🌌 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 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.61 AU - 0.71 AU

Year: 341 Days

Day: 12.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,985,828 km

• M1: 75,996 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.7

Radius: 13.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.7 AU - 0.82 AU

Year: 421 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,985,828 km

• M1: 169,195 km (0.071 R)
• M2: 632,799 km (0.119 R)
• M3: 1,200,972 km (0.081 R)
• M4: 1,628,373 km (0.03 R)
• M5: 2,133,864 km (0.117 R)
• M6: 2,611,530 km (0.112 R)
• M7: 3,035,939 km (0.062 R)
• M8: 3,747,726 km (0.035 R)
• M9: 4,206,991 km (0.119 R)
• M10: 5,421,876 km (0.088 R)
• M11: 5,940,531 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 11.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.17 AU - 4.59 AU

Year: 5828 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,985,828 km

• M1: 138,079 km (0.11 R)
• M2: 861,085 km (0.11 R)
• M3: 1,330,523 km (0.1 R)
• M4: 1,955,693 km (0.108 R)
• M5: 2,459,389 km (0.098 R)
• M6: 2,923,442 km (0.083 R)
• M7: 3,877,427 km (0.112 R)
• M8: 4,776,062 km (0.092 R)
• M9: 5,557,710 km (0.115 R)
• M10: 6,792,641 km (0.113 R)
• M11: 7,474,957 km (0.11 R)
• M12: 8,131,093 km (0.066 R)
• M13: 8,976,321 km (0.061 R)
• M14: 9,637,992 km (0.113 R)
• M15: 10,083,196 km (0.113 R)
• M16: 11,234,650 km (0.106 R)
• M17: 12,519,098 km (0.11 R)
• M18: 14,311,280 km (0.093 R)
• M19: 15,377,913 km (0.101 R)
• M20: 21,587,272 km (0.067 R)
• M21: 24,824,869 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 10

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.28 AU - 6.76 AU

Year: 8246 Days

Day: 9.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,985,828 km

• M1: 124,316 km (0.053 R)
• M2: 517,459 km (0.115 R)
• M3: 955,781 km (0.028 R)
• M4: 1,887,028 km (0.117 R)
• M5: 2,213,749 km (0.074 R)
• M6: 2,656,110 km (0.096 R)
• M7: 3,201,394 km (0.117 R)
• M8: 3,973,469 km (0.084 R)
• M9: 4,630,503 km (0.059 R)
• M10: 6,373,019 km (0.098 R)
• M11: 6,738,486 km (0.115 R)
• M12: 8,128,849 km (0.057 R)
• M13: 8,824,479 km (0.056 R)
• M14: 9,465,356 km (0.052 R)
• M15: 10,585,097 km (0.1 R)
• M16: 11,682,547 km (0.106 R)
• M17: 12,175,472 km (0.09 R)
• M18: 14,164,076 km (0.075 R)
• M19: 15,824,164 km (0.071 R)
• M20: 18,848,434 km (0.097 R)
• M21: 19,527,010 km (0.092 R)
• M22: 20,853,046 km (0.046 R)
• M23: 23,166,427 km (0.106 R)
• M24: 23,510,353 km (0.109 R)
• M25: 23,944,934 km (0.089 R)
• M26: 25,921,571 km (0.054 R)
• M27: 26,949,608 km (0.074 R)
• M28: 28,788,913 km (0.09 R)
• M29: 32,716,157 km (0.074 R)
• M30: 35,486,111 km (0.063 R)
• M31: 43,282,703 km (0.103 R)
• M32: 43,804,800 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551

Radius: 5.9

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.89 AU - 6.95 AU

Year: 11574 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,985,828 km

• M1: 73,453 km (0.063 R)
• M2: 394,190 km (0.081 R)
• M3: 588,817 km (0.098 R)
• M4: 986,448 km (0.062 R)
• M5: 1,621,641 km (0.106 R)
• M6: 2,018,973 km (0.073 R)
• M7: 2,381,897 km (0.11 R)
• M8: 3,097,424 km (0.091 R)
• M9: 3,920,511 km (0.057 R)
• M10: 4,975,176 km (0.064 R)
• M11: 5,365,328 km (0.071 R)
• M12: 6,582,306 km (0.119 R)
• M13: 9,896,946 km (0.059 R)
• M14: 11,767,668 km (0.101 R)
• M15: 12,518,799 km (0.091 R)
• M16: 14,244,560 km (0.105 R)
• M17: 15,707,028 km (0.095 R)
• M18: 17,561,294 km (0.111 R)
• M19: 18,009,040 km (0.113 R)
• M20: 19,083,452 km (0.106 R)
• M21: 20,526,623 km (0.092 R)
• M22: 23,002,318 km (0.108 R)
• M23: 25,102,224 km (0.116 R)
• M24: 27,625,940 km (0.114 R)
• M25: 32,384,947 km (0.07 R)
• M26: 34,432,194 km (0.112 R)
• M27: 35,369,275 km (0.045 R)
• M28: 37,049,708 km (0.106 R)
• M29: 38,282,095 km (0.109 R)
• M30: 40,053,184 km (0.041 R)
• M31: 40,310,493 km (0.07 R)
• M32: 40,828,550 km (0.105 R)
• M33: 41,220,048 km (0.063 R)
• M34: 41,614,088 km (0.115 R)
• M35: 42,542,942 km (0.086 R)
• M36: 43,485,707 km (0.066 R)
• M37: 47,396,196 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.1

Radius: 3.1

Gravity: 76.39 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.49 AU - 8.57 AU

Year: 13138 Days

Day: 20.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,985,828 km

• M1: 38,746 km (0.115 R)
• M2: 196,422 km (0.095 R)
• M3: 317,297 km (0.113 R)
• M4: 622,926 km (0.114 R)
• M5: 1,170,454 km (0.073 R)
• M6: 1,443,171 km (0.032 R)
• M7: 2,151,666 km (0.111 R)
• M8: 2,736,444 km (0.084 R)
• M9: 3,662,455 km (0.082 R)
• M10: 4,488,983 km (0.11 R)
• M11: 4,912,046 km (0.071 R)
• M12: 5,185,361 km (0.102 R)
• M13: 5,325,684 km (0.094 R)
• M14: 5,950,704 km (0.037 R)
• M15: 6,872,077 km (0.088 R)
• M16: 6,998,936 km (0.116 R)
• M17: 7,432,920 km (0.093 R)
• M18: 13,649,609 km (0.11 R)
• M19: 19,271,497 km (0.072 R)
• M20: 21,622,278 km (0.12 R)
• M21: 22,077,654 km (0.031 R)
• M22: 28,158,059 km (0.042 R)
• M23: 29,029,916 km (0.051 R)
• M24: 29,250,722 km (0.056 R)
• M25: 34,642,080 km (0.104 R)
• M26: 34,890,412 km (0.112 R)
• M27: 37,179,260 km (0.074 R)
• M28: 37,832,254 km (0.05 R)
• M29: 37,963,900 km (0.083 R)
• M30: 38,626,021 km (0.083 R)
• M31: 40,796,985 km (0.059 R)
• M32: 41,352,143 km (0.05 R)
• M33: 46,275,857 km (0.071 R)
• M34: 48,411,965 km (0.101 R)
• M35: 50,453,378 km (0.1 R)
• M36: 51,737,825 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.4

Radius: 5.3

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.28 AU - 8.22 AU

Year: 13718 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,985,828 km

• M1: 69,114 km (0.114 R)
• M2: 413,638 km (0.078 R)
• M3: 773,122 km (0.049 R)
• M4: 973,733 km (0.049 R)
• M5: 1,552,527 km (0.054 R)
• M6: 2,132,966 km (0.113 R)
• M7: 2,980,738 km (0.116 R)
• M8: 3,455,262 km (0.03 R)
• M9: 6,266,505 km (0.106 R)
• M10: 6,882,250 km (0.105 R)
• M11: 7,204,783 km (0.07 R)
• M12: 12,723,149 km (0.112 R)
• M13: 13,644,373 km (0.066 R)
• M14: 14,347,782 km (0.028 R)
• M15: 18,306,740 km (0.057 R)
• M16: 18,614,613 km (0.049 R)
• M17: 25,234,917 km (0.077 R)
• M18: 26,098,396 km (0.058 R)
• M19: 27,985,423 km (0.112 R)
• M20: 35,962,281 km (0.118 R)
• M21: 36,566,656 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.8

Radius: 3.5

Gravity: 54.51 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.66 AU - 10.46 AU

Year: 15924 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 68,985,828 km

• M1: 48,619 km (0.108 R)
• M2: 182,509 km (0.084 R)
• M3: 308,770 km (0.07 R)
• M4: 781,200 km (0.082 R)
• M5: 1,168,808 km (0.109 R)
• M6: 2,749,609 km (0.06 R)
• M7: 3,040,128 km (0.058 R)
• M8: 3,739,648 km (0.081 R)
• M9: 4,540,146 km (0.103 R)
• M10: 5,050,574 km (0.111 R)
• M11: 6,184,675 km (0.098 R)
• M12: 6,306,747 km (0.055 R)
• M13: 7,757,098 km (0.071 R)
• M14: 9,415,540 km (0.071 R)
• M15: 10,702,082 km (0.097 R)
• M16: 11,663,248 km (0.08 R)
• M17: 12,164,700 km (0.11 R)
• M18: 12,811,562 km (0.087 R)
• M19: 14,672,260 km (0.096 R)
• M20: 16,084,613 km (0.055 R)
• M21: 17,830,271 km (0.055 R)
• M22: 18,833,624 km (0.085 R)
• M23: 20,860,974 km (0.1 R)
• M24: 21,135,786 km (0.104 R)
• M25: 22,738,128 km (0.104 R)
• M26: 24,016,891 km (0.042 R)
• M27: 24,419,758 km (0.044 R)
• M28: 27,258,078 km (0.112 R)
• M29: 28,362,709 km (0.081 R)
• M30: 32,709,425 km (0.112 R)
• M31: 33,956,173 km (0.104 R)
• M32: 35,234,188 km (0.113 R)
• M33: 35,623,741 km (0.106 R)
• M34: 37,479,652 km (0.045 R)
• M35: 38,982,363 km (0.076 R)
• M36: 43,581,600 km (0.056 R)
• M37: 45,856,535 km (0.112 R)
• M38: 47,732,641 km (0.101 R)
• M39: 48,689,619 km (0.117 R)
• M40: 50,806,728 km (0.113 R)
• M41: 51,804,247 km (0.09 R)
• M42: 57,704,387 km (0.118 R)
• M43: 60,815,574 km (0.107 R)
• M44: 64,810,884 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 7.1

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.32 AU - 12.04 AU

Year: 19149 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,985,828 km

• M1: 102,475 km (0.105 R)
• M2: 414,984 km (0.09 R)
• M3: 690,544 km (0.058 R)
• M4: 1,005,447 km (0.084 R)
• M5: 1,313,320 km (0.108 R)
• M6: 1,700,030 km (0.097 R)
• M7: 2,388,480 km (0.038 R)
• M8: 2,868,539 km (0.037 R)
• M9: 3,411,131 km (0.042 R)
• M10: 3,898,820 km (0.025 R)
• M11: 5,957,286 km (0.115 R)
• M12: 6,324,848 km (0.111 R)
• M13: 7,851,644 km (0.052 R)
• M14: 8,095,190 km (0.092 R)
• M15: 8,804,283 km (0.099 R)
• M16: 11,488,668 km (0.107 R)
• M17: 14,382,788 km (0.083 R)
• M18: 16,429,137 km (0.088 R)
• M19: 18,490,147 km (0.101 R)
• M20: 21,183,507 km (0.11 R)
• M21: 21,656,386 km (0.073 R)
• M22: 24,332,991 km (0.096 R)
• M23: 24,851,797 km (0.106 R)
• M24: 30,094,454 km (0.081 R)
• M25: 30,332,614 km (0.087 R)
• M26: 32,159,054 km (0.111 R)
• M27: 35,895,560 km (0.118 R)
• M28: 39,340,799 km (0.08 R)
• M29: 40,778,435 km (0.103 R)
• M30: 41,363,213 km (0.103 R)
• M31: 47,521,858 km (0.113 R)
• M32: 50,650,249 km (0.065 R)
• M33: 53,214,805 km (0.042 R)
• M34: 54,617,435 km (0.097 R)
• M35: 55,327,875 km (0.068 R)
• M36: 66,333,641 km (0.074 R)
• M37: 67,142,217 km (0.093 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: 298 - 11,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit