🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 8.5

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.65 AU - 0.93 AU

Year: 485 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,795,865 km

• M1: 105,766 km (0.092 R)
• M2: 416,181 km (0.105 R)
• M3: 700,268 km (0.07 R)
• M4: 1,014,872 km (0.106 R)
• M5: 1,312,572 km (0.11 R)
• M6: 1,586,934 km (0.05 R)
• M7: 1,925,175 km (0.1 R)
• M8: 2,359,458 km (0.058 R)
• M9: 2,663,291 km (0.115 R)
• M10: 3,062,268 km (0.107 R)
• M11: 3,374,928 km (0.109 R)
• M12: 4,354,196 km (0.092 R)
• M13: 4,893,646 km (0.049 R)
• M14: 5,830,577 km (0.045 R)
• M15: 6,275,032 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 13.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.76 AU - 0.96 AU

Year: 551 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,795,865 km

• M1: 172,935 km (0.057 R)
• M2: 733,628 km (0.066 R)
• M3: 1,218,624 km (0.093 R)
• M4: 1,678,189 km (0.119 R)
• M5: 2,204,773 km (0.081 R)
• M6: 4,164,506 km (0.034 R)
• M7: 4,919,975 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 9

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.24 AU - 1.62 AU

Year: 1180 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,795,865 km

• M1: 112,049 km (0.088 R)
• M2: 755,170 km (0.099 R)
• M3: 1,125,275 km (0.115 R)
• M4: 1,735,335 km (0.099 R)
• M5: 2,164,831 km (0.087 R)
• M6: 2,741,531 km (0.116 R)
• M7: 3,876,530 km (0.095 R)
• M8: 4,287,625 km (0.107 R)
• M9: 4,861,332 km (0.098 R)
• M10: 5,740,818 km (0.098 R)
• M11: 7,732,864 km (0.069 R)
• M12: 9,223,158 km (0.072 R)
• M13: 9,801,204 km (0.109 R)
• M14: 10,533,186 km (0.097 R)
• M15: 11,301,222 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.5

Radius: 8.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.77 AU - 2.15 AU

Year: 1894 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,795,865 km

• M1: 109,954 km (0.083 R)
• M2: 510,428 km (0.047 R)
• M3: 1,003,802 km (0.101 R)
• M4: 1,428,809 km (0.11 R)
• M5: 1,850,226 km (0.079 R)
• M6: 3,109,841 km (0.041 R)
• M7: 3,614,883 km (0.093 R)
• M8: 4,331,008 km (0.062 R)
• M9: 6,902,446 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 11.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.93 AU - 4.45 AU

Year: 5920 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,795,865 km

• M1: 165,605 km (0.086 R)
• M2: 988,393 km (0.071 R)
• M3: 1,364,482 km (0.106 R)
• M4: 1,884,933 km (0.098 R)
• M5: 2,836,076 km (0.085 R)
• M6: 3,279,933 km (0.025 R)
• M7: 3,713,169 km (0.116 R)
• M8: 4,308,568 km (0.064 R)
• M9: 6,347,438 km (0.108 R)
• M10: 6,879,557 km (0.088 R)
• M11: 11,114,523 km (0.099 R)
• M12: 13,500,011 km (0.027 R)
• M13: 17,799,304 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.7

Radius: 4.2

Gravity: 45.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.2 AU - 8.46 AU

Year: 12321 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,795,865 km

• M1: 52,808 km (0.094 R)
• M2: 516,113 km (0.082 R)
• M3: 669,600 km (0.117 R)
• M4: 947,254 km (0.117 R)
• M5: 1,244,953 km (0.104 R)
• M6: 1,394,402 km (0.082 R)
• M7: 1,864,438 km (0.075 R)
• M8: 2,453,854 km (0.087 R)
• M9: 3,544,572 km (0.098 R)
• M10: 3,875,333 km (0.08 R)
• M11: 6,585,149 km (0.094 R)
• M12: 6,873,274 km (0.107 R)
• M13: 9,386,070 km (0.114 R)
• M14: 10,676,800 km (0.066 R)
• M15: 11,189,771 km (0.094 R)
• M16: 12,203,596 km (0.109 R)
• M17: 12,450,732 km (0.068 R)
• M18: 13,472,784 km (0.107 R)
• M19: 15,108,787 km (0.102 R)
• M20: 15,393,770 km (0.058 R)
• M21: 16,494,362 km (0.091 R)
• M22: 17,334,204 km (0.044 R)
• M23: 19,015,834 km (0.093 R)
• M24: 20,195,413 km (0.108 R)
• M25: 20,454,517 km (0.081 R)
• M26: 23,929,376 km (0.1 R)
• M27: 24,122,507 km (0.064 R)
• M28: 24,806,469 km (0.119 R)
• M29: 26,624,382 km (0.117 R)
• M30: 28,205,631 km (0.097 R)
• M31: 33,443,502 km (0.116 R)
• M32: 34,416,037 km (0.091 R)
• M33: 34,909,262 km (0.038 R)
• M34: 36,929,581 km (0.072 R)
• M35: 39,159,935 km (0.056 R)
• M36: 40,240,032 km (0.112 R)
• M37: 42,177,474 km (0.117 R)
• M38: 53,131,030 km (0.092 R)
• M39: 54,620,726 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.7

Radius: 7.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.83 AU - 8.07 AU

Year: 15473 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,795,865 km

• M1: 109,655 km (0.108 R)
• M2: 449,542 km (0.107 R)
• M3: 2,145,832 km (0.075 R)
• M4: 3,196,458 km (0.116 R)
• M5: 3,911,087 km (0.061 R)
• M6: 4,171,537 km (0.096 R)
• M7: 4,584,277 km (0.109 R)
• M8: 4,874,198 km (0.098 R)
• M9: 5,363,832 km (0.117 R)
• M10: 5,653,453 km (0.102 R)
• M11: 6,513,042 km (0.075 R)
• M12: 9,945,865 km (0.098 R)
• M13: 10,433,255 km (0.082 R)
• M14: 11,508,863 km (0.056 R)
• M15: 14,549,291 km (0.118 R)
• M16: 14,987,163 km (0.039 R)
• M17: 15,563,115 km (0.109 R)
• M18: 16,759,150 km (0.108 R)
• M19: 18,158,638 km (0.079 R)
• M20: 19,710,118 km (0.097 R)
• M21: 22,077,205 km (0.116 R)
• M22: 27,367,434 km (0.112 R)
• M23: 27,747,413 km (0.08 R)
• M24: 32,587,054 km (0.113 R)
• M25: 36,222,432 km (0.12 R)
• M26: 38,910,406 km (0.118 R)
• M27: 39,875,612 km (0.088 R)
• M28: 40,609,988 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.5

Radius: 7

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.23 AU - 10.05 AU

Year: 20660 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,795,865 km

• M1: 87,515 km (0.047 R)
• M2: 495,618 km (0.098 R)
• M3: 1,288,636 km (0.073 R)
• M4: 1,713,195 km (0.083 R)
• M5: 3,131,532 km (0.052 R)
• M6: 4,677,626 km (0.096 R)
• M7: 6,628,831 km (0.102 R)
• M8: 6,905,887 km (0.086 R)
• M9: 7,532,702 km (0.066 R)
• M10: 11,978,302 km (0.081 R)
• M11: 12,320,581 km (0.06 R)
• M12: 15,865,004 km (0.05 R)
• M13: 16,953,777 km (0.074 R)
• M14: 18,002,159 km (0.102 R)
• M15: 20,035,493 km (0.119 R)
• M16: 21,910,703 km (0.053 R)
• M17: 24,007,765 km (0.063 R)
• M18: 27,873,674 km (0.07 R)
• M19: 34,558,006 km (0.082 R)
• M20: 36,239,187 km (0.119 R)
• M21: 38,268,631 km (0.068 R)
• M22: 39,763,862 km (0.046 R)
• M23: 41,297,539 km (0.054 R)
• M24: 41,609,002 km (0.114 R)
• M25: 42,552,666 km (0.076 R)
• M26: 44,974,057 km (0.044 R)
• M27: 45,967,835 km (0.04 R)
• M28: 55,201,764 km (0.111 R)
• M29: 56,723,922 km (0.111 R)
• M30: 58,469,430 km (0.069 R)
• M31: 62,475,960 km (0.096 R)
• M32: 68,823,099 km (0.081 R)
• M33: 71,477,863 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 18,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit