🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 14.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,212,230 km

• M1: 176,825 km (0.059 R)
• M2: 641,775 km (0.085 R)
• M3: 1,202,916 km (0.114 R)
• M4: 1,931,309 km (0.104 R)
• M5: 2,402,542 km (0.091 R)
• M6: 2,873,625 km (0.111 R)
• M7: 3,363,559 km (0.078 R)
• M8: 3,981,697 km (0.063 R)
• M9: 4,461,607 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 8.2

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.29 AU - 1.35 AU

Year: 1047 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,212,230 km

• M1: 102,475 km (0.104 R)
• M2: 433,684 km (0.115 R)
• M3: 1,462,170 km (0.096 R)
• M4: 2,002,068 km (0.113 R)
• M5: 2,644,442 km (0.082 R)
• M6: 3,148,886 km (0.089 R)
• M7: 3,490,418 km (0.116 R)
• M8: 5,226,052 km (0.066 R)
• M9: 6,085,342 km (0.084 R)
• M10: 8,081,427 km (0.112 R)
• M11: 9,057,403 km (0.094 R)
• M12: 9,313,365 km (0.11 R)
• M13: 9,632,607 km (0.113 R)
• M14: 9,929,110 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 8.6

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.74 AU - 2.8 AU

Year: 2361 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,212,230 km

• M1: 106,962 km (0.068 R)
• M2: 497,862 km (0.086 R)
• M3: 1,010,384 km (0.091 R)
• M4: 1,368,372 km (0.04 R)
• M5: 1,663,828 km (0.08 R)
• M6: 2,358,410 km (0.063 R)
• M7: 2,915,214 km (0.095 R)
• M8: 3,556,989 km (0.115 R)
• M9: 3,862,318 km (0.044 R)
• M10: 4,185,300 km (0.103 R)
• M11: 4,592,056 km (0.107 R)
• M12: 5,661,681 km (0.1 R)
• M13: 6,268,450 km (0.05 R)
• M14: 6,545,655 km (0.111 R)
• M15: 7,334,933 km (0.094 R)
• M16: 7,674,221 km (0.119 R)
• M17: 10,312,230 km (0.077 R)
• M18: 12,344,966 km (0.095 R)
• M19: 14,776,978 km (0.101 R)
• M20: 15,169,822 km (0.074 R)
• M21: 16,234,511 km (0.078 R)
• M22: 16,864,916 km (0.114 R)
• M23: 17,294,112 km (0.037 R)
• M24: 17,730,489 km (0.083 R)
• M25: 18,007,096 km (0.056 R)
• M26: 18,286,395 km (0.104 R)
• M27: 18,853,969 km (0.082 R)
• M28: 19,433,063 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.4

Radius: 10.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.38 AU - 2.66 AU

Year: 2761 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,212,230 km

• M1: 135,386 km (0.094 R)
• M2: 489,484 km (0.032 R)
• M3: 1,129,763 km (0.098 R)
• M4: 1,492,688 km (0.117 R)
• M5: 2,237,835 km (0.085 R)
• M6: 2,562,312 km (0.12 R)
• M7: 3,335,285 km (0.03 R)
• M8: 4,019,396 km (0.109 R)
• M9: 5,098,295 km (0.087 R)
• M10: 5,491,588 km (0.045 R)
• M11: 5,884,731 km (0.106 R)
• M12: 6,254,687 km (0.118 R)
• M13: 7,132,976 km (0.097 R)
• M14: 7,649,837 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 14.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.54 AU - 3.04 AU

Year: 3217 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,212,230 km

• M1: 179,069 km (0.065 R)
• M2: 785,838 km (0.102 R)
• M3: 1,505,703 km (0.058 R)
• M4: 3,012,303 km (0.105 R)
• M5: 3,547,863 km (0.095 R)
• M6: 4,299,443 km (0.057 R)
• M7: 4,813,162 km (0.038 R)
• M8: 5,385,972 km (0.097 R)
• M9: 6,381,396 km (0.082 R)
• M10: 7,864,360 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 8.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.6 AU - 4.02 AU

Year: 4157 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,212,230 km

• M1: 101,278 km (0.116 R)
• M2: 541,843 km (0.068 R)
• M3: 1,196,185 km (0.093 R)
• M4: 1,508,395 km (0.075 R)
• M5: 1,777,971 km (0.103 R)
• M6: 2,133,565 km (0.109 R)
• M7: 3,456,160 km (0.069 R)
• M8: 4,055,299 km (0.072 R)
• M9: 4,402,067 km (0.093 R)
• M10: 8,166,847 km (0.118 R)
• M11: 9,226,897 km (0.118 R)
• M12: 14,393,260 km (0.104 R)
• M13: 15,357,119 km (0.096 R)
• M14: 16,854,893 km (0.096 R)
• M15: 18,624,187 km (0.091 R)
• M16: 19,220,334 km (0.038 R)
• M17: 21,798,654 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 8.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.81 AU - 6.31 AU

Year: 7857 Days

Day: 10.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,212,230 km

• M1: 103,821 km (0.108 R)
• M2: 404,812 km (0.118 R)
• M3: 921,672 km (0.108 R)
• M4: 2,508,307 km (0.059 R)
• M5: 2,951,865 km (0.12 R)
• M6: 3,703,445 km (0.071 R)
• M7: 6,337,863 km (0.115 R)
• M8: 6,594,125 km (0.053 R)
• M9: 13,505,397 km (0.115 R)
• M10: 27,364,293 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898

Radius: 4.2

Gravity: 50.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.53 AU - 9.43 AU

Year: 15560 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,212,230 km

• M1: 53,406 km (0.068 R)
• M2: 192,981 km (0.114 R)
• M3: 404,213 km (0.088 R)
• M4: 566,228 km (0.061 R)
• M5: 1,138,889 km (0.046 R)
• M6: 1,532,181 km (0.096 R)
• M7: 2,315,775 km (0.098 R)
• M8: 5,083,336 km (0.111 R)
• M9: 6,048,392 km (0.114 R)
• M10: 8,904,065 km (0.104 R)
• M11: 9,225,850 km (0.115 R)
• M12: 10,296,373 km (0.106 R)
• M13: 10,472,599 km (0.102 R)
• M14: 11,259,933 km (0.105 R)
• M15: 12,216,461 km (0.058 R)
• M16: 15,872,932 km (0.06 R)
• M17: 16,828,414 km (0.057 R)
• M18: 17,073,007 km (0.081 R)
• M19: 18,332,321 km (0.1 R)
• M20: 23,887,190 km (0.088 R)
• M21: 25,139,623 km (0.073 R)
• M22: 30,466,803 km (0.118 R)
• M23: 36,499,337 km (0.117 R)
• M24: 37,878,031 km (0.111 R)
• M25: 38,298,401 km (0.119 R)
• M26: 39,005,700 km (0.077 R)
• M27: 40,885,547 km (0.115 R)
• M28: 41,624,411 km (0.069 R)
• M29: 43,740,473 km (0.051 R)
• M30: 44,981,237 km (0.09 R)
• M31: 47,858,304 km (0.086 R)
• M32: 48,021,664 km (0.114 R)
• M33: 48,513,991 km (0.091 R)
• M34: 52,227,309 km (0.078 R)
• M35: 52,400,394 km (0.077 R)
• M36: 54,330,356 km (0.08 R)
• M37: 57,037,779 km (0.117 R)
• M38: 60,785,654 km (0.114 R)
• M39: 62,329,654 km (0.093 R)
• M40: 65,294,833 km (0.091 R)
• M41: 69,183,779 km (0.086 R)
• M42: 69,811,642 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.9

Radius: 8

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.68 AU - 9.8 AU

Year: 17835 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,212,230 km

• M1: 101,128 km (0.086 R)
• M2: 606,470 km (0.026 R)
• M3: 1,226,104 km (0.093 R)
• M4: 1,709,754 km (0.07 R)
• M5: 2,634,269 km (0.034 R)
• M6: 4,563,483 km (0.06 R)
• M7: 4,895,590 km (0.101 R)
• M8: 5,608,574 km (0.085 R)
• M9: 6,348,186 km (0.035 R)
• M10: 7,646,246 km (0.116 R)
• M11: 8,604,570 km (0.098 R)
• M12: 9,112,754 km (0.039 R)
• M13: 9,857,602 km (0.071 R)
• M14: 11,168,379 km (0.089 R)
• M15: 12,527,326 km (0.073 R)
• M16: 14,839,361 km (0.119 R)
• M17: 15,348,442 km (0.091 R)
• M18: 16,171,829 km (0.104 R)
• M19: 18,400,388 km (0.086 R)
• M20: 19,329,391 km (0.066 R)
• M21: 19,588,046 km (0.099 R)
• M22: 20,200,649 km (0.066 R)
• M23: 23,165,081 km (0.104 R)
• M24: 27,916,459 km (0.105 R)
• M25: 42,260,501 km (0.088 R)
• M26: 42,989,043 km (0.101 R)
• M27: 45,987,283 km (0.105 R)
• M28: 53,406,589 km (0.094 R)
• M29: 54,087,110 km (0.103 R)
• M30: 54,945,802 km (0.055 R)
• M31: 57,576,630 km (0.082 R)
• M32: 57,933,571 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411

Radius: 7.1

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.74 AU - 12.02 AU

Year: 21436 Days

Day: 21.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,212,230 km

• M1: 96,191 km (0.1 R)
• M2: 473,328 km (0.104 R)
• M3: 863,180 km (0.076 R)
• M4: 1,149,809 km (0.046 R)
• M5: 1,577,659 km (0.098 R)
• M6: 2,107,385 km (0.06 R)
• M7: 2,820,817 km (0.103 R)
• M8: 3,220,094 km (0.072 R)
• M9: 3,742,490 km (0.11 R)
• M10: 4,352,101 km (0.108 R)
• M11: 5,845,238 km (0.062 R)
• M12: 6,621,800 km (0.117 R)
• M13: 12,259,246 km (0.09 R)
• M14: 13,117,340 km (0.07 R)
• M15: 15,174,759 km (0.117 R)
• M16: 17,032,765 km (0.052 R)
• M17: 20,186,437 km (0.058 R)
• M18: 21,194,278 km (0.109 R)
• M19: 23,708,869 km (0.099 R)
• M20: 26,200,721 km (0.113 R)
• M21: 26,740,919 km (0.066 R)
• M22: 27,620,704 km (0.115 R)
• M23: 28,747,325 km (0.054 R)
• M24: 31,942,137 km (0.112 R)
• M25: 32,807,411 km (0.116 R)
• M26: 35,234,786 km (0.113 R)
• M27: 36,291,845 km (0.119 R)
• M28: 43,833,971 km (0.06 R)
• M29: 45,675,671 km (0.102 R)
• M30: 57,457,101 km (0.067 R)
• M31: 58,368,751 km (0.116 R)
• M32: 65,021,368 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 13,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit