🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 13.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.73 AU - 0.83 AU

Year: 467 Days

Day: 9.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,209,559 km

• M1: 164,258 km (0.102 R)
• M2: 617,989 km (0.077 R)
• M3: 1,408,314 km (0.101 R)
• M4: 1,900,342 km (0.112 R)
• M5: 3,034,742 km (0.053 R)
• M6: 4,114,989 km (0.088 R)
• M7: 5,247,893 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 9.8

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.81 AU - 1.31 AU

Year: 740 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,209,559 km

• M1: 123,418 km (0.098 R)
• M2: 545,135 km (0.12 R)
• M3: 912,248 km (0.03 R)
• M4: 1,254,827 km (0.119 R)
• M5: 1,659,340 km (0.092 R)
• M6: 2,574,579 km (0.107 R)
• M7: 2,953,660 km (0.088 R)
• M8: 3,780,937 km (0.095 R)
• M9: 4,177,521 km (0.105 R)
• M10: 4,534,760 km (0.103 R)
• M11: 5,329,424 km (0.114 R)
• M12: 6,423,433 km (0.091 R)
• M13: 7,080,168 km (0.06 R)
• M14: 7,401,654 km (0.095 R)
• M15: 8,123,464 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 13.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.04 AU - 1.32 AU

Year: 869 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,209,559 km

• M1: 164,408 km (0.081 R)
• M2: 581,487 km (0.051 R)
• M3: 1,013,526 km (0.111 R)
• M4: 1,508,844 km (0.06 R)
• M5: 2,086,292 km (0.069 R)
• M6: 2,760,081 km (0.119 R)
• M7: 3,346,953 km (0.096 R)
• M8: 4,000,546 km (0.092 R)
• M9: 4,702,609 km (0.073 R)
• M10: 5,234,280 km (0.054 R)
• M11: 6,012,488 km (0.111 R)
• M12: 7,725,234 km (0.081 R)
• M13: 8,897,932 km (0.087 R)
• M14: 9,801,652 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 14.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.18 AU - 1.56 AU

Year: 1088 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,209,559 km

• M1: 186,100 km (0.1 R)
• M2: 686,953 km (0.051 R)
• M3: 1,751,941 km (0.111 R)
• M4: 2,519,827 km (0.115 R)
• M5: 3,234,156 km (0.116 R)
• M6: 3,815,942 km (0.107 R)
• M7: 4,331,457 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 11.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.06 AU - 3.26 AU

Year: 2942 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,209,559 km

• M1: 139,276 km (0.115 R)
• M2: 616,792 km (0.104 R)
• M3: 996,322 km (0.085 R)
• M4: 1,833,621 km (0.095 R)
• M5: 2,392,519 km (0.084 R)
• M6: 3,449,577 km (0.12 R)
• M7: 5,420,380 km (0.049 R)
• M8: 7,604,509 km (0.077 R)
• M9: 9,108,416 km (0.073 R)
• M10: 10,575,223 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.3

Radius: 15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.39 AU - 3.87 AU

Year: 4691 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,209,559 km

• M1: 186,549 km (0.087 R)
• M2: 706,401 km (0.115 R)
• M3: 1,444,068 km (0.06 R)
• M4: 2,081,505 km (0.047 R)
• M5: 2,687,675 km (0.098 R)
• M6: 3,629,843 km (0.115 R)
• M7: 4,366,762 km (0.084 R)
• M8: 5,059,699 km (0.078 R)
• M9: 5,570,127 km (0.071 R)
• M10: 8,695,675 km (0.093 R)
• M11: 9,759,615 km (0.097 R)
• M12: 10,908,826 km (0.093 R)
• M13: 11,557,632 km (0.112 R)
• M14: 13,293,117 km (0.115 R)
• M15: 13,799,506 km (0.077 R)
• M16: 14,802,261 km (0.12 R)
• M17: 15,346,498 km (0.118 R)
• M18: 16,952,880 km (0.088 R)
• M19: 19,480,784 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 13

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.76 AU - 3.76 AU

Year: 4945 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,209,559 km

• M1: 166,502 km (0.074 R)
• M2: 681,119 km (0.065 R)
• M3: 1,142,329 km (0.109 R)
• M4: 2,470,160 km (0.096 R)
• M5: 2,922,993 km (0.06 R)
• M6: 3,552,052 km (0.084 R)
• M7: 4,270,122 km (0.065 R)
• M8: 5,135,545 km (0.111 R)
• M9: 6,174,203 km (0.112 R)
• M10: 8,186,145 km (0.093 R)
• M11: 9,722,964 km (0.115 R)
• M12: 12,961,758 km (0.074 R)
• M13: 13,717,377 km (0.088 R)
• M14: 14,555,723 km (0.065 R)
• M15: 15,206,624 km (0.109 R)
• M16: 17,638,786 km (0.092 R)
• M17: 18,067,982 km (0.109 R)
• M18: 19,592,983 km (0.053 R)
• M19: 26,001,157 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 5.4

Gravity: 19.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.87 AU - 7.57 AU

Year: 13158 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,209,559 km

• M1: 67,917 km (0.058 R)
• M2: 297,401 km (0.105 R)
• M3: 487,390 km (0.085 R)
• M4: 806,333 km (0.094 R)
• M5: 1,193,193 km (0.106 R)
• M6: 2,348,986 km (0.094 R)
• M7: 3,429,382 km (0.064 R)
• M8: 4,585,474 km (0.102 R)
• M9: 7,291,550 km (0.093 R)
• M10: 8,404,558 km (0.082 R)
• M11: 8,879,980 km (0.042 R)
• M12: 10,306,545 km (0.075 R)
• M13: 11,587,402 km (0.073 R)
• M14: 11,820,476 km (0.074 R)
• M15: 12,296,047 km (0.119 R)
• M16: 14,867,485 km (0.039 R)
• M17: 15,281,722 km (0.115 R)
• M18: 15,632,828 km (0.1 R)
• M19: 16,497,504 km (0.099 R)
• M20: 23,554,035 km (0.088 R)
• M21: 23,740,733 km (0.078 R)
• M22: 25,367,311 km (0.105 R)
• M23: 26,559,307 km (0.06 R)
• M24: 31,587,890 km (0.111 R)
• M25: 32,157,558 km (0.073 R)
• M26: 33,907,554 km (0.109 R)
• M27: 34,384,771 km (0.117 R)
• M28: 34,745,601 km (0.064 R)
• M29: 40,331,586 km (0.108 R)
• M30: 48,118,754 km (0.083 R)
• M31: 49,024,419 km (0.08 R)
• M32: 49,328,851 km (0.029 R)
• M33: 51,495,028 km (0.098 R)
• M34: 51,967,308 km (0.061 R)
• M35: 53,885,303 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 15,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit