🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.9

Radius: 14.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,661,366 km

• M1: 185,352 km (0.066 R)
• M2: 793,168 km (0.069 R)
• M3: 1,388,717 km (0.114 R)
• M4: 2,258,030 km (0.095 R)
• M5: 2,738,688 km (0.119 R)
• M6: 3,211,866 km (0.032 R)
• M7: 4,246,635 km (0.091 R)
• M8: 4,828,122 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 10.4

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.66 AU - 1.02 AU

Year: 513 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,661,366 km

• M1: 129,402 km (0.112 R)
• M2: 469,139 km (0.038 R)
• M3: 1,111,213 km (0.115 R)
• M4: 1,863,241 km (0.075 R)
• M5: 2,266,707 km (0.093 R)
• M6: 2,880,806 km (0.091 R)
• M7: 3,855,137 km (0.065 R)
• M8: 4,411,043 km (0.036 R)
• M9: 4,954,681 km (0.115 R)
• M10: 5,507,745 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 8.3

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.92 AU - 1.26 AU

Year: 759 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,661,366 km

• M1: 103,821 km (0.118 R)
• M2: 431,889 km (0.116 R)
• M3: 719,416 km (0.117 R)
• M4: 984,803 km (0.074 R)
• M5: 1,289,683 km (0.102 R)
• M6: 1,625,082 km (0.055 R)
• M7: 2,335,821 km (0.078 R)
• M8: 2,629,631 km (0.095 R)
• M9: 3,022,176 km (0.04 R)
• M10: 3,508,519 km (0.082 R)
• M11: 3,777,945 km (0.118 R)
• M12: 4,294,955 km (0.113 R)
• M13: 4,587,269 km (0.104 R)
• M14: 6,213,248 km (0.097 R)
• M15: 7,568,306 km (0.107 R)
• M16: 8,069,010 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 10.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.38 AU - 1.76 AU

Year: 1312 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,661,366 km

• M1: 135,685 km (0.093 R)
• M2: 493,673 km (0.11 R)
• M3: 837,748 km (0.062 R)
• M4: 1,198,578 km (0.095 R)
• M5: 1,587,084 km (0.12 R)
• M6: 2,209,112 km (0.081 R)
• M7: 2,947,228 km (0.103 R)
• M8: 3,653,330 km (0.066 R)
• M9: 4,275,657 km (0.072 R)
• M10: 4,834,554 km (0.081 R)
• M11: 5,240,413 km (0.115 R)
• M12: 6,550,442 km (0.083 R)
• M13: 8,309,563 km (0.06 R)
• M14: 8,893,893 km (0.098 R)
• M15: 9,897,844 km (0.085 R)
• M16: 10,845,098 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.65 AU - 3.01 AU

Year: 3175 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,661,366 km

• M1: 184,604 km (0.047 R)
• M2: 1,139,936 km (0.109 R)
• M3: 2,257,282 km (0.102 R)
• M4: 3,553,099 km (0.119 R)
• M5: 5,720,623 km (0.062 R)
• M6: 6,249,002 km (0.041 R)
• M7: 7,404,197 km (0.065 R)
• M8: 9,627,670 km (0.115 R)
• M9: 10,337,662 km (0.075 R)
• M10: 12,357,233 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.1

Radius: 11.9

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.69 AU - 3.27 AU

Year: 3430 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,661,366 km

• M1: 149,598 km (0.074 R)
• M2: 537,206 km (0.042 R)
• M3: 1,048,531 km (0.118 R)
• M4: 1,435,392 km (0.05 R)
• M5: 1,971,251 km (0.069 R)
• M6: 3,980,351 km (0.099 R)
• M7: 4,423,759 km (0.098 R)
• M8: 5,279,907 km (0.094 R)
• M9: 5,679,184 km (0.065 R)
• M10: 6,721,133 km (0.046 R)
• M11: 8,058,089 km (0.104 R)
• M12: 9,410,454 km (0.113 R)
• M13: 10,447,466 km (0.114 R)
• M14: 12,842,977 km (0.093 R)
• M15: 14,578,761 km (0.073 R)
• M16: 16,186,639 km (0.097 R)
• M17: 17,148,703 km (0.063 R)
• M18: 17,909,857 km (0.115 R)
• M19: 18,389,318 km (0.097 R)
• M20: 19,374,121 km (0.067 R)
• M21: 20,328,855 km (0.099 R)
• M22: 20,850,652 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.5

Radius: 9.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.93 AU - 4.71 AU

Year: 4979 Days

Day: 8.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,661,366 km

• M1: 115,639 km (0.034 R)
• M2: 413,489 km (0.107 R)
• M3: 706,551 km (0.083 R)
• M4: 1,009,337 km (0.069 R)
• M5: 1,401,134 km (0.028 R)
• M6: 1,705,416 km (0.114 R)
• M7: 2,466,270 km (0.097 R)
• M8: 2,932,866 km (0.069 R)
• M9: 4,430,790 km (0.09 R)
• M10: 5,799,610 km (0.062 R)
• M11: 6,204,123 km (0.031 R)
• M12: 7,908,641 km (0.088 R)
• M13: 8,850,060 km (0.119 R)
• M14: 9,192,939 km (0.115 R)
• M15: 11,573,789 km (0.093 R)
• M16: 11,891,984 km (0.106 R)
• M17: 12,593,747 km (0.12 R)
• M18: 13,571,968 km (0.075 R)
• M19: 15,241,330 km (0.095 R)
• M20: 17,337,196 km (0.096 R)
• M21: 17,694,287 km (0.107 R)
• M22: 18,117,200 km (0.116 R)
• M23: 19,426,331 km (0.092 R)
• M24: 19,941,247 km (0.118 R)
• M25: 20,333,343 km (0.113 R)
• M26: 21,953,637 km (0.109 R)
• M27: 22,795,275 km (0.038 R)
• M28: 23,368,085 km (0.109 R)
• M29: 24,917,769 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 8.5

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.79 AU - 4.37 AU

Year: 5496 Days

Day: 7.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,661,366 km

• M1: 117,135 km (0.102 R)
• M2: 556,354 km (0.098 R)
• M3: 999,314 km (0.047 R)
• M4: 1,396,646 km (0.045 R)
• M5: 1,799,064 km (0.099 R)
• M6: 2,460,735 km (0.055 R)
• M7: 2,972,958 km (0.104 R)
• M8: 3,967,036 km (0.106 R)
• M9: 5,698,183 km (0.096 R)
• M10: 6,039,864 km (0.09 R)
• M11: 6,628,532 km (0.081 R)
• M12: 7,731,218 km (0.083 R)
• M13: 8,189,436 km (0.098 R)
• M14: 8,584,973 km (0.079 R)
• M15: 9,500,213 km (0.096 R)
• M16: 10,710,460 km (0.095 R)
• M17: 11,183,787 km (0.101 R)
• M18: 12,325,518 km (0.095 R)
• M19: 12,951,286 km (0.11 R)
• M20: 14,897,255 km (0.06 R)
• M21: 15,249,409 km (0.112 R)
• M22: 15,909,434 km (0.096 R)
• M23: 18,336,809 km (0.094 R)
• M24: 20,854,691 km (0.088 R)
• M25: 22,272,281 km (0.028 R)
• M26: 22,733,042 km (0.051 R)
• M27: 33,037,643 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.2

Radius: 8

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.79 AU - 8.03 AU

Year: 13451 Days

Day: 21.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,661,366 km

• M1: 99,632 km (0.054 R)
• M2: 439,219 km (0.065 R)
• M3: 871,258 km (0.114 R)
• M4: 1,325,138 km (0.085 R)
• M5: 1,758,673 km (0.109 R)
• M6: 2,323,853 km (0.082 R)
• M7: 2,840,265 km (0.118 R)
• M8: 3,983,791 km (0.059 R)
• M9: 5,811,279 km (0.095 R)
• M10: 6,313,928 km (0.079 R)
• M11: 8,423,856 km (0.081 R)
• M12: 9,904,725 km (0.117 R)
• M13: 10,509,400 km (0.098 R)
• M14: 12,724,645 km (0.114 R)
• M15: 13,176,281 km (0.093 R)
• M16: 14,877,059 km (0.108 R)
• M17: 20,409,338 km (0.111 R)
• M18: 20,761,492 km (0.096 R)
• M19: 24,312,496 km (0.096 R)
• M20: 30,253,177 km (0.098 R)
• M21: 32,709,574 km (0.082 R)
• M22: 34,419,029 km (0.034 R)
• M23: 39,494,137 km (0.101 R)
• M24: 42,280,547 km (0.12 R)
• M25: 46,246,387 km (0.051 R)
• M26: 47,160,130 km (0.082 R)
• M27: 51,910,312 km (0.028 R)
• M28: 53,395,220 km (0.112 R)
• M29: 54,569,563 km (0.11 R)
• M30: 56,276,924 km (0.091 R)
• M31: 59,618,641 km (0.119 R)
• M32: 59,977,826 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.6

Radius: 3.4

Gravity: 65.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.81 AU - 8.09 AU

Year: 14948 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,661,366 km

• M1: 42,336 km (0.083 R)
• M2: 197,768 km (0.109 R)
• M3: 311,912 km (0.06 R)
• M4: 471,682 km (0.092 R)
• M5: 607,218 km (0.098 R)
• M6: 818,300 km (0.03 R)
• M7: 958,025 km (0.032 R)
• M8: 1,164,919 km (0.091 R)
• M9: 1,667,717 km (0.082 R)
• M10: 2,081,355 km (0.096 R)
• M11: 2,515,488 km (0.066 R)
• M12: 2,627,088 km (0.095 R)
• M13: 2,908,931 km (0.034 R)
• M14: 5,472,141 km (0.074 R)
• M15: 7,055,484 km (0.11 R)
• M16: 9,023,744 km (0.071 R)
• M17: 9,826,935 km (0.066 R)
• M18: 11,883,756 km (0.051 R)
• M19: 12,585,070 km (0.071 R)
• M20: 13,045,533 km (0.073 R)
• M21: 14,069,979 km (0.085 R)
• M22: 14,351,821 km (0.09 R)
• M23: 14,637,553 km (0.101 R)
• M24: 15,073,182 km (0.111 R)
• M25: 17,061,338 km (0.086 R)
• M26: 17,625,023 km (0.065 R)
• M27: 18,284,301 km (0.117 R)
• M28: 20,004,078 km (0.069 R)
• M29: 21,455,327 km (0.104 R)
• M30: 22,111,762 km (0.091 R)
• M31: 26,121,434 km (0.076 R)
• M32: 29,543,036 km (0.056 R)
• M33: 31,300,961 km (0.084 R)
• M34: 37,662,461 km (0.102 R)
• M35: 40,007,258 km (0.104 R)
• M36: 42,155,483 km (0.078 R)
• M37: 53,372,032 km (0.096 R)
• M38: 56,678,744 km (0.052 R)
• M39: 61,609,041 km (0.065 R)
• M40: 62,173,773 km (0.108 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: 391 - 16,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit