🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 14.9

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.75 AU - 1.07 AU

Year: 579 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 69,918,966 km

• M1: 185,651 km (0.041 R)
• M2: 1,042,697 km (0.091 R)
• M3: 1,794,426 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.2

Radius: 12

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.9 AU - 5.16 AU

Year: 6429 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,918,966 km

• M1: 149,299 km (0.059 R)
• M2: 572,960 km (0.101 R)
• M3: 1,300,155 km (0.097 R)
• M4: 1,836,463 km (0.033 R)
• M5: 2,408,675 km (0.045 R)
• M6: 3,171,475 km (0.111 R)
• M7: 3,599,774 km (0.115 R)
• M8: 4,315,450 km (0.034 R)
• M9: 4,944,210 km (0.071 R)
• M10: 7,603,761 km (0.11 R)
• M11: 10,244,911 km (0.103 R)
• M12: 11,455,158 km (0.05 R)
• M13: 13,247,191 km (0.08 R)
• M14: 14,735,390 km (0.062 R)
• M15: 15,602,759 km (0.09 R)
• M16: 18,471,447 km (0.05 R)
• M17: 20,724,541 km (0.101 R)
• M18: 25,538,301 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 8.5

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.45 AU - 5.77 AU

Year: 7703 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,918,966 km

• M1: 143,913 km (0.111 R)
• M2: 600,187 km (0.058 R)
• M3: 1,128,866 km (0.104 R)
• M4: 1,404,574 km (0.083 R)
• M5: 2,080,308 km (0.109 R)
• M6: 2,537,030 km (0.097 R)
• M7: 3,581,672 km (0.11 R)
• M8: 3,864,711 km (0.047 R)
• M9: 4,137,279 km (0.115 R)
• M10: 4,422,711 km (0.106 R)
• M11: 4,833,058 km (0.106 R)
• M12: 5,238,917 km (0.114 R)
• M13: 6,218,783 km (0.117 R)
• M14: 6,876,865 km (0.086 R)
• M15: 7,930,333 km (0.096 R)
• M16: 9,934,944 km (0.031 R)
• M17: 10,260,020 km (0.089 R)
• M18: 11,479,243 km (0.102 R)
• M19: 13,400,828 km (0.099 R)
• M20: 14,261,315 km (0.105 R)
• M21: 15,280,675 km (0.093 R)
• M22: 15,902,553 km (0.068 R)
• M23: 16,866,861 km (0.052 R)
• M24: 17,598,394 km (0.09 R)
• M25: 18,074,714 km (0.088 R)
• M26: 19,411,371 km (0.049 R)
• M27: 20,288,762 km (0.063 R)
• M28: 20,587,061 km (0.079 R)
• M29: 23,404,736 km (0.114 R)
• M30: 27,822,212 km (0.064 R)
• M31: 28,562,123 km (0.083 R)
• M32: 29,792,266 km (0.111 R)
• M33: 33,694,527 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.8

Radius: 7.6

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.36 AU - 6.9 AU

Year: 10121 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,918,966 km

• M1: 95,443 km (0.071 R)
• M2: 1,296,714 km (0.087 R)
• M3: 1,595,910 km (0.048 R)
• M4: 2,581,760 km (0.085 R)
• M5: 3,285,618 km (0.068 R)
• M6: 4,004,286 km (0.119 R)
• M7: 4,386,808 km (0.084 R)
• M8: 5,852,119 km (0.113 R)
• M9: 8,960,164 km (0.078 R)
• M10: 9,954,990 km (0.056 R)
• M11: 11,339,668 km (0.025 R)
• M12: 17,661,525 km (0.064 R)
• M13: 19,680,797 km (0.095 R)
• M14: 26,276,567 km (0.097 R)
• M15: 31,691,860 km (0.108 R)
• M16: 38,288,528 km (0.118 R)
• M17: 41,649,394 km (0.102 R)
• M18: 44,128,978 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.4

Radius: 5.7

Gravity: 27.59 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.38 AU - 9.08 AU

Year: 14332 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 69,918,966 km

• M1: 70,909 km (0.079 R)
• M2: 415,583 km (0.061 R)
• M3: 619,634 km (0.077 R)
• M4: 1,026,092 km (0.095 R)
• M5: 1,677,890 km (0.117 R)
• M6: 1,868,328 km (0.058 R)
• M7: 2,398,652 km (0.069 R)
• M8: 2,664,488 km (0.085 R)
• M9: 3,125,548 km (0.046 R)
• M10: 3,581,672 km (0.087 R)
• M11: 4,268,027 km (0.115 R)
• M12: 4,460,709 km (0.037 R)
• M13: 5,742,015 km (0.104 R)
• M14: 5,977,183 km (0.053 R)
• M15: 6,894,966 km (0.108 R)
• M16: 7,160,801 km (0.089 R)
• M17: 7,387,592 km (0.071 R)
• M18: 7,855,384 km (0.06 R)
• M19: 8,194,523 km (0.118 R)
• M20: 8,492,970 km (0.065 R)
• M21: 9,217,473 km (0.115 R)
• M22: 10,907,330 km (0.093 R)
• M23: 11,825,113 km (0.097 R)
• M24: 12,270,616 km (0.101 R)
• M25: 14,023,903 km (0.075 R)
• M26: 18,950,909 km (0.114 R)
• M27: 21,563,037 km (0.11 R)
• M28: 21,751,530 km (0.049 R)
• M29: 22,131,958 km (0.045 R)
• M30: 33,270,118 km (0.057 R)
• M31: 35,977,989 km (0.095 R)
• M32: 39,248,647 km (0.087 R)
• M33: 40,524,567 km (0.084 R)
• M34: 44,670,523 km (0.099 R)
• M35: 46,217,215 km (0.055 R)
• M36: 50,405,058 km (0.096 R)
• M37: 52,590,683 km (0.118 R)
• M38: 55,366,621 km (0.095 R)
• M39: 57,150,127 km (0.063 R)
• M40: 58,056,091 km (0.107 R)
• M41: 60,643,835 km (0.081 R)
• M42: 62,156,569 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.1

Radius: 6.2

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.99 AU - 8.81 AU

Year: 14807 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,918,966 km

• M1: 78,838 km (0.114 R)
• M2: 537,356 km (0.105 R)
• M3: 832,363 km (0.09 R)
• M4: 1,180,776 km (0.042 R)
• M5: 1,425,219 km (0.08 R)
• M6: 1,786,797 km (0.117 R)
• M7: 2,208,065 km (0.093 R)
• M8: 2,516,835 km (0.111 R)
• M9: 2,715,800 km (0.043 R)
• M10: 3,350,544 km (0.109 R)
• M11: 3,990,523 km (0.08 R)
• M12: 4,808,824 km (0.102 R)
• M13: 5,257,468 km (0.092 R)
• M14: 5,809,484 km (0.108 R)
• M15: 6,158,645 km (0.082 R)
• M16: 7,071,641 km (0.112 R)
• M17: 7,515,049 km (0.114 R)
• M18: 8,166,847 km (0.113 R)
• M19: 8,457,516 km (0.105 R)
• M20: 9,059,497 km (0.096 R)
• M21: 19,509,358 km (0.067 R)
• M22: 29,196,119 km (0.048 R)
• M23: 29,876,041 km (0.081 R)
• M24: 31,149,568 km (0.063 R)
• M25: 31,385,035 km (0.115 R)
• M26: 40,812,693 km (0.104 R)
• M27: 41,094,535 km (0.046 R)
• M28: 41,948,141 km (0.07 R)
• M29: 45,028,510 km (0.1 R)
• M30: 49,365,801 km (0.05 R)
• M31: 57,258,286 km (0.116 R)
• M32: 58,859,731 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.5

Radius: 4.1

Gravity: 49.52 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.84 AU - 11.38 AU

Year: 18336 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,918,966 km

• M1: 51,462 km (0.111 R)
• M2: 223,200 km (0.09 R)
• M3: 364,720 km (0.119 R)
• M4: 833,559 km (0.05 R)
• M5: 1,525,001 km (0.071 R)
• M6: 1,918,742 km (0.075 R)
• M7: 2,223,772 km (0.115 R)
• M8: 4,915,487 km (0.105 R)
• M9: 5,406,617 km (0.089 R)
• M10: 6,398,002 km (0.114 R)
• M11: 7,122,803 km (0.09 R)
• M12: 9,227,047 km (0.086 R)
• M13: 9,681,077 km (0.115 R)
• M14: 11,323,362 km (0.089 R)
• M15: 11,516,642 km (0.025 R)
• M16: 12,653,437 km (0.115 R)
• M17: 13,356,098 km (0.094 R)
• M18: 14,084,191 km (0.104 R)
• M19: 14,915,506 km (0.059 R)
• M20: 15,382,401 km (0.072 R)
• M21: 19,108,435 km (0.109 R)
• M22: 21,276,408 km (0.106 R)
• M23: 31,208,958 km (0.044 R)
• M24: 31,843,852 km (0.083 R)
• M25: 32,229,066 km (0.118 R)
• M26: 43,208,203 km (0.07 R)
• M27: 45,602,368 km (0.092 R)
• M28: 48,252,045 km (0.081 R)
• M29: 51,177,731 km (0.117 R)
• M30: 55,877,647 km (0.03 R)
• M31: 59,101,182 km (0.1 R)
• M32: 61,648,385 km (0.094 R)
• M33: 63,454,031 km (0.072 R)
• M34: 73,682,786 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.8

Radius: 7.2

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.88 AU - 10.8 AU

Year: 20584 Days

Day: 23.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,918,966 km

• M1: 89,609 km (0.059 R)
• M2: 375,491 km (0.115 R)
• M3: 648,208 km (0.082 R)
• M4: 1,030,879 km (0.034 R)
• M5: 1,433,746 km (0.075 R)
• M6: 1,828,086 km (0.075 R)
• M7: 2,356,316 km (0.11 R)
• M8: 2,858,367 km (0.117 R)
• M9: 3,109,242 km (0.098 R)
• M10: 3,374,778 km (0.088 R)
• M11: 4,694,082 km (0.073 R)
• M12: 5,680,231 km (0.096 R)
• M13: 7,339,421 km (0.112 R)
• M14: 9,908,166 km (0.088 R)
• M15: 11,644,100 km (0.092 R)
• M16: 13,643,775 km (0.093 R)
• M17: 14,431,108 km (0.083 R)
• M18: 15,784,071 km (0.085 R)
• M19: 17,056,102 km (0.07 R)
• M20: 23,734,450 km (0.114 R)
• M21: 25,400,372 km (0.099 R)
• M22: 26,262,056 km (0.097 R)
• M23: 33,354,790 km (0.113 R)
• M24: 33,739,705 km (0.063 R)
• M25: 34,127,463 km (0.11 R)
• M26: 35,043,750 km (0.107 R)
• M27: 42,370,904 km (0.078 R)
• M28: 43,429,159 km (0.11 R)
• M29: 47,352,663 km (0.045 R)
• M30: 53,583,115 km (0.082 R)
• M31: 59,019,202 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 12,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit