🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 12.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,682,010 km

• M1: 159,172 km (0.117 R)
• M2: 573,708 km (0.115 R)
• M3: 1,069,774 km (0.085 R)
• M4: 1,513,631 km (0.069 R)
• M5: 1,954,047 km (0.084 R)
• M6: 2,388,031 km (0.026 R)
• M7: 2,791,945 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 15

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.8 AU - 1.1 AU

Year: 617 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,682,010 km

• M1: 186,549 km (0.062 R)
• M2: 702,811 km (0.092 R)
• M3: 1,207,853 km (0.03 R)
• M4: 1,677,142 km (0.103 R)
• M5: 2,365,292 km (0.074 R)
• M6: 3,214,260 km (0.109 R)
• M7: 3,843,319 km (0.087 R)
• M8: 4,375,588 km (0.115 R)
• M9: 5,005,246 km (0.118 R)
• M10: 5,801,256 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 13.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.96 AU - 1.14 AU

Year: 717 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,682,010 km

• M1: 165,006 km (0.073 R)
• M2: 607,367 km (0.087 R)
• M3: 1,048,232 km (0.063 R)
• M4: 1,491,341 km (0.111 R)
• M5: 2,614,821 km (0.115 R)
• M6: 3,070,945 km (0.118 R)
• M7: 3,594,687 km (0.118 R)
• M8: 4,256,957 km (0.079 R)
• M9: 5,071,069 km (0.11 R)
• M10: 6,378,255 km (0.11 R)
• M11: 7,515,647 km (0.081 R)
• M12: 8,396,928 km (0.031 R)
• M13: 8,968,841 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.5

Radius: 12.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.14 AU - 1.5 AU

Year: 1011 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 163.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,682,010 km

• M1: 161,416 km (0.059 R)
• M2: 629,209 km (0.087 R)
• M3: 1,510,789 km (0.085 R)
• M4: 2,019,571 km (0.114 R)
• M5: 2,766,364 km (0.088 R)
• M6: 3,463,789 km (0.044 R)
• M7: 4,008,176 km (0.026 R)
• M8: 5,530,932 km (0.062 R)
• M9: 6,057,816 km (0.109 R)
• M10: 6,503,319 km (0.077 R)
• M11: 6,946,727 km (0.096 R)
• M12: 7,868,698 km (0.062 R)
• M13: 9,184,262 km (0.09 R)
• M14: 9,773,977 km (0.038 R)
• M15: 10,325,993 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 13.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.31 AU - 2.17 AU

Year: 1531 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,682,010 km

• M1: 169,195 km (0.092 R)
• M2: 1,132,157 km (0.085 R)
• M3: 1,624,932 km (0.115 R)
• M4: 2,321,759 km (0.108 R)
• M5: 2,754,546 km (0.08 R)
• M6: 3,958,060 km (0.085 R)
• M7: 5,641,635 km (0.045 R)
• M8: 6,532,490 km (0.118 R)
• M9: 7,651,482 km (0.087 R)
• M10: 8,475,916 km (0.059 R)
• M11: 9,109,164 km (0.077 R)
• M12: 9,838,902 km (0.09 R)
• M13: 10,504,762 km (0.119 R)
• M14: 11,963,940 km (0.111 R)
• M15: 13,233,577 km (0.091 R)

Asteroid Belt

Center: 3.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 10.1

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.79 AU - 5.49 AU

Year: 6665 Days

Day: 14.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,682,010 km

• M1: 125,662 km (0.077 R)
• M2: 486,941 km (0.098 R)
• M3: 1,108,969 km (0.088 R)
• M4: 1,872,217 km (0.114 R)
• M5: 2,450,413 km (0.041 R)
• M6: 3,143,799 km (0.113 R)
• M7: 4,947,800 km (0.117 R)
• M8: 6,224,917 km (0.082 R)
• M9: 6,940,444 km (0.084 R)
• M10: 7,395,371 km (0.071 R)
• M11: 8,706,895 km (0.09 R)
• M12: 11,159,104 km (0.088 R)
• M13: 12,543,333 km (0.064 R)
• M14: 13,219,515 km (0.075 R)
• M15: 14,461,177 km (0.11 R)
• M16: 15,267,659 km (0.099 R)
• M17: 15,843,462 km (0.08 R)
• M18: 16,500,047 km (0.089 R)
• M19: 17,243,249 km (0.099 R)
• M20: 18,292,379 km (0.117 R)
• M21: 19,235,743 km (0.104 R)
• M22: 20,672,182 km (0.081 R)
• M23: 21,218,962 km (0.117 R)
• M24: 22,097,700 km (0.046 R)
• M25: 23,757,488 km (0.03 R)
• M26: 25,677,278 km (0.06 R)
• M27: 26,859,250 km (0.116 R)
• M28: 28,363,307 km (0.093 R)
• M29: 31,847,741 km (0.059 R)
• M30: 33,853,998 km (0.103 R)
• M31: 34,178,326 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.5

Radius: 7.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.9 AU - 8.14 AU

Year: 13752 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,682,010 km

• M1: 98,735 km (0.072 R)
• M2: 457,470 km (0.049 R)
• M3: 1,119,890 km (0.114 R)
• M4: 1,786,498 km (0.08 R)
• M5: 3,967,485 km (0.069 R)
• M6: 5,905,077 km (0.069 R)
• M7: 7,699,054 km (0.104 R)
• M8: 9,963,517 km (0.063 R)
• M9: 14,636,805 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993

Radius: 3.7

Gravity: 72.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.62 AU - 8.28 AU

Year: 14948 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,682,010 km

• M1: 48,171 km (0.078 R)
• M2: 194,627 km (0.047 R)
• M3: 406,607 km (0.119 R)
• M4: 886,068 km (0.116 R)
• M5: 1,050,476 km (0.048 R)
• M6: 1,193,791 km (0.119 R)
• M7: 1,320,650 km (0.096 R)
• M8: 3,724,089 km (0.027 R)
• M9: 5,185,212 km (0.066 R)
• M10: 5,680,979 km (0.116 R)
• M11: 7,546,315 km (0.06 R)
• M12: 10,899,102 km (0.099 R)
• M13: 12,761,446 km (0.081 R)
• M14: 13,803,096 km (0.078 R)
• M15: 14,308,139 km (0.075 R)
• M16: 15,202,435 km (0.04 R)
• M17: 18,451,701 km (0.108 R)
• M18: 19,420,347 km (0.104 R)
• M19: 22,429,807 km (0.074 R)
• M20: 23,838,869 km (0.088 R)
• M21: 27,166,674 km (0.083 R)
• M22: 30,548,334 km (0.112 R)
• M23: 31,404,632 km (0.085 R)
• M24: 33,293,156 km (0.076 R)
• M25: 33,679,717 km (0.066 R)
• M26: 44,812,491 km (0.086 R)
• M27: 46,878,288 km (0.067 R)
• M28: 48,180,687 km (0.037 R)
• M29: 52,232,097 km (0.105 R)
• M30: 52,405,630 km (0.059 R)
• M31: 53,455,209 km (0.107 R)
• M32: 57,054,534 km (0.104 R)
• M33: 58,725,691 km (0.087 R)
• M34: 60,238,425 km (0.117 R)
• M35: 62,360,321 km (0.074 R)
• M36: 62,947,642 km (0.104 R)
• M37: 64,531,585 km (0.117 R)
• M38: 65,132,370 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758

Radius: 5.6

Gravity: 24.17 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.58 AU - 9.82 AU

Year: 15659 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,682,010 km

• M1: 71,508 km (0.025 R)
• M2: 348,413 km (0.105 R)
• M3: 564,882 km (0.118 R)
• M4: 761,603 km (0.101 R)
• M5: 1,164,021 km (0.099 R)
• M6: 1,945,969 km (0.044 R)
• M7: 2,469,711 km (0.12 R)
• M8: 2,788,205 km (0.079 R)
• M9: 4,343,873 km (0.117 R)
• M10: 5,994,536 km (0.078 R)
• M11: 7,783,278 km (0.057 R)
• M12: 9,405,966 km (0.099 R)
• M13: 9,678,384 km (0.114 R)
• M14: 11,987,577 km (0.119 R)
• M15: 14,423,030 km (0.093 R)
• M16: 15,986,178 km (0.076 R)
• M17: 16,296,294 km (0.067 R)
• M18: 16,848,460 km (0.12 R)
• M19: 20,792,010 km (0.098 R)
• M20: 21,629,459 km (0.108 R)
• M21: 23,371,526 km (0.085 R)
• M22: 26,913,405 km (0.093 R)
• M23: 27,795,883 km (0.113 R)
• M24: 33,247,528 km (0.076 R)
• M25: 36,892,331 km (0.119 R)
• M26: 41,373,685 km (0.066 R)
• M27: 42,252,423 km (0.109 R)
• M28: 44,047,298 km (0.086 R)
• M29: 46,204,649 km (0.063 R)
• M30: 48,109,030 km (0.115 R)
• M31: 52,754,941 km (0.117 R)
• M32: 53,442,194 km (0.112 R)
• M33: 55,362,731 km (0.059 R)
• M34: 57,691,222 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.6

Radius: 3.4

Gravity: 79.64 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.22 AU - 11.4 AU

Year: 22076 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,682,010 km

• M1: 42,336 km (0.062 R)
• M2: 556,354 km (0.099 R)
• M3: 666,907 km (0.115 R)
• M4: 781,200 km (0.11 R)
• M5: 908,508 km (0.049 R)
• M6: 2,343,600 km (0.119 R)
• M7: 2,585,650 km (0.113 R)
• M8: 2,979,541 km (0.053 R)
• M9: 3,176,561 km (0.098 R)
• M10: 3,755,355 km (0.086 R)
• M11: 4,437,073 km (0.104 R)
• M12: 5,318,803 km (0.054 R)
• M13: 5,651,060 km (0.101 R)
• M14: 6,589,038 km (0.067 R)
• M15: 7,070,295 km (0.102 R)
• M16: 8,102,221 km (0.114 R)
• M17: 11,793,698 km (0.119 R)
• M18: 13,463,210 km (0.074 R)
• M19: 16,468,781 km (0.087 R)
• M20: 16,994,917 km (0.115 R)
• M21: 18,080,548 km (0.073 R)
• M22: 19,991,212 km (0.1 R)
• M23: 25,696,426 km (0.056 R)
• M24: 28,103,755 km (0.12 R)
• M25: 30,264,696 km (0.099 R)
• M26: 32,261,080 km (0.075 R)
• M27: 37,557,293 km (0.072 R)
• M28: 40,489,262 km (0.037 R)
• M29: 44,238,185 km (0.05 R)
• M30: 56,463,622 km (0.075 R)
• M31: 58,664,207 km (0.086 R)
• M32: 64,091,318 km (0.038 R)
• M33: 64,738,329 km (0.04 R)
• M34: 77,383,538 km (0.105 R)
• M35: 77,627,532 km (0.097 R)
• M36: 79,597,885 km (0.092 R)
• M37: 82,107,390 km (0.082 R)
• M38: 88,078,140 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 17,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit