🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 10.3

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.63 AU - 0.65 AU

Year: 353 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,867,530 km

• M1: 128,056 km (0.073 R)
• M2: 559,346 km (0.059 R)
• M3: 893,698 km (0.119 R)
• M4: 1,225,356 km (0.087 R)
• M5: 1,564,644 km (0.054 R)
• M6: 1,982,172 km (0.099 R)
• M7: 2,320,712 km (0.066 R)
• M8: 2,897,112 km (0.093 R)
• M9: 3,668,738 km (0.077 R)
• M10: 4,439,915 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 8.4

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.49 AU - 2.17 AU

Year: 1709 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,867,530 km

• M1: 104,419 km (0.065 R)
• M2: 898,036 km (0.053 R)
• M3: 1,322,296 km (0.059 R)
• M4: 1,886,280 km (0.029 R)
• M5: 2,986,273 km (0.101 R)
• M6: 4,043,780 km (0.109 R)
• M7: 4,677,327 km (0.075 R)
• M8: 5,397,042 km (0.115 R)
• M9: 6,001,268 km (0.064 R)
• M10: 6,825,104 km (0.097 R)
• M11: 8,199,609 km (0.083 R)
• M12: 8,876,390 km (0.11 R)
• M13: 9,337,450 km (0.06 R)
• M14: 12,985,245 km (0.08 R)

Asteroid Belt

Center: 3.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 8.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.7 AU - 4.92 AU

Year: 7282 Days

Day: 6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,867,530 km

• M1: 117,434 km (0.095 R)
• M2: 406,607 km (0.091 R)
• M3: 3,459,750 km (0.08 R)
• M4: 3,922,307 km (0.11 R)
• M5: 4,552,263 km (0.11 R)
• M6: 4,948,099 km (0.056 R)
• M7: 7,020,478 km (0.105 R)
• M8: 8,753,570 km (0.06 R)
• M9: 9,648,015 km (0.082 R)
• M10: 10,985,271 km (0.115 R)
• M11: 15,783,323 km (0.119 R)
• M12: 17,209,739 km (0.09 R)
• M13: 17,900,432 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.1

Radius: 4.7

Gravity: 27.89 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.65 AU - 8.69 AU

Year: 14662 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,867,530 km

• M1: 59,241 km (0.103 R)
• M2: 293,810 km (0.101 R)
• M3: 487,390 km (0.111 R)
• M4: 702,362 km (0.073 R)
• M5: 914,492 km (0.101 R)
• M6: 1,653,206 km (0.083 R)
• M7: 2,125,337 km (0.097 R)
• M8: 3,543,076 km (0.118 R)
• M9: 4,573,805 km (0.107 R)
• M10: 4,735,820 km (0.099 R)
• M11: 6,492,548 km (0.101 R)
• M12: 7,294,093 km (0.074 R)
• M13: 8,495,214 km (0.086 R)
• M14: 8,641,820 km (0.12 R)
• M15: 10,202,126 km (0.105 R)
• M16: 11,106,595 km (0.098 R)
• M17: 13,138,732 km (0.105 R)
• M18: 13,466,800 km (0.053 R)
• M19: 16,593,545 km (0.081 R)
• M20: 16,899,772 km (0.091 R)
• M21: 17,209,739 km (0.12 R)
• M22: 19,401,946 km (0.116 R)
• M23: 22,325,537 km (0.114 R)
• M24: 23,266,209 km (0.105 R)
• M25: 24,037,535 km (0.092 R)
• M26: 25,226,390 km (0.109 R)
• M27: 25,835,253 km (0.068 R)
• M28: 27,188,067 km (0.071 R)
• M29: 29,249,076 km (0.11 R)
• M30: 32,116,419 km (0.12 R)
• M31: 37,215,313 km (0.064 R)
• M32: 37,476,959 km (0.068 R)
• M33: 48,510,251 km (0.116 R)
• M34: 51,368,917 km (0.117 R)
• M35: 57,071,438 km (0.069 R)
• M36: 59,358,640 km (0.082 R)
• M37: 59,537,110 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 5.3

Gravity: 22.9 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.44 AU - 8.72 AU

Year: 15854 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,867,530 km

• M1: 68,815 km (0.049 R)
• M2: 244,593 km (0.112 R)
• M3: 560,842 km (0.083 R)
• M4: 841,638 km (0.079 R)
• M5: 1,062,145 km (0.12 R)
• M6: 1,293,124 km (0.072 R)
• M7: 2,174,704 km (0.047 R)
• M8: 2,894,270 km (0.096 R)
• M9: 3,536,942 km (0.109 R)
• M10: 3,935,920 km (0.058 R)
• M11: 4,557,350 km (0.112 R)
• M12: 5,914,651 km (0.1 R)
• M13: 7,161,250 km (0.075 R)
• M14: 7,566,959 km (0.114 R)
• M15: 7,845,960 km (0.116 R)
• M16: 8,035,650 km (0.093 R)
• M17: 9,665,818 km (0.066 R)
• M18: 11,083,856 km (0.055 R)
• M19: 16,858,184 km (0.12 R)
• M20: 19,241,877 km (0.088 R)
• M21: 21,747,940 km (0.12 R)
• M22: 22,885,482 km (0.108 R)
• M23: 28,386,794 km (0.056 R)
• M24: 30,438,828 km (0.117 R)
• M25: 31,980,883 km (0.116 R)
• M26: 32,222,783 km (0.071 R)
• M27: 33,949,442 km (0.106 R)
• M28: 38,671,050 km (0.089 R)
• M29: 43,515,178 km (0.025 R)
• M30: 49,713,467 km (0.074 R)
• M31: 51,515,672 km (0.079 R)
• M32: 54,903,167 km (0.119 R)
• M33: 55,947,659 km (0.055 R)
• M34: 56,474,842 km (0.074 R)
• M35: 57,182,888 km (0.104 R)
• M36: 58,436,070 km (0.083 R)
• M37: 58,797,498 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.8

Radius: 6.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.84 AU - 10.16 AU

Year: 21828 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,867,530 km

• M1: 82,129 km (0.109 R)
• M2: 290,519 km (0.067 R)
• M3: 712,834 km (0.105 R)
• M4: 2,460,885 km (0.045 R)
• M5: 2,686,927 km (0.105 R)
• M6: 3,707,933 km (0.107 R)
• M7: 7,081,664 km (0.114 R)
• M8: 8,660,969 km (0.087 R)
• M9: 9,089,866 km (0.036 R)
• M10: 10,145,578 km (0.09 R)
• M11: 23,475,945 km (0.084 R)
• M12: 23,843,806 km (0.116 R)
• M13: 29,941,864 km (0.069 R)
• M14: 34,222,906 km (0.095 R)
• M15: 35,534,281 km (0.106 R)
• M16: 36,508,912 km (0.039 R)
• M17: 48,432,460 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.7

Radius: 4.2

Gravity: 21.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.14 AU - 10.54 AU

Year: 22950 Days

Day: 17.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,867,530 km

• M1: 61,335 km (0.052 R)
• M2: 460,313 km (0.119 R)
• M3: 689,497 km (0.086 R)
• M4: 945,309 km (0.089 R)
• M5: 1,166,714 km (0.072 R)
• M6: 2,286,155 km (0.092 R)
• M7: 8,654,087 km (0.055 R)
• M8: 8,914,836 km (0.114 R)
• M9: 11,626,747 km (0.061 R)
• M10: 14,768,152 km (0.051 R)
• M11: 15,366,693 km (0.092 R)
• M12: 21,122,172 km (0.106 R)
• M13: 21,689,896 km (0.045 R)
• M14: 21,977,573 km (0.096 R)
• M15: 23,153,711 km (0.095 R)
• M16: 25,100,578 km (0.026 R)
• M17: 31,837,269 km (0.087 R)
• M18: 32,084,704 km (0.108 R)
• M19: 34,759,813 km (0.107 R)
• M20: 42,912,897 km (0.053 R)
• M21: 43,975,491 km (0.069 R)
• M22: 44,590,488 km (0.108 R)
• M23: 47,429,257 km (0.078 R)
• M24: 49,884,906 km (0.07 R)
• M25: 56,663,634 km (0.073 R)
• M26: 56,845,096 km (0.103 R)
• M27: 64,820,608 km (0.093 R)
• M28: 67,636,339 km (0.091 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: 520 - 11,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit