🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 13.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.49 AU - 0.75 AU

Year: 337 Days

Day: 13.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,078,302 km

• M1: 167,849 km (0.082 R)
• M2: 610,060 km (0.081 R)
• M3: 1,066,782 km (0.107 R)
• M4: 1,514,978 km (0.093 R)
• M5: 2,158,248 km (0.089 R)
• M6: 2,684,683 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.3

Radius: 13.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.14 AU - 1.24 AU

Year: 896 Days

Day: 9.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,078,302 km

• M1: 164,408 km (0.054 R)
• M2: 613,800 km (0.085 R)
• M3: 1,300,005 km (0.098 R)
• M4: 2,584,303 km (0.1 R)
• M5: 7,682,898 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.4

Radius: 9.2

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.17 AU - 1.27 AU

Year: 930 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,078,302 km

• M1: 114,442 km (0.068 R)
• M2: 591,660 km (0.098 R)
• M3: 1,007,691 km (0.051 R)
• M4: 1,386,323 km (0.086 R)
• M5: 1,725,013 km (0.092 R)
• M6: 2,039,617 km (0.033 R)
• M7: 2,503,969 km (0.079 R)
• M8: 2,798,527 km (0.094 R)
• M9: 3,102,959 km (0.099 R)
• M10: 3,458,104 km (0.032 R)
• M11: 5,084,383 km (0.096 R)
• M12: 5,758,620 km (0.104 R)
• M13: 7,498,743 km (0.086 R)
• M14: 8,846,769 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.74 AU - 5.14 AU

Year: 7579 Days

Day: 9.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,078,302 km

• M1: 112,049 km (0.114 R)
• M2: 486,193 km (0.1 R)
• M3: 930,499 km (0.113 R)
• M4: 1,474,736 km (0.087 R)
• M5: 1,761,066 km (0.119 R)
• M6: 2,201,632 km (0.097 R)
• M7: 2,485,419 km (0.107 R)
• M8: 2,874,822 km (0.098 R)
• M9: 3,171,325 km (0.034 R)
• M10: 3,777,047 km (0.049 R)
• M11: 4,213,274 km (0.088 R)
• M12: 5,005,096 km (0.055 R)
• M13: 5,436,536 km (0.049 R)
• M14: 8,143,210 km (0.064 R)
• M15: 8,917,080 km (0.067 R)
• M16: 9,645,472 km (0.043 R)
• M17: 13,774,972 km (0.084 R)
• M18: 15,060,766 km (0.116 R)
• M19: 19,397,159 km (0.119 R)
• M20: 21,247,236 km (0.103 R)
• M21: 21,970,542 km (0.037 R)
• M22: 22,960,132 km (0.083 R)
• M23: 25,028,173 km (0.072 R)
• M24: 26,382,033 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 4.2

Gravity: 49.05 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.96 AU - 6.2 AU

Year: 9098 Days

Day: 19.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,078,302 km

• M1: 53,257 km (0.039 R)
• M2: 209,736 km (0.12 R)
• M3: 365,019 km (0.097 R)
• M4: 521,947 km (0.116 R)
• M5: 724,054 km (0.083 R)
• M6: 896,540 km (0.112 R)
• M7: 1,312,572 km (0.102 R)
• M8: 1,615,059 km (0.106 R)
• M9: 2,118,156 km (0.1 R)
• M10: 2,415,557 km (0.071 R)
• M11: 4,334,897 km (0.106 R)
• M12: 4,938,675 km (0.088 R)
• M13: 6,846,347 km (0.079 R)
• M14: 7,536,142 km (0.114 R)
• M15: 7,704,889 km (0.119 R)
• M16: 7,876,328 km (0.036 R)
• M17: 8,771,372 km (0.058 R)
• M18: 11,691,074 km (0.06 R)
• M19: 13,771,980 km (0.052 R)
• M20: 14,344,491 km (0.12 R)
• M21: 17,594,056 km (0.114 R)
• M22: 22,326,136 km (0.119 R)
• M23: 25,122,419 km (0.092 R)
• M24: 25,404,710 km (0.116 R)
• M25: 25,784,539 km (0.099 R)
• M26: 26,071,917 km (0.025 R)
• M27: 27,341,704 km (0.11 R)
• M28: 31,506,658 km (0.097 R)
• M29: 31,725,370 km (0.113 R)
• M30: 33,058,885 km (0.113 R)
• M31: 34,777,615 km (0.052 R)
• M32: 37,527,224 km (0.117 R)
• M33: 38,143,567 km (0.03 R)
• M34: 39,396,599 km (0.077 R)
• M35: 47,065,734 km (0.073 R)
• M36: 47,782,457 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.2

Radius: 3.9

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.12 AU - 8.46 AU

Year: 12213 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,078,302 km

• M1: 48,619 km (0.069 R)
• M2: 218,562 km (0.104 R)
• M3: 367,263 km (0.092 R)
• M4: 618,737 km (0.071 R)
• M5: 1,895,255 km (0.084 R)
• M6: 2,118,605 km (0.111 R)
• M7: 2,915,513 km (0.048 R)
• M8: 3,169,530 km (0.115 R)
• M9: 3,392,431 km (0.113 R)
• M10: 3,673,525 km (0.09 R)
• M11: 4,228,982 km (0.057 R)
• M12: 4,723,702 km (0.113 R)
• M13: 5,441,772 km (0.034 R)
• M14: 6,403,088 km (0.096 R)
• M15: 9,449,499 km (0.063 R)
• M16: 10,195,095 km (0.11 R)
• M17: 10,631,173 km (0.055 R)
• M18: 11,130,231 km (0.091 R)
• M19: 12,832,356 km (0.09 R)
• M20: 13,628,815 km (0.114 R)
• M21: 15,762,978 km (0.087 R)
• M22: 15,891,333 km (0.092 R)
• M23: 16,149,988 km (0.104 R)
• M24: 17,280,648 km (0.102 R)
• M25: 22,090,968 km (0.09 R)
• M26: 22,984,516 km (0.095 R)
• M27: 29,048,915 km (0.1 R)
• M28: 29,727,790 km (0.108 R)
• M29: 32,966,584 km (0.038 R)
• M30: 34,670,653 km (0.07 R)
• M31: 34,996,627 km (0.09 R)
• M32: 39,303,849 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.6

Radius: 7.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.2 AU - 8.66 AU

Year: 12592 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,078,302 km

• M1: 89,609 km (0.049 R)
• M2: 363,972 km (0.064 R)
• M3: 768,035 km (0.04 R)
• M4: 1,215,632 km (0.08 R)
• M5: 4,102,722 km (0.117 R)
• M6: 4,470,583 km (0.068 R)
• M7: 8,333,349 km (0.116 R)
• M8: 9,769,639 km (0.081 R)
• M9: 13,292,818 km (0.059 R)
• M10: 14,693,802 km (0.081 R)
• M11: 29,135,233 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.8

Radius: 5.1

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.35 AU - 8.87 AU

Year: 17439 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,078,302 km

• M1: 63,429 km (0.097 R)
• M2: 255,962 km (0.068 R)
• M3: 676,631 km (0.114 R)
• M4: 958,174 km (0.065 R)
• M5: 1,433,746 km (0.12 R)
• M6: 1,884,036 km (0.095 R)
• M7: 2,858,367 km (0.068 R)
• M8: 3,517,345 km (0.077 R)
• M9: 4,272,366 km (0.106 R)
• M10: 4,749,583 km (0.089 R)
• M11: 5,328,078 km (0.107 R)
• M12: 7,940,805 km (0.071 R)
• M13: 9,131,903 km (0.099 R)
• M14: 10,595,718 km (0.07 R)
• M15: 13,104,923 km (0.09 R)
• M16: 13,289,078 km (0.035 R)
• M17: 13,662,774 km (0.107 R)
• M18: 21,304,233 km (0.052 R)
• M19: 23,581,262 km (0.047 R)
• M20: 26,698,582 km (0.069 R)
• M21: 28,715,461 km (0.106 R)
• M22: 29,444,750 km (0.118 R)
• M23: 31,486,462 km (0.101 R)
• M24: 36,330,591 km (0.042 R)
• M25: 41,121,164 km (0.089 R)
• M26: 42,852,011 km (0.111 R)
• M27: 43,394,154 km (0.104 R)
• M28: 45,048,257 km (0.075 R)
• M29: 47,897,498 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.7

Radius: 3.6

Gravity: 25.67 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.38 AU - 9.82 AU

Year: 18948 Days

Day: 16.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,078,302 km

• M1: 45,927 km (0.116 R)
• M2: 180,415 km (0.081 R)
• M3: 318,195 km (0.11 R)
• M4: 446,400 km (0.115 R)
• M5: 609,761 km (0.118 R)
• M6: 924,066 km (0.095 R)
• M7: 1,243,757 km (0.11 R)
• M8: 1,664,426 km (0.106 R)
• M9: 1,829,582 km (0.108 R)
• M10: 2,602,255 km (0.04 R)
• M11: 3,084,858 km (0.065 R)
• M12: 3,438,208 km (0.113 R)
• M13: 3,790,062 km (0.083 R)
• M14: 3,989,027 km (0.084 R)
• M15: 4,855,797 km (0.102 R)
• M16: 6,068,438 km (0.055 R)
• M17: 7,036,934 km (0.035 R)
• M18: 8,291,911 km (0.067 R)
• M19: 9,223,756 km (0.117 R)
• M20: 10,060,906 km (0.059 R)
• M21: 10,332,575 km (0.028 R)
• M22: 13,585,880 km (0.101 R)
• M23: 14,187,114 km (0.084 R)
• M24: 16,319,333 km (0.066 R)
• M25: 16,922,062 km (0.115 R)
• M26: 18,332,172 km (0.089 R)
• M27: 20,504,483 km (0.061 R)
• M28: 22,379,542 km (0.101 R)
• M29: 25,351,753 km (0.065 R)
• M30: 27,932,166 km (0.088 R)
• M31: 29,672,438 km (0.034 R)
• M32: 37,098,477 km (0.112 R)
• M33: 40,412,818 km (0.091 R)
• M34: 41,931,685 km (0.091 R)
• M35: 47,016,816 km (0.089 R)
• M36: 57,177,503 km (0.065 R)
• M37: 57,694,812 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.1

Radius: 5.8

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.48 AU - 12.46 AU

Year: 21730 Days

Day: 18.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,078,302 km

• M1: 72,106 km (0.055 R)
• M2: 376,837 km (0.052 R)
• M3: 682,914 km (0.104 R)
• M4: 1,007,542 km (0.093 R)
• M5: 1,268,440 km (0.087 R)
• M6: 1,816,118 km (0.065 R)
• M7: 2,354,072 km (0.059 R)
• M8: 2,648,331 km (0.102 R)
• M9: 3,044,017 km (0.106 R)
• M10: 6,123,041 km (0.086 R)
• M11: 8,298,343 km (0.065 R)
• M12: 8,873,248 km (0.092 R)
• M13: 9,088,819 km (0.091 R)
• M14: 9,699,627 km (0.109 R)
• M15: 10,516,132 km (0.093 R)
• M16: 10,757,583 km (0.106 R)
• M17: 11,377,367 km (0.099 R)
• M18: 12,284,977 km (0.08 R)
• M19: 12,824,577 km (0.074 R)
• M20: 13,031,022 km (0.045 R)
• M21: 24,055,338 km (0.093 R)
• M22: 25,762,698 km (0.112 R)
• M23: 26,423,322 km (0.062 R)
• M24: 27,435,202 km (0.102 R)
• M25: 29,655,983 km (0.117 R)
• M26: 30,748,646 km (0.095 R)
• M27: 31,118,601 km (0.113 R)
• M28: 31,367,083 km (0.098 R)
• M29: 33,142,810 km (0.115 R)
• M30: 33,924,010 km (0.082 R)
• M31: 40,620,609 km (0.085 R)
• M32: 44,277,080 km (0.117 R)
• M33: 48,980,587 km (0.086 R)
• M34: 49,485,330 km (0.029 R)
• M35: 51,020,503 km (0.098 R)
• M36: 52,236,285 km (0.075 R)
• M37: 56,921,092 km (0.118 R)
• M38: 59,365,222 km (0.094 R)
• M39: 67,323,081 km (0.113 R)
• M40: 68,155,892 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 15,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit