🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.4

Radius: 12.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.61 AU - 0.89 AU

Year: 441 Days

Day: 8.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 74,199,148 km

• M1: 159,471 km (0.084 R)
• M2: 744,249 km (0.076 R)
• M3: 1,332,468 km (0.04 R)
• M4: 2,408,675 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 14.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.16 AU - 1.52 AU

Year: 1052 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,199,148 km

• M1: 176,077 km (0.115 R)
• M2: 649,255 km (0.117 R)
• M3: 1,186,610 km (0.118 R)
• M4: 1,718,431 km (0.07 R)
• M5: 2,496,788 km (0.088 R)
• M6: 3,212,465 km (0.075 R)
• M7: 4,300,041 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 12.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.7 AU - 2.83 AU

Year: 2304 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,199,148 km

• M1: 157,975 km (0.11 R)
• M2: 666,010 km (0.062 R)
• M3: 1,362,238 km (0.112 R)
• M4: 2,473,750 km (0.044 R)
• M5: 3,259,289 km (0.075 R)
• M6: 3,767,622 km (0.057 R)
• M7: 4,847,719 km (0.108 R)
• M8: 5,325,684 km (0.086 R)
• M9: 5,769,541 km (0.076 R)
• M10: 6,330,383 km (0.036 R)
• M11: 6,756,438 km (0.06 R)
• M12: 7,987,479 km (0.086 R)
• M13: 10,235,038 km (0.116 R)
• M14: 11,126,641 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 9.7

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.18 AU - 2.48 AU

Year: 2412 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,199,148 km

• M1: 120,725 km (0.089 R)
• M2: 685,009 km (0.079 R)
• M3: 1,048,681 km (0.065 R)
• M4: 1,491,491 km (0.059 R)
• M5: 2,094,819 km (0.085 R)
• M6: 2,460,735 km (0.101 R)
• M7: 3,149,484 km (0.09 R)
• M8: 3,670,234 km (0.112 R)
• M9: 4,143,861 km (0.072 R)
• M10: 4,613,299 km (0.08 R)
• M11: 5,000,159 km (0.056 R)
• M12: 5,532,877 km (0.105 R)
• M13: 6,972,458 km (0.047 R)
• M14: 7,300,077 km (0.114 R)
• M15: 7,700,550 km (0.111 R)
• M16: 8,312,256 km (0.095 R)
• M17: 8,681,015 km (0.083 R)
• M18: 9,596,255 km (0.097 R)
• M19: 9,964,864 km (0.068 R)
• M20: 10,381,344 km (0.091 R)
• M21: 10,770,000 km (0.087 R)
• M22: 12,207,186 km (0.105 R)
• M23: 12,640,422 km (0.096 R)
• M24: 15,408,281 km (0.097 R)
• M25: 16,223,440 km (0.082 R)
• M26: 18,899,148 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.99 AU - 3.03 AU

Year: 2697 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,199,148 km

• M1: 172,486 km (0.116 R)
• M2: 607,816 km (0.026 R)
• M3: 1,072,916 km (0.096 R)
• M4: 1,845,739 km (0.046 R)
• M5: 2,281,966 km (0.027 R)
• M6: 2,868,689 km (0.098 R)
• M7: 3,807,266 km (0.119 R)
• M8: 4,823,634 km (0.112 R)
• M9: 5,588,228 km (0.11 R)
• M10: 7,020,628 km (0.073 R)
• M11: 7,806,765 km (0.078 R)
• M12: 9,369,015 km (0.108 R)
• M13: 10,204,819 km (0.114 R)
• M14: 11,007,262 km (0.085 R)
• M15: 11,466,228 km (0.103 R)
• M16: 12,512,366 km (0.094 R)
• M17: 13,764,201 km (0.114 R)
• M18: 14,544,503 km (0.117 R)
• M19: 16,897,977 km (0.069 R)
• M20: 18,310,031 km (0.095 R)
• M21: 18,896,455 km (0.084 R)
• M22: 19,983,433 km (0.097 R)
• M23: 21,626,766 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.2

Radius: 10.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.57 AU - 5.85 AU

Year: 8066 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,199,148 km

• M1: 130,599 km (0.078 R)
• M2: 598,541 km (0.099 R)
• M3: 1,417,141 km (0.095 R)
• M4: 2,124,290 km (0.119 R)
• M5: 3,632,236 km (0.086 R)
• M6: 4,231,376 km (0.088 R)
• M7: 4,924,313 km (0.116 R)
• M8: 7,156,313 km (0.115 R)
• M9: 7,657,017 km (0.114 R)
• M10: 9,211,339 km (0.08 R)
• M11: 9,991,791 km (0.073 R)
• M12: 11,476,101 km (0.066 R)
• M13: 12,109,200 km (0.069 R)
• M14: 15,250,306 km (0.088 R)
• M15: 16,806,573 km (0.092 R)
• M16: 17,485,298 km (0.104 R)
• M17: 18,252,885 km (0.116 R)
• M18: 19,335,674 km (0.094 R)
• M19: 23,338,016 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.6

Radius: 6.1

Gravity: 21.54 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.87 AU - 7.63 AU

Year: 10598 Days

Day: 15.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,199,148 km

• M1: 89,011 km (0.073 R)
• M2: 282,590 km (0.066 R)
• M3: 626,516 km (0.076 R)
• M4: 856,298 km (0.083 R)
• M5: 1,264,102 km (0.108 R)
• M6: 1,477,279 km (0.034 R)
• M7: 1,668,166 km (0.111 R)
• M8: 2,154,808 km (0.11 R)
• M9: 2,481,380 km (0.109 R)
• M10: 3,021,428 km (0.092 R)
• M11: 3,507,322 km (0.106 R)
• M12: 3,715,862 km (0.115 R)
• M13: 4,917,432 km (0.111 R)
• M14: 6,244,066 km (0.089 R)
• M15: 7,154,069 km (0.118 R)
• M16: 7,749,469 km (0.073 R)
• M17: 12,271,214 km (0.084 R)
• M18: 14,209,853 km (0.086 R)
• M19: 14,540,614 km (0.094 R)
• M20: 15,703,737 km (0.115 R)
• M21: 17,075,400 km (0.084 R)
• M22: 17,299,199 km (0.096 R)
• M23: 19,079,563 km (0.112 R)
• M24: 22,017,665 km (0.096 R)
• M25: 22,282,752 km (0.071 R)
• M26: 24,955,917 km (0.058 R)
• M27: 28,983,391 km (0.084 R)
• M28: 30,598,898 km (0.107 R)
• M29: 33,773,664 km (0.06 R)
• M30: 34,481,412 km (0.096 R)
• M31: 39,976,590 km (0.111 R)
• M32: 41,436,217 km (0.066 R)
• M33: 45,026,865 km (0.079 R)
• M34: 45,740,447 km (0.044 R)

Asteroid Belt

Center: 7.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969

Radius: 6.7

Gravity: 21.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.19 AU - 9.67 AU

Year: 19641 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,199,148 km

• M1: 83,326 km (0.036 R)
• M2: 497,563 km (0.042 R)
• M3: 727,794 km (0.113 R)
• M4: 1,599,500 km (0.062 R)
• M5: 2,428,572 km (0.038 R)
• M6: 2,643,843 km (0.072 R)
• M7: 2,950,668 km (0.115 R)
• M8: 4,529,076 km (0.102 R)
• M9: 4,894,394 km (0.075 R)
• M10: 5,560,254 km (0.082 R)
• M11: 6,418,945 km (0.104 R)
• M12: 6,693,158 km (0.109 R)
• M13: 7,714,613 km (0.072 R)
• M14: 8,396,779 km (0.069 R)
• M15: 9,582,791 km (0.12 R)
• M16: 9,820,651 km (0.072 R)
• M17: 12,634,438 km (0.044 R)
• M18: 13,805,789 km (0.102 R)
• M19: 14,417,944 km (0.116 R)
• M20: 14,968,165 km (0.05 R)
• M21: 19,693,363 km (0.081 R)
• M22: 21,264,141 km (0.117 R)
• M23: 27,062,105 km (0.114 R)
• M24: 29,498,606 km (0.071 R)
• M25: 30,257,067 km (0.068 R)
• M26: 35,083,543 km (0.104 R)
• M27: 38,872,109 km (0.08 R)
• M28: 49,873,088 km (0.096 R)
• M29: 51,674,844 km (0.111 R)
• M30: 53,519,386 km (0.057 R)
• M31: 53,893,531 km (0.032 R)
• M32: 61,337,221 km (0.1 R)
• M33: 62,987,136 km (0.085 R)
• M34: 69,659,949 km (0.118 R)
• M35: 69,882,701 km (0.112 R)
• M36: 70,553,797 km (0.066 R)
• M37: 82,630,533 km (0.104 R)
• M38: 84,388,608 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.4

Radius: 6.1

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.57 AU - 10.31 AU

Year: 21255 Days

Day: 15.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,199,148 km

• M1: 78,090 km (0.114 R)
• M2: 402,867 km (0.084 R)
• M3: 660,026 km (0.088 R)
• M4: 920,177 km (0.054 R)
• M5: 1,378,694 km (0.106 R)
• M6: 2,459,539 km (0.06 R)
• M7: 3,119,564 km (0.108 R)
• M8: 3,621,316 km (0.089 R)
• M9: 3,860,971 km (0.085 R)
• M10: 5,725,859 km (0.087 R)
• M11: 6,875,518 km (0.075 R)
• M12: 7,385,198 km (0.114 R)
• M13: 8,019,792 km (0.093 R)
• M14: 10,082,896 km (0.1 R)
• M15: 11,299,576 km (0.105 R)
• M16: 12,074,792 km (0.066 R)
• M17: 13,233,128 km (0.111 R)
• M18: 14,094,064 km (0.097 R)
• M19: 18,787,249 km (0.119 R)
• M20: 20,715,116 km (0.109 R)
• M21: 22,771,040 km (0.073 R)
• M22: 23,796,384 km (0.093 R)
• M23: 26,159,581 km (0.116 R)
• M24: 27,627,136 km (0.077 R)
• M25: 29,387,754 km (0.099 R)
• M26: 29,869,459 km (0.106 R)
• M27: 30,725,308 km (0.034 R)
• M28: 33,521,592 km (0.082 R)
• M29: 33,783,986 km (0.062 R)
• M30: 34,179,972 km (0.089 R)
• M31: 35,658,597 km (0.049 R)
• M32: 35,932,062 km (0.109 R)
• M33: 36,621,559 km (0.074 R)
• M34: 45,116,474 km (0.1 R)
• M35: 50,416,726 km (0.091 R)
• M36: 53,931,828 km (0.069 R)
• M37: 55,932,998 km (0.118 R)
• M38: 59,313,611 km (0.059 R)
• M39: 66,272,156 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 19,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit