🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

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: 848.1

Radius: 9.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.55 AU - 0.61 AU

Year: 305 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,309,112 km

• M1: 123,418 km (0.052 R)
• M2: 476,170 km (0.096 R)
• M3: 782,546 km (0.079 R)
• M4: 1,117,346 km (0.098 R)
• M5: 1,454,690 km (0.054 R)
• M6: 1,780,663 km (0.113 R)
• M7: 2,528,653 km (0.097 R)
• M8: 2,903,695 km (0.089 R)
• M9: 3,913,480 km (0.107 R)
• M10: 4,297,498 km (0.108 R)
• M11: 4,720,860 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.6

Radius: 12

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,309,112 km

• M1: 149,299 km (0.109 R)
• M2: 561,291 km (0.033 R)
• M3: 985,102 km (0.059 R)
• M4: 1,594,713 km (0.084 R)
• M5: 2,238,134 km (0.074 R)
• M6: 2,787,457 km (0.065 R)
• M7: 3,209,174 km (0.113 R)
• M8: 3,620,867 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.6

Radius: 8.4

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,309,112 km

• M1: 104,419 km (0.052 R)
• M2: 411,993 km (0.105 R)
• M3: 705,952 km (0.099 R)
• M4: 993,479 km (0.105 R)
• M5: 1,289,384 km (0.056 R)
• M6: 1,556,715 km (0.046 R)
• M7: 3,056,434 km (0.088 R)
• M8: 3,706,586 km (0.084 R)
• M9: 4,019,396 km (0.063 R)
• M10: 4,390,847 km (0.093 R)
• M11: 4,784,888 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.4

Radius: 10.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.68 AU - 2.24 AU

Year: 1894 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,309,112 km

• M1: 146,905 km (0.042 R)
• M2: 801,845 km (0.097 R)
• M3: 1,694,495 km (0.071 R)
• M4: 2,111,574 km (0.082 R)
• M5: 2,970,415 km (0.117 R)
• M6: 3,843,618 km (0.108 R)
• M7: 4,515,462 km (0.096 R)
• M8: 6,636,012 km (0.077 R)
• M9: 7,262,378 km (0.041 R)
• M10: 7,818,583 km (0.108 R)
• M11: 8,261,243 km (0.101 R)
• M12: 8,986,494 km (0.117 R)
• M13: 9,690,651 km (0.103 R)
• M14: 10,234,439 km (0.084 R)
• M15: 10,832,232 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 14.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.64 AU - 4.2 AU

Year: 4366 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,309,112 km

• M1: 178,769 km (0.102 R)
• M2: 820,544 km (0.118 R)
• M3: 1,290,282 km (0.057 R)
• M4: 1,760,318 km (0.045 R)
• M5: 2,497,836 km (0.099 R)
• M6: 3,263,777 km (0.086 R)
• M7: 4,204,598 km (0.087 R)
• M8: 5,531,980 km (0.106 R)
• M9: 6,561,961 km (0.119 R)
• M10: 7,481,689 km (0.09 R)
• M11: 9,855,209 km (0.116 R)
• M12: 10,301,908 km (0.089 R)
• M13: 11,544,617 km (0.063 R)
• M14: 13,469,194 km (0.102 R)
• M15: 14,638,301 km (0.08 R)
• M16: 16,432,728 km (0.1 R)
• M17: 19,235,743 km (0.076 R)
• M18: 20,258,693 km (0.097 R)
• M19: 20,916,325 km (0.106 R)
• M20: 22,205,111 km (0.094 R)
• M21: 23,188,119 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 11

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.25 AU - 4.23 AU

Year: 4993 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,309,112 km

• M1: 140,622 km (0.075 R)
• M2: 555,457 km (0.075 R)
• M3: 1,023,100 km (0.078 R)
• M4: 1,750,893 km (0.032 R)
• M5: 2,252,346 km (0.102 R)
• M6: 2,711,162 km (0.11 R)
• M7: 3,100,117 km (0.099 R)
• M8: 3,546,966 km (0.093 R)
• M9: 5,696,238 km (0.106 R)
• M10: 6,100,003 km (0.085 R)
• M11: 6,773,343 km (0.101 R)
• M12: 7,360,514 km (0.114 R)
• M13: 8,052,405 km (0.106 R)
• M14: 8,901,223 km (0.074 R)
• M15: 9,367,071 km (0.112 R)
• M16: 11,441,096 km (0.11 R)
• M17: 12,039,188 km (0.065 R)
• M18: 13,148,306 km (0.112 R)
• M19: 14,167,068 km (0.108 R)
• M20: 14,535,827 km (0.079 R)
• M21: 21,002,195 km (0.09 R)
• M22: 23,843,806 km (0.088 R)
• M23: 25,588,865 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 12.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.47 AU - 5.71 AU

Year: 7927 Days

Day: 7.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,309,112 km

• M1: 179,069 km (0.107 R)
• M2: 572,960 km (0.044 R)
• M3: 1,229,994 km (0.047 R)
• M4: 1,755,381 km (0.107 R)
• M5: 2,575,627 km (0.065 R)
• M6: 3,358,622 km (0.099 R)
• M7: 3,956,265 km (0.081 R)
• M8: 4,652,195 km (0.028 R)
• M9: 6,571,535 km (0.114 R)
• M10: 7,277,039 km (0.115 R)
• M11: 8,365,663 km (0.115 R)
• M12: 8,971,534 km (0.059 R)
• M13: 9,652,803 km (0.09 R)
• M14: 10,174,151 km (0.102 R)
• M15: 10,864,845 km (0.097 R)
• M16: 12,617,084 km (0.102 R)
• M17: 13,240,908 km (0.095 R)
• M18: 13,707,503 km (0.093 R)
• M19: 17,775,369 km (0.075 R)
• M20: 22,256,423 km (0.102 R)
• M21: 25,065,572 km (0.09 R)
• M22: 27,251,646 km (0.084 R)
• M23: 28,103,306 km (0.043 R)
• M24: 35,232,393 km (0.11 R)
• M25: 38,913,847 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.7

Radius: 6.2

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.55 AU - 7.75 AU

Year: 13197 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,309,112 km

• M1: 77,193 km (0.098 R)
• M2: 271,371 km (0.109 R)
• M3: 832,363 km (0.086 R)
• M4: 1,210,097 km (0.032 R)
• M5: 1,536,819 km (0.096 R)
• M6: 1,939,088 km (0.083 R)
• M7: 2,264,762 km (0.044 R)
• M8: 2,581,910 km (0.087 R)
• M9: 2,928,229 km (0.095 R)
• M10: 3,175,963 km (0.12 R)
• M11: 4,248,131 km (0.11 R)
• M12: 4,764,842 km (0.062 R)
• M13: 5,432,048 km (0.094 R)
• M14: 7,302,470 km (0.075 R)
• M15: 8,481,002 km (0.118 R)
• M16: 10,336,614 km (0.098 R)
• M17: 11,571,096 km (0.074 R)
• M18: 12,192,376 km (0.093 R)
• M19: 13,366,121 km (0.073 R)
• M20: 14,828,440 km (0.096 R)
• M21: 18,565,545 km (0.106 R)
• M22: 20,560,432 km (0.09 R)
• M23: 24,362,312 km (0.099 R)
• M24: 25,072,603 km (0.044 R)
• M25: 27,394,661 km (0.091 R)
• M26: 33,074,144 km (0.078 R)
• M27: 33,569,613 km (0.051 R)
• M28: 34,702,816 km (0.104 R)
• M29: 37,579,584 km (0.111 R)
• M30: 38,527,286 km (0.028 R)
• M31: 46,844,928 km (0.061 R)
• M32: 47,942,228 km (0.065 R)
• M33: 48,576,822 km (0.098 R)
• M34: 53,177,405 km (0.11 R)
• M35: 54,028,318 km (0.103 R)
• M36: 59,325,579 km (0.088 R)
• M37: 60,979,682 km (0.111 R)
• M38: 61,351,433 km (0.054 R)
• M39: 62,475,811 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.6

Radius: 5.3

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.5 AU - 8.02 AU

Year: 14921 Days

Day: 16.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,309,112 km

• M1: 70,012 km (0.032 R)
• M2: 310,416 km (0.095 R)
• M3: 988,543 km (0.029 R)
• M4: 1,306,887 km (0.032 R)
• M5: 1,584,690 km (0.071 R)
• M6: 1,901,389 km (0.103 R)
• M7: 3,899,717 km (0.047 R)
• M8: 5,010,481 km (0.076 R)
• M9: 5,175,338 km (0.092 R)
• M10: 5,980,624 km (0.071 R)
• M11: 7,489,318 km (0.077 R)
• M12: 7,705,188 km (0.109 R)
• M13: 8,104,016 km (0.049 R)
• M14: 8,331,554 km (0.104 R)
• M15: 8,991,281 km (0.058 R)
• M16: 10,097,258 km (0.047 R)
• M17: 10,791,990 km (0.061 R)
• M18: 12,455,519 km (0.093 R)
• M19: 14,952,307 km (0.119 R)
• M20: 16,864,018 km (0.086 R)
• M21: 18,303,150 km (0.107 R)
• M22: 19,253,096 km (0.117 R)
• M23: 19,658,507 km (0.091 R)
• M24: 19,986,874 km (0.089 R)
• M25: 24,784,926 km (0.088 R)
• M26: 31,849,686 km (0.107 R)
• M27: 32,416,512 km (0.117 R)
• M28: 33,105,560 km (0.084 R)
• M29: 34,394,196 km (0.111 R)
• M30: 35,837,816 km (0.118 R)
• M31: 37,824,625 km (0.079 R)
• M32: 40,807,756 km (0.102 R)
• M33: 41,745,735 km (0.105 R)
• M34: 42,288,326 km (0.109 R)
• M35: 49,018,734 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.7

Radius: 5.9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.02 AU - 11.5 AU

Year: 21047 Days

Day: 20.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,309,112 km

• M1: 73,453 km (0.057 R)
• M2: 379,979 km (0.092 R)
• M3: 841,039 km (0.101 R)
• M4: 1,084,734 km (0.032 R)
• M5: 1,416,692 km (0.115 R)
• M6: 1,748,650 km (0.115 R)
• M7: 2,003,863 km (0.055 R)
• M8: 4,006,231 km (0.068 R)
• M9: 8,351,152 km (0.057 R)
• M10: 11,800,130 km (0.088 R)
• M11: 14,336,862 km (0.112 R)
• M12: 16,462,348 km (0.118 R)
• M13: 21,860,288 km (0.079 R)
• M14: 25,547,277 km (0.104 R)
• M15: 27,069,286 km (0.092 R)
• M16: 29,959,367 km (0.06 R)
• M17: 38,135,788 km (0.11 R)
• M18: 39,717,786 km (0.12 R)
• M19: 39,985,716 km (0.086 R)
• M20: 45,161,204 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 16,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit