🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 12.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.13 AU - 1.35 AU

Year: 937 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,814,770 km

• M1: 155,582 km (0.064 R)
• M2: 575,503 km (0.098 R)
• M3: 1,006,943 km (0.094 R)
• M4: 1,397,843 km (0.116 R)
• M5: 2,680,495 km (0.047 R)
• M6: 3,326,907 km (0.096 R)
• M7: 3,917,071 km (0.031 R)
• M8: 4,547,476 km (0.074 R)
• M9: 4,978,916 km (0.069 R)
• M10: 5,804,547 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 10.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.19 AU - 1.71 AU

Year: 1184 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,814,770 km

• M1: 129,402 km (0.063 R)
• M2: 668,852 km (0.109 R)
• M3: 1,054,665 km (0.072 R)
• M4: 1,598,752 km (0.083 R)
• M5: 1,987,408 km (0.103 R)
• M6: 2,385,787 km (0.099 R)
• M7: 3,239,093 km (0.117 R)
• M8: 3,928,440 km (0.039 R)
• M9: 4,678,823 km (0.057 R)
• M10: 5,097,398 km (0.105 R)
• M11: 5,427,710 km (0.114 R)
• M12: 6,400,246 km (0.075 R)
• M13: 7,697,110 km (0.079 R)
• M14: 8,357,285 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 11.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.6 AU - 1.76 AU

Year: 1477 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,814,770 km

• M1: 139,724 km (0.067 R)
• M2: 551,268 km (0.1 R)
• M3: 1,500,915 km (0.115 R)
• M4: 2,136,856 km (0.09 R)
• M5: 2,530,149 km (0.111 R)
• M6: 2,958,597 km (0.119 R)
• M7: 5,260,310 km (0.106 R)
• M8: 6,428,221 km (0.112 R)
• M9: 7,838,928 km (0.034 R)
• M10: 10,580,609 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 12.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.34 AU - 2.06 AU

Year: 1503 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,814,770 km

• M1: 160,369 km (0.062 R)
• M2: 671,844 km (0.08 R)
• M3: 1,302,399 km (0.101 R)
• M4: 2,867,342 km (0.067 R)
• M5: 3,903,607 km (0.062 R)
• M6: 4,756,016 km (0.096 R)
• M7: 6,512,444 km (0.1 R)
• M8: 8,236,560 km (0.078 R)
• M9: 8,726,044 km (0.092 R)
• M10: 11,793,847 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 14.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.39 AU - 3.25 AU

Year: 3212 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,814,770 km

• M1: 197,170 km (0.092 R)
• M2: 1,416,841 km (0.11 R)
• M3: 2,009,997 km (0.108 R)
• M4: 3,475,159 km (0.116 R)
• M5: 4,383,666 km (0.114 R)
• M6: 4,951,540 km (0.057 R)
• M7: 6,757,635 km (0.099 R)
• M8: 8,666,205 km (0.11 R)
• M9: 9,247,392 km (0.102 R)
• M10: 9,854,610 km (0.079 R)
• M11: 11,713,812 km (0.117 R)
• M12: 12,988,985 km (0.105 R)
• M13: 16,220,000 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 10.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.4 AU - 3.36 AU

Year: 3315 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,814,770 km

• M1: 144,212 km (0.118 R)
• M2: 500,405 km (0.116 R)
• M3: 1,643,183 km (0.112 R)
• M4: 3,220,543 km (0.084 R)
• M5: 3,709,578 km (0.075 R)
• M6: 4,618,086 km (0.07 R)
• M7: 5,842,246 km (0.086 R)
• M8: 6,301,810 km (0.088 R)
• M9: 8,115,535 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.1

Radius: 7.1

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.55 AU - 5.85 AU

Year: 9230 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,814,770 km

• M1: 88,412 km (0.086 R)
• M2: 356,492 km (0.042 R)
• M3: 601,533 km (0.117 R)
• M4: 822,339 km (0.098 R)
• M5: 1,212,341 km (0.046 R)
• M6: 1,437,336 km (0.033 R)
• M7: 1,690,456 km (0.049 R)
• M8: 3,177,160 km (0.063 R)
• M9: 3,413,375 km (0.101 R)
• M10: 3,842,122 km (0.092 R)
• M11: 4,138,475 km (0.115 R)
• M12: 5,346,478 km (0.098 R)
• M13: 5,647,768 km (0.106 R)
• M14: 6,139,048 km (0.084 R)
• M15: 6,696,749 km (0.095 R)
• M16: 7,086,900 km (0.105 R)
• M17: 10,154,105 km (0.079 R)
• M18: 11,364,950 km (0.118 R)
• M19: 17,033,662 km (0.032 R)
• M20: 17,982,861 km (0.099 R)
• M21: 26,303,494 km (0.049 R)
• M22: 30,119,437 km (0.089 R)
• M23: 31,397,302 km (0.087 R)
• M24: 35,564,051 km (0.119 R)
• M25: 36,870,639 km (0.063 R)
• M26: 37,840,632 km (0.066 R)
• M27: 44,292,190 km (0.06 R)
• M28: 45,942,703 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.1

Radius: 3.4

Gravity: 75.87 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.08 AU - 7.72 AU

Year: 13653 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,814,770 km

• M1: 42,486 km (0.092 R)
• M2: 161,416 km (0.103 R)
• M3: 309,368 km (0.106 R)
• M4: 415,583 km (0.104 R)
• M5: 705,504 km (0.085 R)
• M6: 983,756 km (0.093 R)
• M7: 1,103,733 km (0.111 R)
• M8: 1,702,573 km (0.08 R)
• M9: 2,100,952 km (0.118 R)
• M10: 2,384,889 km (0.084 R)
• M11: 3,555,044 km (0.064 R)
• M12: 3,667,093 km (0.037 R)
• M13: 4,232,273 km (0.078 R)
• M14: 6,314,077 km (0.06 R)
• M15: 7,166,336 km (0.111 R)
• M16: 10,066,740 km (0.084 R)
• M17: 10,693,106 km (0.101 R)
• M18: 12,022,882 km (0.1 R)
• M19: 12,532,711 km (0.11 R)
• M20: 12,858,535 km (0.073 R)
• M21: 14,359,451 km (0.084 R)
• M22: 15,225,473 km (0.119 R)
• M23: 18,446,764 km (0.06 R)
• M24: 20,082,467 km (0.095 R)
• M25: 20,438,659 km (0.067 R)
• M26: 21,440,217 km (0.09 R)
• M27: 21,812,267 km (0.051 R)
• M28: 24,437,560 km (0.083 R)
• M29: 26,406,268 km (0.067 R)
• M30: 27,374,615 km (0.084 R)
• M31: 28,814,794 km (0.065 R)
• M32: 32,573,590 km (0.087 R)
• M33: 32,818,781 km (0.095 R)
• M34: 33,312,903 km (0.078 R)
• M35: 33,937,474 km (0.103 R)
• M36: 40,760,333 km (0.096 R)
• M37: 41,188,034 km (0.098 R)
• M38: 41,474,663 km (0.12 R)
• M39: 42,928,306 km (0.057 R)
• M40: 50,380,374 km (0.06 R)
• M41: 56,326,740 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.9

Radius: 4.8

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.71 AU - 10.65 AU

Year: 17345 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,814,770 km

• M1: 67,469 km (0.089 R)
• M2: 255,663 km (0.083 R)
• M3: 524,191 km (0.059 R)
• M4: 753,076 km (0.091 R)
• M5: 967,001 km (0.077 R)
• M6: 2,750,506 km (0.098 R)
• M7: 3,635,527 km (0.03 R)
• M8: 4,127,704 km (0.108 R)
• M9: 5,137,939 km (0.098 R)
• M10: 5,719,127 km (0.048 R)
• M11: 6,302,857 km (0.116 R)
• M12: 9,192,640 km (0.074 R)
• M13: 9,774,276 km (0.095 R)
• M14: 12,474,368 km (0.105 R)
• M15: 15,856,327 km (0.109 R)
• M16: 17,238,163 km (0.111 R)
• M17: 17,476,023 km (0.083 R)
• M18: 18,284,600 km (0.06 R)
• M19: 19,716,251 km (0.063 R)
• M20: 21,220,757 km (0.086 R)
• M21: 25,059,588 km (0.072 R)
• M22: 25,467,242 km (0.053 R)
• M23: 26,295,715 km (0.063 R)
• M24: 29,112,194 km (0.066 R)
• M25: 31,058,463 km (0.117 R)
• M26: 31,884,542 km (0.092 R)
• M27: 34,701,919 km (0.111 R)
• M28: 37,282,931 km (0.061 R)
• M29: 37,680,712 km (0.118 R)
• M30: 42,102,526 km (0.082 R)
• M31: 43,405,673 km (0.109 R)
• M32: 44,437,748 km (0.095 R)
• M33: 46,857,793 km (0.102 R)
• M34: 49,683,846 km (0.098 R)
• M35: 53,457,453 km (0.09 R)
• M36: 56,018,718 km (0.114 R)
• M37: 61,200,190 km (0.082 R)
• M38: 61,568,948 km (0.104 R)
• M39: 61,753,851 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.5

Radius: 5.5

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.13 AU - 10.81 AU

Year: 21352 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,814,770 km

• M1: 68,516 km (0.09 R)
• M2: 380,427 km (0.084 R)
• M3: 601,084 km (0.102 R)
• M4: 801,396 km (0.061 R)
• M5: 974,929 km (0.038 R)
• M6: 1,476,381 km (0.082 R)
• M7: 2,196,396 km (0.086 R)
• M8: 2,496,938 km (0.095 R)
• M9: 3,024,271 km (0.085 R)
• M10: 3,480,394 km (0.077 R)
• M11: 7,554,992 km (0.053 R)
• M12: 7,794,947 km (0.092 R)
• M13: 9,675,541 km (0.104 R)
• M14: 10,841,208 km (0.104 R)
• M15: 21,061,735 km (0.113 R)
• M16: 45,224,184 km (0.113 R)
• M17: 48,774,890 km (0.076 R)
• M18: 50,617,936 km (0.118 R)
• M19: 58,454,919 km (0.11 R)
• M20: 63,052,211 km (0.111 R)
• M21: 63,643,422 km (0.118 R)
• M22: 67,062,781 km (0.112 R)
• M23: 68,505,652 km (0.027 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 19,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit