🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.2

Radius: 11.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 14 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,133,537 km

• M1: 144,960 km (0.106 R)
• M2: 515,963 km (0.077 R)
• M3: 883,076 km (0.085 R)
• M4: 1,522,607 km (0.093 R)
• M5: 2,059,364 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 9.2

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.23 AU - 1.43 AU

Year: 1040 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,133,537 km

• M1: 114,592 km (0.111 R)
• M2: 536,009 km (0.062 R)
• M3: 924,814 km (0.067 R)
• M4: 1,371,214 km (0.114 R)
• M5: 1,681,330 km (0.062 R)
• M6: 2,165,429 km (0.08 R)
• M7: 2,639,654 km (0.041 R)
• M8: 2,975,352 km (0.055 R)
• M9: 3,368,794 km (0.108 R)
• M10: 3,686,391 km (0.102 R)
• M11: 4,158,222 km (0.047 R)
• M12: 4,724,899 km (0.088 R)
• M13: 6,122,143 km (0.081 R)
• M14: 7,048,453 km (0.097 R)
• M15: 7,880,816 km (0.12 R)
• M16: 8,692,833 km (0.06 R)
• M17: 10,231,298 km (0.106 R)
• M18: 10,836,271 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 14.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.71 AU - 2.03 AU

Year: 1734 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 78.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,133,537 km

• M1: 185,651 km (0.042 R)
• M2: 660,475 km (0.117 R)
• M3: 1,239,119 km (0.047 R)
• M4: 1,943,875 km (0.116 R)
• M5: 2,599,413 km (0.115 R)
• M6: 3,070,496 km (0.086 R)
• M7: 3,616,229 km (0.071 R)
• M8: 4,264,437 km (0.057 R)
• M9: 4,905,015 km (0.074 R)
• M10: 6,583,952 km (0.082 R)
• M11: 7,058,177 km (0.111 R)
• M12: 7,583,415 km (0.085 R)
• M13: 8,435,674 km (0.089 R)
• M14: 8,901,073 km (0.119 R)
• M15: 10,649,573 km (0.079 R)
• M16: 11,833,640 km (0.091 R)
• M17: 12,418,119 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.3

Radius: 14.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.46 AU - 2.48 AU

Year: 2633 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,133,537 km

• M1: 185,651 km (0.077 R)
• M2: 653,892 km (0.054 R)
• M3: 1,652,308 km (0.099 R)
• M4: 2,602,704 km (0.104 R)
• M5: 3,159,806 km (0.081 R)
• M6: 3,993,814 km (0.098 R)
• M7: 5,354,706 km (0.118 R)
• M8: 5,915,399 km (0.106 R)
• M9: 7,125,496 km (0.092 R)
• M10: 8,096,087 km (0.07 R)
• M11: 8,941,914 km (0.111 R)
• M12: 9,697,233 km (0.119 R)
• M13: 10,969,862 km (0.061 R)
• M14: 13,611,910 km (0.084 R)
• M15: 15,206,025 km (0.104 R)
• M16: 16,441,554 km (0.059 R)
• M17: 18,705,419 km (0.085 R)
• M18: 20,063,019 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.3

Radius: 12.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.89 AU - 3.07 AU

Year: 2649 Days

Day: 6.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,133,537 km

• M1: 150,495 km (0.083 R)
• M2: 613,950 km (0.119 R)
• M3: 1,244,056 km (0.111 R)
• M4: 1,959,433 km (0.059 R)
• M5: 2,387,582 km (0.118 R)
• M6: 2,837,124 km (0.076 R)
• M7: 3,252,407 km (0.075 R)
• M8: 4,117,831 km (0.045 R)
• M9: 7,673,473 km (0.106 R)
• M10: 8,810,118 km (0.102 R)
• M11: 10,451,506 km (0.072 R)
• M12: 12,817,546 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.3

Radius: 4.1

Gravity: 57.72 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.08 AU - 6.46 AU

Year: 9401 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,133,537 km

• M1: 51,162 km (0.1 R)
• M2: 239,506 km (0.116 R)
• M3: 549,772 km (0.12 R)
• M4: 746,793 km (0.075 R)
• M5: 1,558,810 km (0.061 R)
• M6: 1,726,210 km (0.085 R)
• M7: 2,438,744 km (0.026 R)
• M8: 2,860,461 km (0.072 R)
• M9: 3,556,091 km (0.078 R)
• M10: 4,816,752 km (0.106 R)
• M11: 5,409,010 km (0.056 R)
• M12: 5,758,321 km (0.091 R)
• M13: 6,272,489 km (0.101 R)
• M14: 7,734,210 km (0.092 R)
• M15: 8,313,453 km (0.105 R)
• M16: 8,543,834 km (0.107 R)
• M17: 9,358,992 km (0.075 R)
• M18: 11,650,084 km (0.101 R)
• M19: 14,486,908 km (0.119 R)
• M20: 15,572,690 km (0.066 R)
• M21: 16,135,327 km (0.119 R)
• M22: 17,450,592 km (0.065 R)
• M23: 19,073,579 km (0.086 R)
• M24: 22,085,283 km (0.094 R)
• M25: 25,495,516 km (0.026 R)
• M26: 25,786,484 km (0.087 R)
• M27: 27,173,705 km (0.079 R)
• M28: 30,204,109 km (0.114 R)
• M29: 31,188,463 km (0.052 R)
• M30: 31,410,018 km (0.089 R)
• M31: 32,307,007 km (0.078 R)
• M32: 33,452,178 km (0.102 R)
• M33: 37,297,891 km (0.076 R)
• M34: 37,924,257 km (0.102 R)
• M35: 40,631,530 km (0.086 R)
• M36: 43,602,992 km (0.076 R)
• M37: 43,880,197 km (0.105 R)
• M38: 45,710,078 km (0.092 R)
• M39: 51,349,469 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721

Radius: 4.9

Gravity: 30.03 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.4 AU - 7.86 AU

Year: 14295 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,133,537 km

• M1: 61,186 km (0.067 R)
• M2: 245,490 km (0.095 R)
• M3: 427,401 km (0.106 R)
• M4: 765,044 km (0.111 R)
• M5: 947,852 km (0.099 R)
• M6: 1,198,279 km (0.112 R)
• M7: 3,588,404 km (0.116 R)
• M8: 5,326,283 km (0.115 R)
• M9: 6,235,838 km (0.098 R)
• M10: 6,560,764 km (0.094 R)
• M11: 8,954,330 km (0.108 R)
• M12: 10,344,842 km (0.113 R)
• M13: 11,628,990 km (0.062 R)
• M14: 12,246,381 km (0.041 R)
• M15: 15,443,287 km (0.109 R)
• M16: 16,802,085 km (0.116 R)
• M17: 17,750,984 km (0.098 R)
• M18: 19,325,651 km (0.049 R)
• M19: 21,444,705 km (0.082 R)
• M20: 22,844,941 km (0.118 R)
• M21: 27,087,986 km (0.102 R)
• M22: 27,517,481 km (0.057 R)
• M23: 30,305,836 km (0.098 R)
• M24: 32,546,662 km (0.093 R)
• M25: 35,660,243 km (0.083 R)
• M26: 37,355,187 km (0.086 R)
• M27: 38,289,725 km (0.096 R)
• M28: 39,103,088 km (0.116 R)
• M29: 43,343,290 km (0.059 R)
• M30: 50,101,224 km (0.104 R)
• M31: 52,556,425 km (0.052 R)
• M32: 54,067,513 km (0.099 R)
• M33: 58,416,173 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.3

Radius: 8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.74 AU - 9.7 AU

Year: 15984 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,133,537 km

• M1: 99,483 km (0.07 R)
• M2: 531,970 km (0.09 R)
• M3: 842,086 km (0.079 R)
• M4: 1,262,008 km (0.083 R)
• M5: 1,732,194 km (0.106 R)
• M6: 2,331,632 km (0.112 R)
• M7: 2,881,255 km (0.058 R)
• M8: 3,792,605 km (0.096 R)
• M9: 4,366,911 km (0.085 R)
• M10: 5,084,383 km (0.056 R)
• M11: 5,974,789 km (0.112 R)
• M12: 9,892,458 km (0.089 R)
• M13: 10,544,107 km (0.117 R)
• M14: 11,273,546 km (0.059 R)
• M15: 11,984,435 km (0.086 R)
• M16: 13,216,673 km (0.055 R)
• M17: 14,180,233 km (0.049 R)
• M18: 19,279,725 km (0.095 R)
• M19: 22,354,111 km (0.102 R)
• M20: 24,464,637 km (0.077 R)
• M21: 25,310,464 km (0.108 R)
• M22: 25,740,707 km (0.113 R)
• M23: 27,150,218 km (0.106 R)
• M24: 27,965,377 km (0.071 R)
• M25: 28,983,540 km (0.063 R)
• M26: 29,359,929 km (0.115 R)
• M27: 30,702,869 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.4

Radius: 3.3

Gravity: 83.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.61 AU - 10.75 AU

Year: 17345 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,133,537 km

• M1: 41,588 km (0.113 R)
• M2: 185,801 km (0.052 R)
• M3: 376,089 km (0.088 R)
• M4: 1,026,690 km (0.118 R)
• M5: 1,637,947 km (0.053 R)
• M6: 2,196,097 km (0.105 R)
• M7: 2,721,185 km (0.088 R)
• M8: 2,896,514 km (0.104 R)
• M9: 3,857,231 km (0.032 R)
• M10: 5,161,725 km (0.098 R)
• M11: 5,954,444 km (0.095 R)
• M12: 6,164,479 km (0.114 R)
• M13: 6,511,098 km (0.068 R)
• M14: 7,926,742 km (0.12 R)
• M15: 8,078,734 km (0.103 R)
• M16: 8,388,551 km (0.117 R)
• M17: 10,415,602 km (0.091 R)
• M18: 11,412,971 km (0.072 R)
• M19: 11,934,619 km (0.097 R)
• M20: 12,067,611 km (0.096 R)
• M21: 13,595,305 km (0.061 R)
• M22: 13,740,265 km (0.066 R)
• M23: 13,959,576 km (0.108 R)
• M24: 17,708,498 km (0.045 R)
• M25: 20,139,015 km (0.087 R)
• M26: 22,579,555 km (0.063 R)
• M27: 25,319,440 km (0.1 R)
• M28: 26,655,349 km (0.097 R)
• M29: 32,083,956 km (0.081 R)
• M30: 36,923,148 km (0.07 R)
• M31: 40,107,638 km (0.115 R)
• M32: 44,898,510 km (0.112 R)
• M33: 48,689,619 km (0.117 R)
• M34: 51,801,404 km (0.116 R)
• M35: 55,966,807 km (0.075 R)
• M36: 56,152,758 km (0.085 R)
• M37: 64,139,040 km (0.115 R)
• M38: 65,987,920 km (0.085 R)
• M39: 67,450,239 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.1

Radius: 6.3

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.34 AU - 11.24 AU

Year: 20776 Days

Day: 16.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,133,537 km

• M1: 91,554 km (0.11 R)
• M2: 495,767 km (0.11 R)
• M3: 1,029,682 km (0.062 R)
• M4: 1,725,462 km (0.116 R)
• M5: 2,719,839 km (0.087 R)
• M6: 4,566,475 km (0.077 R)
• M7: 4,856,994 km (0.043 R)
• M8: 6,498,831 km (0.102 R)
• M9: 7,824,866 km (0.114 R)
• M10: 9,476,277 km (0.039 R)
• M11: 16,243,486 km (0.111 R)
• M12: 17,305,631 km (0.037 R)
• M13: 22,942,329 km (0.057 R)
• M14: 30,931,305 km (0.119 R)
• M15: 36,876,025 km (0.052 R)
• M16: 46,926,309 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 10,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit