🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 14.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 8.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,429,828 km

• M1: 185,352 km (0.055 R)
• M2: 660,175 km (0.097 R)
• M3: 1,304,493 km (0.059 R)
• M4: 1,862,344 km (0.051 R)
• M5: 2,547,353 km (0.11 R)
• M6: 3,075,732 km (0.077 R)
• M7: 3,785,275 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 12.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.89 AU - 0.97 AU

Year: 598 Days

Day: 14.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,429,828 km

• M1: 159,771 km (0.117 R)
• M2: 627,114 km (0.096 R)
• M3: 1,194,988 km (0.073 R)
• M4: 1,633,160 km (0.081 R)
• M5: 2,163,933 km (0.055 R)
• M6: 2,740,783 km (0.036 R)
• M7: 3,579,129 km (0.082 R)
• M8: 4,458,615 km (0.116 R)
• M9: 4,964,405 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.82 AU - 1.22 AU

Year: 687 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,429,828 km

• M1: 137,181 km (0.118 R)
• M2: 484,548 km (0.077 R)
• M3: 876,494 km (0.095 R)
• M4: 1,226,104 km (0.112 R)
• M5: 1,717,832 km (0.071 R)
• M6: 2,086,591 km (0.097 R)
• M7: 2,998,989 km (0.11 R)
• M8: 3,847,657 km (0.057 R)
• M9: 4,306,175 km (0.114 R)
• M10: 5,776,871 km (0.054 R)
• M11: 6,537,128 km (0.063 R)
• M12: 6,983,079 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 12

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.29 AU - 2.13 AU

Year: 1491 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,429,828 km

• M1: 149,448 km (0.074 R)
• M2: 553,363 km (0.111 R)
• M3: 1,057,657 km (0.087 R)
• M4: 1,597,705 km (0.119 R)
• M5: 1,991,746 km (0.085 R)
• M6: 3,111,636 km (0.12 R)
• M7: 3,524,077 km (0.088 R)
• M8: 4,060,385 km (0.078 R)
• M9: 4,516,809 km (0.11 R)
• M10: 5,109,814 km (0.118 R)
• M11: 5,866,780 km (0.115 R)
• M12: 7,767,570 km (0.106 R)
• M13: 8,532,614 km (0.108 R)
• M14: 9,630,064 km (0.092 R)
• M15: 10,016,176 km (0.067 R)
• M16: 12,630,548 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.5

Radius: 9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.17 AU - 2.47 AU

Year: 2356 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,429,828 km

• M1: 112,198 km (0.104 R)
• M2: 881,879 km (0.07 R)
• M3: 1,307,336 km (0.1 R)
• M4: 1,655,001 km (0.107 R)
• M5: 7,544,520 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 8.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.5 AU - 2.9 AU

Year: 2959 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,429,828 km

• M1: 100,829 km (0.111 R)
• M2: 476,320 km (0.103 R)
• M3: 1,177,186 km (0.053 R)
• M4: 1,876,556 km (0.069 R)
• M5: 2,134,911 km (0.05 R)
• M6: 3,218,000 km (0.04 R)
• M7: 3,697,611 km (0.111 R)
• M8: 4,464,748 km (0.099 R)
• M9: 5,264,798 km (0.1 R)
• M10: 5,639,092 km (0.108 R)
• M11: 5,981,072 km (0.09 R)
• M12: 6,952,112 km (0.051 R)
• M13: 8,363,568 km (0.098 R)
• M14: 8,776,608 km (0.12 R)
• M15: 11,277,286 km (0.063 R)
• M16: 11,585,906 km (0.074 R)
• M17: 13,299,849 km (0.111 R)
• M18: 14,852,077 km (0.1 R)
• M19: 16,226,881 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.4

Radius: 14.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.36 AU - 5.92 AU

Year: 7771 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,429,828 km

• M1: 181,163 km (0.065 R)
• M2: 1,011,581 km (0.047 R)
• M3: 1,483,412 km (0.09 R)
• M4: 3,765,977 km (0.09 R)
• M5: 4,259,051 km (0.088 R)
• M6: 5,635,352 km (0.033 R)
• M7: 6,178,242 km (0.113 R)
• M8: 6,681,789 km (0.112 R)
• M9: 7,978,503 km (0.088 R)
• M10: 10,454,198 km (0.092 R)
• M11: 12,032,157 km (0.116 R)
• M12: 14,564,101 km (0.082 R)
• M13: 15,265,116 km (0.063 R)
• M14: 15,722,886 km (0.115 R)
• M15: 16,803,730 km (0.115 R)
• M16: 23,652,919 km (0.087 R)
• M17: 26,079,247 km (0.101 R)
• M18: 33,244,985 km (0.076 R)
• M19: 34,349,466 km (0.063 R)
• M20: 35,023,853 km (0.059 R)
• M21: 40,242,276 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.2

Radius: 4.1

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.09 AU - 9.71 AU

Year: 14807 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,429,828 km

• M1: 51,611 km (0.116 R)
• M2: 230,381 km (0.106 R)
• M3: 494,571 km (0.052 R)
• M4: 949,348 km (0.101 R)
• M5: 1,084,285 km (0.119 R)
• M6: 1,355,207 km (0.103 R)
• M7: 1,655,151 km (0.082 R)
• M8: 3,674,872 km (0.091 R)
• M9: 6,042,258 km (0.084 R)
• M10: 6,659,050 km (0.101 R)
• M11: 7,397,016 km (0.114 R)
• M12: 9,265,494 km (0.082 R)
• M13: 12,594,944 km (0.107 R)
• M14: 13,416,535 km (0.048 R)
• M15: 13,840,496 km (0.085 R)
• M16: 19,568,897 km (0.094 R)
• M17: 25,390,648 km (0.074 R)
• M18: 25,852,457 km (0.1 R)
• M19: 26,792,829 km (0.113 R)
• M20: 27,951,165 km (0.069 R)
• M21: 28,941,653 km (0.033 R)
• M22: 30,992,340 km (0.051 R)
• M23: 36,304,860 km (0.098 R)
• M24: 36,773,101 km (0.083 R)
• M25: 37,602,322 km (0.102 R)
• M26: 38,686,608 km (0.102 R)
• M27: 39,420,984 km (0.077 R)
• M28: 40,791,300 km (0.088 R)
• M29: 41,297,390 km (0.082 R)
• M30: 42,064,378 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 3.4

Gravity: 72.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.12 AU - 10.16 AU

Year: 16936 Days

Day: 22.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 76,429,828 km

• M1: 42,336 km (0.103 R)
• M2: 152,739 km (0.096 R)
• M3: 318,195 km (0.083 R)
• M4: 926,460 km (0.071 R)
• M5: 2,357,363 km (0.08 R)
• M6: 3,605,458 km (0.066 R)
• M7: 5,740,220 km (0.117 R)
• M8: 6,024,456 km (0.055 R)
• M9: 7,024,368 km (0.065 R)
• M10: 7,979,550 km (0.074 R)
• M11: 9,181,420 km (0.112 R)
• M12: 9,346,576 km (0.085 R)
• M13: 10,027,096 km (0.091 R)
• M14: 11,046,756 km (0.112 R)
• M15: 12,466,439 km (0.119 R)
• M16: 13,786,641 km (0.05 R)
• M17: 15,273,943 km (0.047 R)
• M18: 17,029,773 km (0.089 R)
• M19: 17,446,852 km (0.055 R)
• M20: 18,915,753 km (0.112 R)
• M21: 19,272,993 km (0.104 R)
• M22: 19,817,230 km (0.089 R)
• M23: 20,093,088 km (0.039 R)
• M24: 23,401,595 km (0.071 R)
• M25: 25,399,774 km (0.072 R)
• M26: 26,384,876 km (0.111 R)
• M27: 29,851,806 km (0.093 R)
• M28: 33,610,453 km (0.094 R)
• M29: 37,813,106 km (0.04 R)
• M30: 39,529,741 km (0.079 R)
• M31: 40,999,391 km (0.12 R)
• M32: 41,747,679 km (0.094 R)
• M33: 51,970,300 km (0.11 R)
• M34: 55,170,348 km (0.074 R)
• M35: 56,449,560 km (0.097 R)
• M36: 56,633,864 km (0.096 R)
• M37: 64,140,237 km (0.115 R)
• M38: 64,542,206 km (0.119 R)
• M39: 66,988,730 km (0.11 R)
• M40: 68,863,640 km (0.081 R)
• M41: 71,849,314 km (0.116 R)
• M42: 72,717,879 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.9

Radius: 6.7

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.61 AU - 12.65 AU

Year: 23112 Days

Day: 21.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,429,828 km

• M1: 83,326 km (0.083 R)
• M2: 378,782 km (0.087 R)
• M3: 667,057 km (0.118 R)
• M4: 1,349,223 km (0.118 R)
• M5: 1,636,750 km (0.116 R)
• M6: 1,850,675 km (0.062 R)
• M7: 2,165,429 km (0.107 R)
• M8: 3,586,310 km (0.067 R)
• M9: 4,206,842 km (0.119 R)
• M10: 6,069,036 km (0.05 R)
• M11: 6,281,315 km (0.119 R)
• M12: 8,111,496 km (0.099 R)
• M13: 8,901,373 km (0.083 R)
• M14: 9,799,409 km (0.106 R)
• M15: 10,942,635 km (0.056 R)
• M16: 11,708,876 km (0.101 R)
• M17: 12,172,031 km (0.096 R)
• M18: 13,276,661 km (0.091 R)
• M19: 16,739,553 km (0.105 R)
• M20: 23,563,460 km (0.066 R)
• M21: 23,877,915 km (0.062 R)
• M22: 31,272,238 km (0.102 R)
• M23: 35,073,969 km (0.037 R)
• M24: 35,897,206 km (0.088 R)
• M25: 37,582,426 km (0.11 R)
• M26: 39,172,801 km (0.113 R)
• M27: 40,656,961 km (0.098 R)
• M28: 42,024,585 km (0.088 R)
• M29: 42,642,125 km (0.101 R)
• M30: 50,531,318 km (0.116 R)
• M31: 51,581,047 km (0.067 R)
• M32: 70,411,230 km (0.037 R)
• M33: 71,939,970 km (0.08 R)
• M34: 73,045,499 km (0.212 R)
• M35: 73,490,852 km (0.209 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 12,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit