
• M22: 15,651,827 km (0.114 R)
• M23: 18,667,421 km (0.064 R)
• M24: 20,058,681 km (0.1 R)
• M25: 21,255,314 km (0.086 R)
• M26: 25,227,287 km (0.091 R)
• M27: 25,521,546 km (0.057 R)
• M28: 32,590,195 km (0.109 R)
• M29: 37,835,845 km (0.108 R)
• M30: 38,739,865 km (0.098 R)
• M31: 40,056,027 km (0.111 R)
• M32: 44,754,297 km (0.08 R)
• M33: 50,736,417 km (0.049 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.6

Radius: 4.1

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.88 AU - 10.76 AU

Year: 19869 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,457,545 km

• M1: 51,611 km (0.115 R)
• M2: 227,987 km (0.11 R)
• M3: 423,063 km (0.112 R)
• M4: 919,429 km (0.055 R)
• M5: 1,609,972 km (0.067 R)
• M6: 6,878,360 km (0.036 R)
• M7: 7,701,747 km (0.043 R)
• M8: 8,361,025 km (0.111 R)
• M9: 10,095,164 km (0.062 R)
• M10: 10,937,699 km (0.077 R)
• M11: 11,883,008 km (0.111 R)
• M12: 20,645,254 km (0.118 R)
• M13: 31,148,670 km (0.086 R)
• M14: 39,535,725 km (0.11 R)
• M15: 40,695,707 km (0.113 R)
• M16: 44,173,858 km (0.056 R)
• M17: 45,843,968 km (0.102 R)
• M18: 47,411,455 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 15,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit