🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 14.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.7 AU - 0.7 AU

Year: 404 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,777,365 km

• M1: 180,265 km (0.113 R)
• M2: 672,143 km (0.111 R)
• M3: 1,877,004 km (0.086 R)
• M4: 2,424,832 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 11

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.05 AU - 1.07 AU

Year: 753 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,777,365 km

• M1: 136,732 km (0.084 R)
• M2: 581,786 km (0.102 R)
• M3: 930,648 km (0.04 R)
• M4: 1,321,847 km (0.117 R)
• M5: 1,897,499 km (0.051 R)
• M6: 2,286,753 km (0.1 R)
• M7: 2,697,698 km (0.052 R)
• M8: 3,489,071 km (0.116 R)
• M9: 4,222,699 km (0.062 R)
• M10: 4,704,105 km (0.087 R)
• M11: 5,205,108 km (0.108 R)
• M12: 5,652,556 km (0.088 R)
• M13: 6,724,125 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 12.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.37 AU - 1.61 AU

Year: 1255 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 140.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,777,365 km

• M1: 160,519 km (0.107 R)
• M2: 904,020 km (0.081 R)
• M3: 1,523,654 km (0.09 R)
• M4: 2,247,110 km (0.082 R)
• M5: 2,995,548 km (0.062 R)
• M6: 3,888,348 km (0.1 R)
• M7: 5,613,511 km (0.114 R)
• M8: 6,021,314 km (0.084 R)
• M9: 7,987,928 km (0.102 R)
• M10: 10,802,911 km (0.086 R)
• M11: 11,504,824 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 8.4

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.27 AU - 1.91 AU

Year: 1384 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,777,365 km

• M1: 104,419 km (0.11 R)
• M2: 447,298 km (0.106 R)
• M3: 940,971 km (0.092 R)
• M4: 1,220,719 km (0.095 R)
• M5: 1,795,474 km (0.074 R)
• M6: 2,442,634 km (0.053 R)
• M7: 2,728,815 km (0.059 R)
• M8: 3,709,728 km (0.108 R)
• M9: 5,554,868 km (0.113 R)
• M10: 6,120,647 km (0.115 R)
• M11: 6,772,146 km (0.062 R)
• M12: 8,434,328 km (0.119 R)
• M13: 9,063,836 km (0.109 R)
• M14: 9,693,643 km (0.081 R)
• M15: 10,480,976 km (0.099 R)
• M16: 11,723,536 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 10.2

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.98 AU - 5.54 AU

Year: 7168 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,777,365 km

• M1: 152,440 km (0.12 R)
• M2: 602,879 km (0.096 R)
• M3: 1,266,496 km (0.084 R)
• M4: 1,596,808 km (0.089 R)
• M5: 1,969,905 km (0.099 R)
• M6: 2,473,152 km (0.103 R)
• M7: 2,815,133 km (0.107 R)
• M8: 3,254,202 km (0.12 R)
• M9: 3,595,435 km (0.098 R)
• M10: 4,881,678 km (0.075 R)
• M11: 7,068,350 km (0.101 R)
• M12: 9,653,999 km (0.049 R)
• M13: 11,006,215 km (0.098 R)
• M14: 11,622,857 km (0.107 R)
• M15: 12,262,388 km (0.039 R)
• M16: 12,757,258 km (0.119 R)
• M17: 18,251,838 km (0.117 R)
• M18: 20,386,450 km (0.101 R)
• M19: 21,632,750 km (0.094 R)
• M20: 23,012,042 km (0.115 R)
• M21: 26,215,082 km (0.081 R)
• M22: 32,125,395 km (0.069 R)
• M23: 32,855,732 km (0.112 R)
• M24: 34,025,736 km (0.11 R)
• M25: 35,665,778 km (0.059 R)
• M26: 38,515,169 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.7

Radius: 11.1

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.15 AU - 6.67 AU

Year: 8686 Days

Day: 13.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,777,365 km

• M1: 144,063 km (0.07 R)
• M2: 680,970 km (0.063 R)
• M3: 1,143,676 km (0.115 R)
• M4: 1,597,256 km (0.101 R)
• M5: 2,019,122 km (0.025 R)
• M6: 2,573,083 km (0.093 R)
• M7: 3,069,748 km (0.093 R)
• M8: 3,960,903 km (0.105 R)
• M9: 8,269,172 km (0.109 R)
• M10: 9,308,877 km (0.102 R)
• M11: 12,316,093 km (0.071 R)
• M12: 12,776,257 km (0.073 R)
• M13: 13,731,289 km (0.105 R)
• M14: 14,101,394 km (0.117 R)
• M15: 15,582,413 km (0.095 R)
• M16: 16,121,115 km (0.061 R)
• M17: 17,958,177 km (0.106 R)
• M18: 22,981,524 km (0.061 R)
• M19: 25,302,984 km (0.092 R)
• M20: 27,385,835 km (0.047 R)
• M21: 30,616,102 km (0.091 R)
• M22: 31,675,404 km (0.114 R)
• M23: 32,431,472 km (0.106 R)
• M24: 32,868,747 km (0.095 R)
• M25: 33,643,664 km (0.094 R)
• M26: 36,393,123 km (0.096 R)
• M27: 37,943,256 km (0.11 R)
• M28: 39,042,052 km (0.093 R)
• M29: 45,808,962 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.5

Radius: 5.9

Gravity: 18.69 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.07 AU - 6.91 AU

Year: 10119 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,777,365 km

• M1: 78,688 km (0.068 R)
• M2: 278,701 km (0.107 R)
• M3: 544,536 km (0.038 R)
• M4: 868,864 km (0.119 R)
• M5: 1,253,929 km (0.083 R)
• M6: 1,513,482 km (0.055 R)
• M7: 1,953,449 km (0.056 R)
• M8: 2,285,556 km (0.058 R)
• M9: 2,654,614 km (0.082 R)
• M10: 3,062,568 km (0.105 R)
• M11: 3,636,724 km (0.079 R)
• M12: 4,964,705 km (0.074 R)
• M13: 6,000,221 km (0.082 R)
• M14: 6,289,244 km (0.11 R)
• M15: 6,701,835 km (0.086 R)
• M16: 6,895,265 km (0.11 R)
• M17: 8,135,431 km (0.117 R)
• M18: 8,400,220 km (0.038 R)
• M19: 8,993,674 km (0.114 R)
• M20: 9,468,947 km (0.047 R)
• M21: 11,985,931 km (0.095 R)
• M22: 14,017,171 km (0.114 R)
• M23: 14,655,655 km (0.103 R)
• M24: 15,313,436 km (0.059 R)
• M25: 16,617,032 km (0.117 R)
• M26: 17,993,033 km (0.11 R)
• M27: 18,292,080 km (0.102 R)
• M28: 19,443,235 km (0.114 R)
• M29: 20,237,002 km (0.076 R)
• M30: 20,723,494 km (0.114 R)
• M31: 27,086,789 km (0.037 R)
• M32: 29,501,448 km (0.087 R)
• M33: 29,708,940 km (0.077 R)
• M34: 32,939,207 km (0.101 R)
• M35: 41,370,992 km (0.054 R)
• M36: 42,285,783 km (0.118 R)
• M37: 43,080,596 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.3

Radius: 3.2

Gravity: 90.75 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.55 AU - 7.79 AU

Year: 13252 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,777,365 km

• M1: 40,840 km (0.113 R)
• M2: 167,849 km (0.112 R)
• M3: 471,682 km (0.083 R)
• M4: 607,218 km (0.075 R)
• M5: 1,100,741 km (0.037 R)
• M6: 1,414,448 km (0.076 R)
• M7: 1,665,623 km (0.082 R)
• M8: 2,318,169 km (0.05 R)
• M9: 2,423,635 km (0.025 R)
• M10: 3,049,852 km (0.095 R)
• M11: 3,690,879 km (0.101 R)
• M12: 4,043,032 km (0.039 R)
• M13: 4,417,176 km (0.107 R)
• M14: 4,645,762 km (0.052 R)
• M15: 7,159,754 km (0.103 R)
• M16: 7,613,185 km (0.105 R)
• M17: 9,947,361 km (0.082 R)
• M18: 13,584,983 km (0.101 R)
• M19: 15,288,005 km (0.069 R)
• M20: 15,659,905 km (0.117 R)
• M21: 18,855,016 km (0.061 R)
• M22: 19,455,502 km (0.086 R)
• M23: 19,629,335 km (0.066 R)
• M24: 20,875,635 km (0.083 R)
• M25: 21,985,053 km (0.055 R)
• M26: 23,328,142 km (0.103 R)
• M27: 25,966,151 km (0.073 R)
• M28: 28,908,741 km (0.047 R)
• M29: 37,690,884 km (0.059 R)
• M30: 44,689,222 km (0.097 R)
• M31: 46,525,985 km (0.059 R)
• M32: 52,337,114 km (0.074 R)
• M33: 55,242,006 km (0.099 R)
• M34: 61,370,282 km (0.03 R)
• M35: 62,119,618 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.6

Radius: 6

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.43 AU - 11.45 AU

Year: 23284 Days

Day: 22.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,777,365 km

• M1: 74,799 km (0.049 R)
• M2: 386,262 km (0.107 R)
• M3: 639,680 km (0.097 R)
• M4: 4,012,514 km (0.109 R)
• M5: 5,801,405 km (0.056 R)
• M6: 6,869,833 km (0.055 R)
• M7: 7,253,402 km (0.081 R)
• M8: 7,500,388 km (0.087 R)
• M9: 8,988,588 km (0.096 R)
• M10: 9,982,516 km (0.083 R)
• M11: 14,076,711 km (0.066 R)
• M12: 15,494,300 km (0.102 R)
• M13: 17,617,393 km (0.104 R)
• M14: 19,073,579 km (0.103 R)
• M15: 19,735,101 km (0.054 R)
• M16: 25,249,278 km (0.07 R)
• M17: 30,286,687 km (0.079 R)
• M18: 31,056,817 km (0.108 R)
• M19: 31,446,819 km (0.051 R)
• M20: 39,795,876 km (0.027 R)
• M21: 49,155,916 km (0.06 R)
• M22: 50,218,958 km (0.11 R)
• M23: 54,813,857 km (0.104 R)
• M24: 55,574,113 km (0.106 R)
• M25: 63,567,426 km (0.087 R)
• M26: 74,593,238 km (0.06 R)
• M27: 83,777,351 km (0.061 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 14,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit