🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 10.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,549,436 km

• M1: 129,402 km (0.106 R)
• M2: 560,842 km (0.087 R)
• M3: 982,858 km (0.109 R)
• M4: 1,393,654 km (0.027 R)
• M5: 1,841,550 km (0.12 R)
• M6: 2,357,214 km (0.111 R)
• M7: 3,310,152 km (0.092 R)
• M8: 3,766,725 km (0.094 R)
• M9: 4,333,850 km (0.062 R)
• M10: 4,689,145 km (0.102 R)
• M11: 5,507,446 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 9.6

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.59 AU - 0.95 AU

Year: 466 Days

Day: 10.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,549,436 km

• M1: 119,379 km (0.1 R)
• M2: 607,068 km (0.083 R)
• M3: 997,967 km (0.028 R)
• M4: 1,319,154 km (0.108 R)
• M5: 1,681,630 km (0.057 R)
• M6: 2,284,060 km (0.111 R)
• M7: 2,874,972 km (0.081 R)
• M8: 3,480,394 km (0.112 R)
• M9: 4,403,114 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 8.7

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.62 AU - 1.8 AU

Year: 1543 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,549,436 km

• M1: 108,159 km (0.075 R)
• M2: 433,086 km (0.038 R)
• M3: 816,356 km (0.102 R)
• M4: 1,116,449 km (0.106 R)
• M5: 1,447,659 km (0.051 R)
• M6: 1,803,702 km (0.088 R)
• M7: 2,148,225 km (0.098 R)
• M8: 2,523,866 km (0.116 R)
• M9: 2,802,866 km (0.104 R)
• M10: 3,851,996 km (0.111 R)
• M11: 4,278,649 km (0.053 R)
• M12: 4,977,869 km (0.098 R)
• M13: 5,269,585 km (0.081 R)
• M14: 5,728,551 km (0.049 R)
• M15: 6,095,964 km (0.074 R)
• M16: 7,346,751 km (0.101 R)
• M17: 7,948,135 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 10.2

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.37 AU - 2.21 AU

Year: 1653 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,549,436 km

• M1: 126,859 km (0.103 R)
• M2: 465,249 km (0.079 R)
• M3: 789,278 km (0.1 R)
• M4: 2,037,373 km (0.108 R)
• M5: 2,806,456 km (0.079 R)
• M6: 3,250,463 km (0.048 R)
• M7: 3,639,267 km (0.038 R)
• M8: 4,375,439 km (0.098 R)
• M9: 5,515,524 km (0.098 R)
• M10: 5,905,226 km (0.105 R)
• M11: 6,536,829 km (0.075 R)
• M12: 7,266,717 km (0.116 R)
• M13: 9,138,784 km (0.12 R)
• M14: 9,620,340 km (0.082 R)
• M15: 12,675,876 km (0.072 R)
• M16: 13,073,358 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 9.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.92 AU - 2.44 AU

Year: 2222 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,549,436 km

• M1: 122,820 km (0.088 R)
• M2: 531,072 km (0.116 R)
• M3: 1,220,719 km (0.093 R)
• M4: 1,995,037 km (0.064 R)
• M5: 2,996,146 km (0.114 R)
• M6: 3,584,515 km (0.1 R)
• M7: 4,105,564 km (0.105 R)
• M8: 5,468,999 km (0.117 R)
• M9: 5,886,377 km (0.087 R)
• M10: 8,764,341 km (0.112 R)
• M11: 10,095,762 km (0.09 R)
• M12: 12,544,380 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 8.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.31 AU - 3.83 AU

Year: 3713 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,549,436 km

• M1: 117,584 km (0.112 R)
• M2: 433,983 km (0.056 R)
• M3: 1,006,943 km (0.103 R)
• M4: 1,301,501 km (0.056 R)
• M5: 1,576,911 km (0.11 R)
• M6: 2,360,954 km (0.117 R)
• M7: 2,762,025 km (0.094 R)
• M8: 3,754,009 km (0.102 R)
• M9: 4,799,698 km (0.099 R)
• M10: 5,268,388 km (0.089 R)
• M11: 6,247,805 km (0.087 R)
• M12: 8,686,400 km (0.085 R)
• M13: 9,579,649 km (0.113 R)
• M14: 10,048,639 km (0.044 R)
• M15: 11,178,102 km (0.11 R)
• M16: 13,396,190 km (0.083 R)
• M17: 14,850,730 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.3

Radius: 8.7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.96 AU - 6.08 AU

Year: 7764 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 120.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,549,436 km

• M1: 108,159 km (0.09 R)
• M2: 472,430 km (0.056 R)
• M3: 938,727 km (0.059 R)
• M4: 1,485,806 km (0.112 R)
• M5: 1,803,702 km (0.1 R)
• M6: 2,183,082 km (0.072 R)
• M7: 2,578,768 km (0.064 R)
• M8: 3,208,426 km (0.118 R)
• M9: 4,855,648 km (0.08 R)
• M10: 7,002,228 km (0.073 R)
• M11: 7,905,200 km (0.071 R)
• M12: 9,446,657 km (0.068 R)
• M13: 9,941,227 km (0.081 R)
• M14: 10,311,632 km (0.094 R)
• M15: 11,783,525 km (0.094 R)
• M16: 12,093,941 km (0.098 R)
• M17: 14,777,577 km (0.047 R)
• M18: 17,902,377 km (0.116 R)
• M19: 19,011,197 km (0.106 R)
• M20: 26,203,563 km (0.078 R)
• M21: 29,016,601 km (0.117 R)
• M22: 29,299,192 km (0.066 R)
• M23: 30,934,745 km (0.079 R)
• M24: 35,880,301 km (0.086 R)
• M25: 36,752,756 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.3

Radius: 7.5

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.01 AU - 6.15 AU

Year: 10348 Days

Day: 17.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,549,436 km

• M1: 95,443 km (0.114 R)
• M2: 345,721 km (0.028 R)
• M3: 794,813 km (0.057 R)
• M4: 1,116,000 km (0.061 R)
• M5: 3,954,769 km (0.051 R)
• M6: 4,352,101 km (0.045 R)
• M7: 8,688,944 km (0.099 R)
• M8: 9,709,650 km (0.066 R)
• M9: 13,126,016 km (0.085 R)
• M10: 13,563,141 km (0.079 R)
• M11: 17,046,677 km (0.062 R)
• M12: 19,674,364 km (0.056 R)
• M13: 22,560,406 km (0.06 R)
• M14: 23,826,752 km (0.102 R)
• M15: 28,011,902 km (0.098 R)
• M16: 31,537,924 km (0.056 R)
• M17: 32,209,319 km (0.112 R)
• M18: 34,752,782 km (0.106 R)
• M19: 40,104,945 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.5

Radius: 5.3

Gravity: 31.24 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.04 AU - 10.02 AU

Year: 15707 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,549,436 km

• M1: 68,366 km (0.087 R)
• M2: 359,184 km (0.116 R)
• M3: 1,001,408 km (0.113 R)
• M4: 1,762,113 km (0.107 R)
• M5: 2,179,791 km (0.106 R)
• M6: 4,234,517 km (0.067 R)
• M7: 4,874,048 km (0.119 R)
• M8: 5,498,769 km (0.094 R)
• M9: 6,258,577 km (0.117 R)
• M10: 7,315,635 km (0.087 R)
• M11: 8,797,701 km (0.029 R)
• M12: 9,553,470 km (0.11 R)
• M13: 11,757,944 km (0.108 R)
• M14: 12,407,348 km (0.116 R)
• M15: 12,740,951 km (0.091 R)
• M16: 12,943,806 km (0.048 R)
• M17: 15,093,976 km (0.078 R)
• M18: 16,895,584 km (0.063 R)
• M19: 17,721,813 km (0.063 R)
• M20: 20,453,918 km (0.116 R)
• M21: 23,252,446 km (0.117 R)
• M22: 25,861,283 km (0.071 R)
• M23: 31,159,142 km (0.088 R)
• M24: 32,525,270 km (0.083 R)
• M25: 34,321,043 km (0.112 R)
• M26: 36,725,679 km (0.114 R)
• M27: 40,685,535 km (0.107 R)
• M28: 42,316,151 km (0.11 R)
• M29: 42,768,236 km (0.075 R)
• M30: 48,612,426 km (0.074 R)
• M31: 48,942,739 km (0.102 R)
• M32: 53,724,635 km (0.117 R)
• M33: 55,685,414 km (0.052 R)
• M34: 58,621,721 km (0.104 R)
• M35: 59,560,148 km (0.097 R)
• M36: 65,201,035 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.8

Radius: 3.3

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.97 AU - 10.01 AU

Year: 18606 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,549,436 km

• M1: 41,588 km (0.09 R)
• M2: 358,137 km (0.094 R)
• M3: 639,232 km (0.111 R)
• M4: 1,050,775 km (0.1 R)
• M5: 1,736,682 km (0.106 R)
• M6: 1,926,073 km (0.107 R)
• M7: 3,019,633 km (0.094 R)
• M8: 6,588,739 km (0.11 R)
• M9: 7,530,158 km (0.114 R)
• M10: 7,820,827 km (0.082 R)
• M11: 21,142,667 km (0.118 R)
• M12: 24,949,783 km (0.102 R)
• M13: 32,014,992 km (0.087 R)
• M14: 44,331,683 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 17,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit