🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.7

Radius: 9.1

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,456,313 km

• M1: 113,246 km (0.076 R)
• M2: 398,379 km (0.096 R)
• M3: 1,022,053 km (0.096 R)
• M4: 1,536,221 km (0.062 R)
• M5: 2,312,334 km (0.104 R)
• M6: 2,887,239 km (0.1 R)
• M7: 3,329,151 km (0.105 R)
• M8: 4,265,933 km (0.106 R)
• M9: 4,931,045 km (0.082 R)
• M10: 5,288,734 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.1

Radius: 14.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.98 AU - 2.4 AU

Year: 2237 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,456,313 km

• M1: 183,407 km (0.118 R)
• M2: 680,222 km (0.042 R)
• M3: 1,140,534 km (0.063 R)
• M4: 2,317,121 km (0.12 R)
• M5: 3,173,719 km (0.063 R)
• M6: 3,685,044 km (0.106 R)
• M7: 4,584,726 km (0.115 R)
• M8: 5,304,740 km (0.114 R)
• M9: 6,030,290 km (0.083 R)
• M10: 6,921,594 km (0.116 R)
• M11: 8,349,805 km (0.107 R)
• M12: 9,709,949 km (0.083 R)
• M13: 10,832,382 km (0.119 R)
• M14: 11,389,634 km (0.066 R)
• M15: 12,944,405 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 9.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.65 AU - 3.67 AU

Year: 4833 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,456,313 km

• M1: 119,977 km (0.081 R)
• M2: 555,008 km (0.069 R)
• M3: 2,019,272 km (0.118 R)
• M4: 2,341,506 km (0.083 R)
• M5: 3,118,667 km (0.109 R)
• M6: 4,399,075 km (0.049 R)
• M7: 5,079,745 km (0.092 R)
• M8: 5,598,700 km (0.112 R)
• M9: 6,557,473 km (0.089 R)
• M10: 7,420,354 km (0.113 R)
• M11: 8,741,752 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 9.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.06 AU - 4.16 AU

Year: 5751 Days

Day: 8.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,456,313 km

• M1: 113,096 km (0.102 R)
• M2: 442,211 km (0.038 R)
• M3: 1,628,522 km (0.107 R)
• M4: 1,914,404 km (0.069 R)
• M5: 2,710,564 km (0.098 R)
• M6: 3,077,527 km (0.103 R)
• M7: 4,682,713 km (0.07 R)
• M8: 5,963,121 km (0.084 R)
• M9: 6,815,679 km (0.087 R)
• M10: 8,605,767 km (0.113 R)
• M11: 11,235,398 km (0.096 R)
• M12: 14,799,568 km (0.035 R)
• M13: 15,420,848 km (0.084 R)
• M14: 15,825,061 km (0.098 R)
• M15: 18,530,688 km (0.086 R)
• M16: 23,828,547 km (0.069 R)
• M17: 25,395,136 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 11.6

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.46 AU - 4.72 AU

Year: 6788 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,456,313 km

• M1: 144,212 km (0.116 R)
• M2: 604,675 km (0.068 R)
• M3: 1,178,682 km (0.102 R)
• M4: 1,590,824 km (0.097 R)
• M5: 2,068,041 km (0.11 R)
• M6: 2,697,100 km (0.095 R)
• M7: 3,337,828 km (0.095 R)
• M8: 4,154,782 km (0.108 R)
• M9: 4,808,375 km (0.074 R)
• M10: 5,498,021 km (0.082 R)
• M11: 6,530,545 km (0.09 R)
• M12: 7,224,530 km (0.08 R)
• M13: 7,727,328 km (0.076 R)
• M14: 8,589,012 km (0.101 R)
• M15: 9,976,383 km (0.093 R)
• M16: 11,980,695 km (0.104 R)
• M17: 13,021,298 km (0.103 R)
• M18: 13,650,806 km (0.107 R)
• M19: 16,047,214 km (0.106 R)
• M20: 17,039,497 km (0.066 R)
• M21: 17,585,230 km (0.112 R)
• M22: 18,283,702 km (0.091 R)
• M23: 18,711,552 km (0.064 R)
• M24: 20,797,694 km (0.059 R)
• M25: 24,296,489 km (0.094 R)
• M26: 25,515,413 km (0.054 R)
• M27: 28,169,578 km (0.097 R)
• M28: 33,806,276 km (0.118 R)
• M29: 37,228,926 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.6

Radius: 14.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.31 AU - 5.51 AU

Year: 8686 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,456,313 km

• M1: 203,752 km (0.047 R)
• M2: 728,392 km (0.077 R)
• M3: 1,906,625 km (0.077 R)
• M4: 2,540,471 km (0.102 R)
• M5: 3,185,088 km (0.099 R)
• M6: 3,768,520 km (0.12 R)
• M7: 4,239,604 km (0.052 R)
• M8: 5,006,592 km (0.112 R)
• M9: 5,832,223 km (0.061 R)
• M10: 7,523,576 km (0.093 R)
• M11: 8,441,509 km (0.06 R)
• M12: 11,751,362 km (0.118 R)
• M13: 12,225,138 km (0.073 R)
• M14: 13,043,289 km (0.111 R)
• M15: 17,968,948 km (0.114 R)
• M16: 18,741,023 km (0.116 R)
• M17: 21,190,688 km (0.073 R)
• M18: 24,098,871 km (0.08 R)
• M19: 30,696,735 km (0.075 R)
• M20: 31,496,934 km (0.109 R)
• M21: 32,208,571 km (0.083 R)
• M22: 36,482,582 km (0.082 R)
• M23: 37,042,078 km (0.054 R)
• M24: 38,871,212 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.7

Radius: 4.1

Gravity: 51.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.66 AU - 5.68 AU

Year: 9319 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,456,313 km

• M1: 51,013 km (0.116 R)
• M2: 235,467 km (0.056 R)
• M3: 424,110 km (0.11 R)
• M4: 593,006 km (0.067 R)
• M5: 1,335,909 km (0.07 R)
• M6: 1,498,671 km (0.094 R)
• M7: 1,674,449 km (0.086 R)
• M8: 1,847,683 km (0.086 R)
• M9: 2,401,345 km (0.104 R)
• M10: 2,705,777 km (0.044 R)
• M11: 2,834,580 km (0.103 R)
• M12: 4,446,498 km (0.115 R)
• M13: 4,718,018 km (0.11 R)
• M14: 7,385,497 km (0.112 R)
• M15: 10,487,409 km (0.064 R)
• M16: 14,621,247 km (0.107 R)
• M17: 16,045,568 km (0.052 R)
• M18: 16,326,962 km (0.079 R)
• M19: 21,886,019 km (0.11 R)
• M20: 23,835,130 km (0.093 R)
• M21: 24,757,999 km (0.061 R)
• M22: 27,368,631 km (0.078 R)
• M23: 30,477,873 km (0.043 R)
• M24: 33,242,442 km (0.063 R)
• M25: 35,451,853 km (0.115 R)
• M26: 43,611,968 km (0.045 R)
• M27: 44,990,363 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.7

Radius: 6.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.65 AU - 7.69 AU

Year: 10579 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 57 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,456,313 km

• M1: 80,783 km (0.116 R)
• M2: 326,572 km (0.073 R)
• M3: 647,759 km (0.087 R)
• M4: 849,866 km (0.074 R)
• M5: 1,212,491 km (0.118 R)
• M6: 2,586,846 km (0.066 R)
• M7: 3,282,476 km (0.106 R)
• M8: 3,819,383 km (0.109 R)
• M9: 4,226,289 km (0.081 R)
• M10: 5,036,960 km (0.113 R)
• M11: 6,671,018 km (0.068 R)
• M12: 9,151,351 km (0.12 R)
• M13: 9,419,879 km (0.084 R)
• M14: 9,832,619 km (0.094 R)
• M15: 10,067,039 km (0.113 R)
• M16: 11,709,474 km (0.111 R)
• M17: 12,731,976 km (0.088 R)
• M18: 14,166,470 km (0.112 R)
• M19: 15,077,072 km (0.115 R)
• M20: 15,451,964 km (0.1 R)
• M21: 17,557,554 km (0.117 R)
• M22: 19,996,598 km (0.044 R)
• M23: 22,087,527 km (0.117 R)
• M24: 24,576,985 km (0.065 R)
• M25: 25,978,269 km (0.114 R)
• M26: 27,339,460 km (0.112 R)
• M27: 29,035,002 km (0.119 R)
• M28: 30,500,463 km (0.041 R)
• M29: 32,946,687 km (0.104 R)
• M30: 34,756,522 km (0.114 R)
• M31: 37,880,275 km (0.108 R)
• M32: 38,457,125 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.9

Radius: 3

Gravity: 36.99 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.27 AU - 10.87 AU

Year: 18855 Days

Day: 17.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,456,313 km

• M1: 83,476 km (0.101 R)
• M2: 231,278 km (0.074 R)
• M3: 831,914 km (0.103 R)
• M4: 1,636,302 km (0.12 R)
• M5: 2,256,833 km (0.105 R)
• M6: 6,676,254 km (0.044 R)
• M7: 7,136,267 km (0.096 R)
• M8: 8,546,227 km (0.1 R)
• M9: 10,077,511 km (0.066 R)
• M10: 11,722,639 km (0.114 R)
• M11: 12,828,915 km (0.087 R)
• M12: 14,273,282 km (0.088 R)
• M13: 15,460,940 km (0.056 R)
• M14: 19,500,082 km (0.103 R)
• M15: 23,518,431 km (0.118 R)
• M16: 23,708,869 km (0.102 R)
• M17: 24,578,332 km (0.064 R)
• M18: 26,074,310 km (0.085 R)
• M19: 26,380,687 km (0.062 R)
• M20: 27,000,471 km (0.108 R)
• M21: 27,629,979 km (0.066 R)
• M22: 29,136,579 km (0.101 R)
• M23: 35,837,217 km (0.086 R)
• M24: 42,500,456 km (0.081 R)
• M25: 51,209,296 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.5

Radius: 6

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.04 AU - 11.16 AU

Year: 23822 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,456,313 km

• M1: 100,530 km (0.066 R)
• M2: 305,479 km (0.077 R)
• M3: 523,742 km (0.046 R)
• M4: 928,105 km (0.106 R)
• M5: 1,199,326 km (0.09 R)
• M6: 2,104,692 km (0.042 R)
• M7: 2,411,966 km (0.055 R)
• M8: 3,428,185 km (0.048 R)
• M9: 4,080,581 km (0.094 R)
• M10: 4,923,864 km (0.104 R)
• M11: 5,628,769 km (0.115 R)
• M12: 5,835,963 km (0.067 R)
• M13: 6,809,097 km (0.045 R)
• M14: 7,092,285 km (0.029 R)
• M15: 7,285,416 km (0.092 R)
• M16: 7,783,577 km (0.103 R)
• M17: 8,093,394 km (0.109 R)
• M18: 10,874,568 km (0.072 R)
• M19: 11,327,252 km (0.107 R)
• M20: 12,689,789 km (0.099 R)
• M21: 13,855,755 km (0.106 R)
• M22: 17,515,517 km (0.116 R)
• M23: 17,958,177 km (0.044 R)
• M24: 18,408,317 km (0.07 R)
• M25: 18,865,787 km (0.104 R)
• M26: 20,575,990 km (0.083 R)
• M27: 22,803,203 km (0.057 R)
• M28: 29,187,741 km (0.114 R)
• M29: 33,322,477 km (0.085 R)
• M30: 37,392,287 km (0.104 R)
• M31: 41,938,417 km (0.103 R)
• M32: 45,000,535 km (0.056 R)
• M33: 51,384,924 km (0.079 R)
• M34: 56,407,074 km (0.11 R)
• M35: 58,151,086 km (0.065 R)
• M36: 58,543,631 km (0.118 R)
• M37: 61,746,671 km (0.066 R)
• M38: 62,155,073 km (0.027 R)
• M39: 62,565,270 km (0.046 R)
• M40: 70,483,785 km (0.113 R)
• M41: 74,566,759 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 19,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit