🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 11

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 13.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,349,666 km

• M1: 136,732 km (0.112 R)
• M2: 532,419 km (0.106 R)
• M3: 880,982 km (0.11 R)
• M4: 1,346,082 km (0.095 R)
• M5: 1,809,985 km (0.107 R)
• M6: 2,586,098 km (0.09 R)
• M7: 3,207,827 km (0.072 R)
• M8: 3,615,781 km (0.047 R)
• M9: 3,998,153 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.4

Radius: 12.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,349,666 km

• M1: 154,235 km (0.109 R)
• M2: 962,363 km (0.084 R)
• M3: 2,284,659 km (0.096 R)
• M4: 2,702,186 km (0.056 R)
• M5: 3,450,475 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 10.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.79 AU - 1.05 AU

Year: 588 Days

Day: 5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,349,666 km

• M1: 130,599 km (0.097 R)
• M2: 583,880 km (0.11 R)
• M3: 1,168,210 km (0.104 R)
• M4: 1,614,909 km (0.068 R)
• M5: 2,031,389 km (0.106 R)
• M6: 3,782,732 km (0.116 R)
• M7: 4,425,853 km (0.09 R)
• M8: 4,833,657 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 8.1

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.93 AU - 1.11 AU

Year: 687 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,349,666 km

• M1: 100,829 km (0.109 R)
• M2: 398,678 km (0.087 R)
• M3: 658,081 km (0.078 R)
• M4: 916,137 km (0.102 R)
• M5: 1,243,757 km (0.055 R)
• M6: 1,593,816 km (0.111 R)
• M7: 1,936,544 km (0.061 R)
• M8: 2,257,581 km (0.074 R)
• M9: 2,537,629 km (0.108 R)
• M10: 3,056,584 km (0.12 R)
• M11: 4,061,881 km (0.094 R)
• M12: 4,383,666 km (0.106 R)
• M13: 4,722,506 km (0.065 R)
• M14: 5,308,181 km (0.077 R)
• M15: 6,038,668 km (0.102 R)
• M16: 6,665,632 km (0.103 R)
• M17: 7,049,351 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.8

Radius: 9.8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.05 AU - 1.27 AU

Year: 833 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,349,666 km

• M1: 122,371 km (0.037 R)
• M2: 445,203 km (0.107 R)
• M3: 812,616 km (0.101 R)
• M4: 1,135,747 km (0.074 R)
• M5: 1,484,460 km (0.096 R)
• M6: 2,154,359 km (0.08 R)
• M7: 2,502,922 km (0.088 R)
• M8: 3,065,111 km (0.119 R)
• M9: 3,522,731 km (0.108 R)
• M10: 3,918,118 km (0.093 R)
• M11: 4,746,292 km (0.054 R)
• M12: 5,156,339 km (0.107 R)
• M13: 5,589,724 km (0.039 R)
• M14: 6,295,976 km (0.109 R)
• M15: 6,880,455 km (0.048 R)
• M16: 7,430,077 km (0.087 R)
• M17: 8,359,828 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 14.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.67 AU - 2.25 AU

Year: 1830 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,349,666 km

• M1: 176,525 km (0.071 R)
• M2: 732,730 km (0.079 R)
• M3: 1,233,434 km (0.097 R)
• M4: 1,733,690 km (0.114 R)
• M5: 2,346,742 km (0.051 R)
• M6: 3,253,454 km (0.108 R)
• M7: 4,853,703 km (0.093 R)
• M8: 6,326,494 km (0.112 R)
• M9: 6,878,510 km (0.082 R)
• M10: 8,079,631 km (0.11 R)
• M11: 8,822,086 km (0.116 R)
• M12: 10,272,886 km (0.119 R)
• M13: 11,952,720 km (0.112 R)
• M14: 13,237,168 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 14

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.36 AU - 3.54 AU

Year: 4273 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,349,666 km

• M1: 174,132 km (0.084 R)
• M2: 660,923 km (0.105 R)
• M3: 1,214,884 km (0.093 R)
• M4: 1,882,240 km (0.086 R)
• M5: 2,692,762 km (0.096 R)
• M6: 3,153,523 km (0.108 R)
• M7: 3,924,999 km (0.088 R)
• M8: 6,283,410 km (0.1 R)
• M9: 7,993,762 km (0.061 R)
• M10: 9,209,993 km (0.046 R)
• M11: 9,654,299 km (0.105 R)
• M12: 10,112,816 km (0.085 R)
• M13: 12,719,409 km (0.035 R)
• M14: 13,506,294 km (0.075 R)
• M15: 14,178,288 km (0.057 R)
• M16: 17,651,950 km (0.08 R)
• M17: 18,926,075 km (0.092 R)
• M18: 19,829,497 km (0.098 R)
• M19: 21,334,302 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 10.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.11 AU - 5.09 AU

Year: 6579 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,349,666 km

• M1: 129,402 km (0.073 R)
• M2: 694,733 km (0.056 R)
• M3: 1,045,988 km (0.071 R)
• M4: 1,440,478 km (0.057 R)
• M5: 2,262,069 km (0.03 R)
• M6: 2,701,438 km (0.114 R)
• M7: 3,265,871 km (0.061 R)
• M8: 3,810,707 km (0.083 R)
• M9: 4,248,131 km (0.09 R)
• M10: 4,630,652 km (0.073 R)
• M11: 5,790,485 km (0.115 R)
• M12: 7,282,275 km (0.1 R)
• M13: 10,734,395 km (0.053 R)
• M14: 12,748,880 km (0.034 R)
• M15: 14,570,833 km (0.091 R)
• M16: 15,100,858 km (0.071 R)
• M17: 18,837,065 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537

Radius: 3.4

Gravity: 46.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.42 AU - 7.16 AU

Year: 11799 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,349,666 km

• M1: 42,785 km (0.068 R)
• M2: 166,353 km (0.08 R)
• M3: 280,346 km (0.088 R)
• M4: 666,010 km (0.044 R)
• M5: 794,365 km (0.05 R)
• M6: 959,820 km (0.073 R)
• M7: 1,067,680 km (0.065 R)
• M8: 1,568,833 km (0.039 R)
• M9: 1,782,159 km (0.073 R)
• M10: 2,642,497 km (0.107 R)
• M11: 3,721,546 km (0.096 R)
• M12: 3,908,095 km (0.113 R)
• M13: 4,072,952 km (0.045 R)
• M14: 5,064,187 km (0.063 R)
• M15: 5,632,809 km (0.119 R)
• M16: 6,777,232 km (0.045 R)
• M17: 7,096,025 km (0.105 R)
• M18: 7,341,516 km (0.053 R)
• M19: 7,720,447 km (0.054 R)
• M20: 8,655,134 km (0.09 R)
• M21: 10,961,186 km (0.028 R)
• M22: 11,400,106 km (0.094 R)
• M23: 11,567,655 km (0.119 R)
• M24: 12,022,582 km (0.114 R)
• M25: 13,645,869 km (0.038 R)
• M26: 14,025,548 km (0.058 R)
• M27: 16,310,656 km (0.053 R)
• M28: 20,103,859 km (0.099 R)
• M29: 20,843,771 km (0.029 R)
• M30: 22,552,777 km (0.099 R)
• M31: 23,621,653 km (0.067 R)
• M32: 25,477,415 km (0.038 R)
• M33: 28,439,902 km (0.068 R)
• M34: 31,186,219 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 18,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit