🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 13.2

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.7 AU - 0.78 AU

Year: 447 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,602,078 km

• M1: 164,109 km (0.069 R)
• M2: 612,154 km (0.083 R)
• M3: 1,052,571 km (0.105 R)
• M4: 1,498,522 km (0.041 R)
• M5: 2,409,423 km (0.101 R)
• M6: 3,173,420 km (0.069 R)
• M7: 5,046,385 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 9.7

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 503 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,602,078 km

• M1: 120,725 km (0.107 R)
• M2: 427,700 km (0.1 R)
• M3: 736,171 km (0.105 R)
• M4: 1,360,593 km (0.111 R)
• M5: 1,698,385 km (0.093 R)
• M6: 2,109,928 km (0.089 R)
• M7: 2,430,217 km (0.096 R)
• M8: 2,751,554 km (0.119 R)
• M9: 3,078,724 km (0.116 R)
• M10: 3,746,828 km (0.106 R)
• M11: 4,164,356 km (0.06 R)
• M12: 5,937,988 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 11.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.88 AU - 1.12 AU

Year: 703 Days

Day: 15 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,602,078 km

• M1: 148,401 km (0.107 R)
• M2: 607,517 km (0.091 R)
• M3: 1,115,402 km (0.029 R)
• M4: 1,678,488 km (0.084 R)
• M5: 2,569,343 km (0.108 R)
• M6: 3,254,202 km (0.096 R)
• M7: 3,646,149 km (0.082 R)
• M8: 4,032,261 km (0.073 R)
• M9: 4,472,677 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 9.2

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.55 AU - 2.07 AU

Year: 1712 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,602,078 km

• M1: 114,442 km (0.106 R)
• M2: 416,032 km (0.115 R)
• M3: 849,716 km (0.084 R)
• M4: 1,517,072 km (0.108 R)
• M5: 1,831,826 km (0.109 R)
• M6: 2,568,296 km (0.107 R)
• M7: 3,160,853 km (0.119 R)
• M8: 3,627,898 km (0.104 R)
• M9: 4,026,576 km (0.078 R)
• M10: 4,848,168 km (0.056 R)
• M11: 5,242,508 km (0.119 R)
• M12: 5,753,385 km (0.114 R)
• M13: 6,793,987 km (0.037 R)
• M14: 7,093,333 km (0.118 R)
• M15: 7,573,542 km (0.112 R)
• M16: 8,135,731 km (0.098 R)
• M17: 9,851,618 km (0.075 R)
• M18: 10,165,325 km (0.112 R)
• M19: 10,630,275 km (0.104 R)
• M20: 12,110,546 km (0.115 R)
• M21: 13,723,660 km (0.113 R)
• M22: 15,335,427 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 15

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.73 AU - 2.73 AU

Year: 2341 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,602,078 km

• M1: 186,549 km (0.105 R)
• M2: 1,595,611 km (0.107 R)
• M3: 2,186,522 km (0.106 R)
• M4: 2,814,834 km (0.087 R)
• M5: 3,764,780 km (0.073 R)
• M6: 4,461,308 km (0.093 R)
• M7: 5,125,821 km (0.04 R)
• M8: 6,009,945 km (0.11 R)
• M9: 7,022,573 km (0.092 R)
• M10: 7,831,299 km (0.1 R)
• M11: 8,339,483 km (0.091 R)
• M12: 9,316,806 km (0.065 R)
• M13: 11,022,371 km (0.111 R)
• M14: 12,326,117 km (0.101 R)
• M15: 12,884,416 km (0.092 R)
• M16: 14,471,799 km (0.082 R)
• M17: 15,683,093 km (0.107 R)
• M18: 16,961,107 km (0.072 R)
• M19: 18,142,332 km (0.113 R)
• M20: 18,809,239 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 14.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.31 AU - 2.33 AU

Year: 2484 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,602,078 km

• M1: 180,415 km (0.117 R)
• M2: 656,136 km (0.088 R)
• M3: 1,482,066 km (0.09 R)
• M4: 2,059,663 km (0.09 R)
• M5: 2,536,432 km (0.079 R)
• M6: 3,071,244 km (0.117 R)
• M7: 3,793,802 km (0.082 R)
• M8: 4,693,484 km (0.062 R)
• M9: 5,507,446 km (0.092 R)
• M10: 5,987,505 km (0.099 R)
• M11: 6,523,215 km (0.064 R)
• M12: 6,974,851 km (0.099 R)
• M13: 8,132,140 km (0.086 R)
• M14: 10,826,248 km (0.047 R)
• M15: 13,976,480 km (0.091 R)
• M16: 16,064,418 km (0.047 R)
• M17: 16,682,556 km (0.047 R)
• M18: 17,156,482 km (0.09 R)
• M19: 17,911,802 km (0.051 R)
• M20: 18,801,909 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 14

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.52 AU - 5.22 AU

Year: 7554 Days

Day: 8.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,602,078 km

• M1: 174,132 km (0.107 R)
• M2: 635,492 km (0.037 R)
• M3: 1,717,533 km (0.103 R)
• M4: 3,188,679 km (0.062 R)
• M5: 4,306,324 km (0.116 R)
• M6: 5,446,260 km (0.093 R)
• M7: 8,108,953 km (0.097 R)
• M8: 9,375,747 km (0.109 R)
• M9: 10,520,769 km (0.105 R)
• M10: 11,127,239 km (0.116 R)
• M11: 11,650,383 km (0.105 R)
• M12: 14,211,050 km (0.085 R)
• M13: 15,916,615 km (0.099 R)
• M14: 16,581,578 km (0.11 R)
• M15: 17,613,952 km (0.072 R)
• M16: 19,205,075 km (0.066 R)
• M17: 22,340,497 km (0.092 R)
• M18: 22,922,283 km (0.071 R)
• M19: 23,599,662 km (0.06 R)
• M20: 27,094,718 km (0.088 R)
• M21: 30,209,196 km (0.102 R)
• M22: 32,167,432 km (0.051 R)
• M23: 33,555,102 km (0.052 R)
• M24: 36,107,690 km (0.117 R)
• M25: 37,840,482 km (0.088 R)
• M26: 39,386,576 km (0.064 R)
• M27: 40,727,422 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 7.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.9 AU - 8.1 AU

Year: 11649 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,602,078 km

• M1: 102,325 km (0.113 R)
• M2: 364,570 km (0.032 R)
• M3: 1,087,128 km (0.093 R)
• M4: 2,096,465 km (0.105 R)
• M5: 2,549,746 km (0.099 R)
• M6: 2,921,198 km (0.057 R)
• M7: 4,336,393 km (0.068 R)
• M8: 4,638,432 km (0.047 R)
• M9: 4,925,360 km (0.104 R)
• M10: 5,857,654 km (0.109 R)
• M11: 6,470,856 km (0.067 R)
• M12: 7,587,006 km (0.119 R)
• M13: 9,539,856 km (0.103 R)
• M14: 13,348,020 km (0.111 R)
• M15: 15,971,218 km (0.098 R)
• M16: 17,506,541 km (0.083 R)
• M17: 24,035,441 km (0.113 R)
• M18: 26,407,315 km (0.071 R)
• M19: 27,231,450 km (0.053 R)
• M20: 27,696,550 km (0.069 R)
• M21: 29,317,892 km (0.117 R)
• M22: 30,499,715 km (0.086 R)
• M23: 31,102,445 km (0.072 R)
• M24: 32,853,188 km (0.117 R)
• M25: 34,560,100 km (0.093 R)
• M26: 34,995,879 km (0.084 R)
• M27: 35,545,800 km (0.087 R)

Asteroid Belt

Center: 8.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.6

Radius: 3.1

Gravity: 36.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.2 AU - 10.26 AU

Year: 21334 Days

Day: 23.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,602,078 km

• M1: 39,045 km (0.081 R)
• M2: 248,781 km (0.109 R)
• M3: 481,406 km (0.055 R)
• M4: 984,803 km (0.063 R)
• M5: 1,142,928 km (0.118 R)
• M6: 1,433,896 km (0.047 R)
• M7: 1,703,770 km (0.075 R)
• M8: 2,740,483 km (0.093 R)
• M9: 2,955,007 km (0.07 R)
• M10: 3,780,189 km (0.117 R)
• M11: 4,781,597 km (0.07 R)
• M12: 8,520,048 km (0.12 R)
• M13: 8,670,244 km (0.114 R)
• M14: 8,873,398 km (0.119 R)
• M15: 10,904,937 km (0.097 R)
• M16: 12,059,683 km (0.086 R)
• M17: 13,427,905 km (0.078 R)
• M18: 16,313,797 km (0.102 R)
• M19: 17,174,434 km (0.097 R)
• M20: 19,070,587 km (0.056 R)
• M21: 19,500,531 km (0.051 R)
• M22: 20,379,718 km (0.066 R)
• M23: 20,829,110 km (0.108 R)
• M24: 23,468,166 km (0.046 R)
• M25: 24,161,103 km (0.106 R)
• M26: 25,796,058 km (0.041 R)
• M27: 26,533,875 km (0.094 R)
• M28: 26,854,463 km (0.072 R)
• M29: 28,384,251 km (0.064 R)
• M30: 28,495,702 km (0.107 R)
• M31: 28,831,848 km (0.084 R)
• M32: 29,170,538 km (0.062 R)
• M33: 31,616,463 km (0.113 R)
• M34: 42,767,338 km (0.03 R)
• M35: 45,303,471 km (0.034 R)
• M36: 53,171,122 km (0.076 R)
• M37: 53,510,261 km (0.081 R)
• M38: 55,575,459 km (0.084 R)
• M39: 56,804,406 km (0.107 R)
• M40: 59,681,023 km (0.115 R)
• M41: 60,047,389 km (0.047 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: 189 - 13,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit