🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 13

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,144,112 km

• M1: 161,715 km (0.107 R)
• M2: 663,915 km (0.077 R)
• M3: 1,154,896 km (0.081 R)
• M4: 2,304,705 km (0.091 R)
• M5: 2,709,965 km (0.076 R)
• M6: 3,135,272 km (0.11 R)
• M7: 3,544,273 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665

Radius: 14.2

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 406 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,144,112 km

• M1: 176,525 km (0.108 R)
• M2: 629,508 km (0.046 R)
• M3: 1,089,521 km (0.091 R)
• M4: 1,633,010 km (0.069 R)
• M5: 2,503,221 km (0.056 R)
• M6: 3,486,528 km (0.065 R)
• M7: 4,266,830 km (0.112 R)
• M8: 4,757,212 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.1

Radius: 13.3

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.9 AU - 1.28 AU

Year: 772 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,144,112 km

• M1: 165,455 km (0.108 R)
• M2: 599,887 km (0.073 R)
• M3: 1,409,810 km (0.118 R)
• M4: 2,136,557 km (0.114 R)
• M5: 2,986,273 km (0.034 R)
• M6: 3,641,063 km (0.064 R)
• M7: 5,784,650 km (0.065 R)
• M8: 6,260,222 km (0.1 R)
• M9: 6,965,426 km (0.09 R)
• M10: 7,846,109 km (0.117 R)
• M11: 8,430,139 km (0.077 R)
• M12: 9,043,042 km (0.094 R)
• M13: 9,515,173 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 10.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.55 AU - 2.01 AU

Year: 1611 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,144,112 km

• M1: 150,795 km (0.116 R)
• M2: 594,801 km (0.075 R)
• M3: 958,324 km (0.063 R)
• M4: 1,322,595 km (0.098 R)
• M5: 1,744,760 km (0.114 R)
• M6: 2,707,123 km (0.031 R)
• M7: 3,915,275 km (0.05 R)
• M8: 4,930,746 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 9.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.78 AU - 2.8 AU

Year: 3161 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,144,112 km

• M1: 137,181 km (0.079 R)
• M2: 537,804 km (0.074 R)
• M3: 1,270,086 km (0.063 R)
• M4: 2,963,683 km (0.102 R)
• M5: 4,066,070 km (0.076 R)
• M6: 5,278,860 km (0.1 R)
• M7: 6,229,555 km (0.106 R)
• M8: 7,086,302 km (0.107 R)
• M9: 7,558,432 km (0.075 R)
• M10: 8,664,260 km (0.095 R)
• M11: 11,672,823 km (0.108 R)
• M12: 14,319,059 km (0.04 R)
• M13: 16,613,143 km (0.092 R)
• M14: 17,026,781 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 13.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.65 AU - 4.97 AU

Year: 6069 Days

Day: 5.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,144,112 km

• M1: 167,849 km (0.041 R)
• M2: 1,348,475 km (0.066 R)
• M3: 1,824,795 km (0.073 R)
• M4: 2,283,911 km (0.103 R)
• M5: 2,820,817 km (0.107 R)
• M6: 3,528,116 km (0.067 R)
• M7: 4,103,619 km (0.071 R)
• M8: 5,930,359 km (0.036 R)
• M9: 7,024,817 km (0.107 R)
• M10: 7,601,965 km (0.103 R)
• M11: 8,132,739 km (0.109 R)
• M12: 8,567,171 km (0.103 R)
• M13: 9,525,794 km (0.052 R)
• M14: 10,508,502 km (0.106 R)
• M15: 12,992,725 km (0.053 R)
• M16: 14,031,981 km (0.115 R)
• M17: 15,363,552 km (0.098 R)
• M18: 17,289,325 km (0.11 R)
• M19: 19,722,086 km (0.101 R)
• M20: 20,148,739 km (0.112 R)
• M21: 22,995,586 km (0.103 R)
• M22: 23,547,902 km (0.055 R)
• M23: 24,679,011 km (0.091 R)
• M24: 25,425,056 km (0.03 R)
• M25: 26,271,480 km (0.084 R)
• M26: 27,224,419 km (0.095 R)
• M27: 27,753,696 km (0.067 R)
• M28: 29,660,770 km (0.068 R)
• M29: 30,788,887 km (0.077 R)
• M30: 31,848,040 km (0.114 R)
• M31: 33,331,303 km (0.108 R)
• M32: 33,835,747 km (0.086 R)

Asteroid Belt

Center: 4.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 13.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.21 AU - 5.59 AU

Year: 7357 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,144,112 km

• M1: 165,455 km (0.096 R)
• M2: 994,975 km (0.063 R)
• M3: 1,595,461 km (0.106 R)
• M4: 3,452,270 km (0.098 R)
• M5: 3,948,486 km (0.113 R)
• M6: 6,395,907 km (0.102 R)
• M7: 7,148,833 km (0.051 R)
• M8: 8,284,880 km (0.064 R)
• M9: 10,186,418 km (0.082 R)
• M10: 10,618,606 km (0.102 R)
• M11: 12,309,661 km (0.117 R)
• M12: 14,352,270 km (0.116 R)
• M13: 16,284,775 km (0.12 R)
• M14: 17,757,566 km (0.097 R)
• M15: 21,121,574 km (0.054 R)
• M16: 24,630,691 km (0.092 R)
• M17: 28,227,921 km (0.12 R)
• M18: 33,938,820 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.1

Radius: 7.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.91 AU - 6.71 AU

Year: 10751 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,144,112 km

• M1: 88,562 km (0.087 R)
• M2: 366,664 km (0.114 R)
• M3: 608,265 km (0.094 R)
• M4: 860,786 km (0.095 R)
• M5: 1,368,970 km (0.094 R)
• M6: 2,078,064 km (0.119 R)
• M7: 2,532,991 km (0.118 R)
• M8: 2,824,408 km (0.077 R)
• M9: 3,138,264 km (0.111 R)
• M10: 3,786,621 km (0.065 R)
• M11: 4,921,770 km (0.072 R)
• M12: 5,222,462 km (0.06 R)
• M13: 5,535,420 km (0.1 R)
• M14: 5,860,945 km (0.072 R)
• M15: 6,408,174 km (0.101 R)
• M16: 6,767,060 km (0.083 R)
• M17: 10,381,943 km (0.071 R)
• M18: 10,827,295 km (0.047 R)
• M19: 15,173,263 km (0.097 R)
• M20: 18,400,688 km (0.077 R)
• M21: 21,023,737 km (0.066 R)
• M22: 21,259,503 km (0.12 R)
• M23: 21,497,214 km (0.118 R)
• M24: 22,547,241 km (0.071 R)
• M25: 24,142,852 km (0.084 R)
• M26: 26,173,344 km (0.076 R)
• M27: 29,674,383 km (0.047 R)
• M28: 31,280,466 km (0.076 R)
• M29: 36,332,386 km (0.112 R)
• M30: 37,936,225 km (0.117 R)
• M31: 40,429,722 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.8

Radius: 7.4

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.6 AU - 8.66 AU

Year: 14295 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,144,112 km

• M1: 92,003 km (0.079 R)
• M2: 426,952 km (0.087 R)
• M3: 836,551 km (0.11 R)
• M4: 1,294,171 km (0.077 R)
• M5: 1,658,442 km (0.111 R)
• M6: 1,926,521 km (0.08 R)
• M7: 2,282,415 km (0.081 R)
• M8: 2,748,861 km (0.084 R)
• M9: 3,354,283 km (0.069 R)
• M10: 3,702,547 km (0.069 R)
• M11: 4,440,364 km (0.115 R)
• M12: 5,669,759 km (0.082 R)
• M13: 5,932,902 km (0.117 R)
• M14: 6,443,330 km (0.105 R)
• M15: 6,771,847 km (0.109 R)
• M16: 8,010,218 km (0.093 R)
• M17: 8,732,626 km (0.088 R)
• M18: 10,086,337 km (0.091 R)
• M19: 11,101,957 km (0.06 R)
• M20: 11,815,988 km (0.111 R)
• M21: 12,879,329 km (0.107 R)
• M22: 14,210,302 km (0.084 R)
• M23: 14,980,132 km (0.118 R)
• M24: 17,221,108 km (0.095 R)
• M25: 23,204,575 km (0.085 R)
• M26: 24,567,561 km (0.076 R)
• M27: 30,212,188 km (0.09 R)
• M28: 30,555,365 km (0.068 R)
• M29: 30,785,596 km (0.075 R)
• M30: 32,549,056 km (0.096 R)
• M31: 35,255,880 km (0.045 R)
• M32: 37,843,624 km (0.045 R)
• M33: 40,833,487 km (0.095 R)
• M34: 51,714,189 km (0.1 R)
• M35: 54,200,954 km (0.091 R)
• M36: 55,559,303 km (0.1 R)
• M37: 57,814,640 km (0.035 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.5

Radius: 3.3

Gravity: 48.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.06 AU - 9.58 AU

Year: 19298 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,144,112 km

• M1: 41,289 km (0.103 R)
• M2: 190,588 km (0.12 R)
• M3: 546,032 km (0.092 R)
• M4: 1,054,815 km (0.106 R)
• M5: 1,807,292 km (0.09 R)
• M6: 1,954,347 km (0.042 R)
• M7: 3,011,256 km (0.103 R)
• M8: 3,165,790 km (0.101 R)
• M9: 3,807,565 km (0.083 R)
• M10: 4,498,408 km (0.068 R)
• M11: 5,086,627 km (0.05 R)
• M12: 6,888,384 km (0.12 R)
• M13: 7,248,017 km (0.091 R)
• M14: 7,858,675 km (0.084 R)
• M15: 8,656,481 km (0.078 R)
• M16: 10,944,580 km (0.108 R)
• M17: 11,187,228 km (0.062 R)
• M18: 11,746,574 km (0.082 R)
• M19: 13,605,627 km (0.092 R)
• M20: 15,047,451 km (0.114 R)
• M21: 17,478,716 km (0.036 R)
• M22: 17,727,048 km (0.076 R)
• M23: 21,360,482 km (0.057 R)
• M24: 23,904,543 km (0.113 R)
• M25: 24,108,146 km (0.119 R)
• M26: 35,303,602 km (0.075 R)
• M27: 35,966,320 km (0.106 R)
• M28: 37,180,307 km (0.046 R)
• M29: 39,547,244 km (0.12 R)
• M30: 44,271,395 km (0.085 R)
• M31: 45,664,750 km (0.096 R)
• M32: 47,407,116 km (0.12 R)
• M33: 48,051,584 km (0.064 R)
• M34: 60,106,180 km (0.088 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: 365 - 14,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit