🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.1

Radius: 9.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,149,644 km

• M1: 116,836 km (0.041 R)
• M2: 420,669 km (0.111 R)
• M3: 795,113 km (0.088 R)
• M4: 1,103,434 km (0.103 R)
• M5: 1,410,259 km (0.115 R)
• M6: 2,473,900 km (0.103 R)
• M7: 2,846,847 km (0.084 R)
• M8: 3,160,405 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 12.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,149,644 km

• M1: 153,039 km (0.09 R)
• M2: 548,725 km (0.091 R)
• M3: 1,017,565 km (0.074 R)
• M4: 1,425,668 km (0.082 R)
• M5: 1,843,495 km (0.101 R)
• M6: 2,335,223 km (0.096 R)
• M7: 2,797,031 km (0.08 R)
• M8: 4,867,765 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 8.5

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.11 AU - 1.21 AU

Year: 833 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,149,644 km

• M1: 105,766 km (0.116 R)
• M2: 639,531 km (0.076 R)
• M3: 904,020 km (0.084 R)
• M4: 1,205,011 km (0.116 R)
• M5: 1,685,220 km (0.101 R)
• M6: 1,998,029 km (0.027 R)
• M7: 2,298,272 km (0.117 R)
• M8: 3,102,211 km (0.1 R)
• M9: 3,589,751 km (0.086 R)
• M10: 3,917,968 km (0.116 R)
• M11: 4,488,086 km (0.096 R)
• M12: 5,528,988 km (0.111 R)
• M13: 6,066,493 km (0.077 R)
• M14: 6,596,369 km (0.05 R)
• M15: 7,223,483 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 8.3

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.15 AU - 1.87 AU

Year: 1237 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,149,644 km

• M1: 105,167 km (0.117 R)
• M2: 445,502 km (0.081 R)
• M3: 733,329 km (0.12 R)
• M4: 1,010,234 km (0.099 R)
• M5: 1,309,729 km (0.107 R)
• M6: 1,687,763 km (0.112 R)
• M7: 3,097,873 km (0.066 R)
• M8: 3,416,965 km (0.061 R)
• M9: 4,302,435 km (0.048 R)
• M10: 4,739,859 km (0.08 R)
• M11: 5,102,484 km (0.114 R)
• M12: 5,571,025 km (0.059 R)
• M13: 5,860,945 km (0.109 R)
• M14: 6,184,675 km (0.095 R)
• M15: 6,667,727 km (0.089 R)
• M16: 7,333,138 km (0.088 R)
• M17: 7,736,603 km (0.116 R)
• M18: 10,309,836 km (0.117 R)
• M19: 11,518,288 km (0.112 R)
• M20: 13,050,769 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.2

Radius: 9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.67 AU - 3.01 AU

Year: 3192 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,149,644 km

• M1: 112,049 km (0.1 R)
• M2: 1,022,801 km (0.052 R)
• M3: 1,705,565 km (0.088 R)
• M4: 2,206,868 km (0.088 R)
• M5: 2,518,630 km (0.101 R)
• M6: 2,888,735 km (0.091 R)
• M7: 3,586,459 km (0.065 R)
• M8: 4,278,350 km (0.105 R)
• M9: 5,602,889 km (0.112 R)
• M10: 6,020,417 km (0.114 R)
• M11: 6,710,960 km (0.078 R)
• M12: 7,563,818 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 8.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.05 AU - 4.11 AU

Year: 4517 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,149,644 km

• M1: 108,309 km (0.095 R)
• M2: 385,364 km (0.09 R)
• M3: 752,926 km (0.117 R)
• M4: 1,372,261 km (0.115 R)
• M5: 1,758,523 km (0.09 R)
• M6: 2,311,736 km (0.103 R)
• M7: 2,659,850 km (0.12 R)
• M8: 3,353,835 km (0.103 R)
• M9: 3,939,810 km (0.096 R)
• M10: 4,395,784 km (0.114 R)
• M11: 5,463,314 km (0.039 R)
• M12: 6,580,810 km (0.091 R)
• M13: 7,254,001 km (0.056 R)
• M14: 7,972,220 km (0.102 R)
• M15: 8,265,731 km (0.037 R)
• M16: 9,049,175 km (0.115 R)
• M17: 9,732,987 km (0.093 R)
• M18: 10,567,294 km (0.118 R)
• M19: 10,842,554 km (0.092 R)
• M20: 11,489,715 km (0.117 R)
• M21: 13,539,954 km (0.107 R)
• M22: 16,867,758 km (0.068 R)
• M23: 19,036,628 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 10.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.83 AU - 4.79 AU

Year: 5967 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,149,644 km

• M1: 135,984 km (0.079 R)
• M2: 612,454 km (0.059 R)
• M3: 993,330 km (0.114 R)
• M4: 2,105,141 km (0.114 R)
• M5: 2,553,636 km (0.101 R)
• M6: 3,190,324 km (0.082 R)
• M7: 3,546,666 km (0.059 R)
• M8: 4,014,010 km (0.111 R)
• M9: 6,935,656 km (0.099 R)
• M10: 7,702,495 km (0.111 R)
• M11: 8,313,902 km (0.116 R)
• M12: 8,847,816 km (0.042 R)
• M13: 9,945,117 km (0.118 R)
• M14: 11,258,736 km (0.074 R)
• M15: 12,777,603 km (0.099 R)
• M16: 13,489,390 km (0.083 R)
• M17: 13,929,058 km (0.111 R)
• M18: 16,000,091 km (0.116 R)
• M19: 16,493,016 km (0.107 R)
• M20: 17,336,897 km (0.105 R)
• M21: 18,150,410 km (0.081 R)
• M22: 19,418,103 km (0.107 R)
• M23: 19,853,433 km (0.056 R)
• M24: 20,359,073 km (0.07 R)
• M25: 21,003,092 km (0.085 R)
• M26: 22,741,120 km (0.044 R)

Asteroid Belt

Center: 6.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 4.2

Gravity: 41.26 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.34 AU - 8.86 AU

Year: 15373 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,149,644 km

• M1: 52,658 km (0.046 R)
• M2: 258,954 km (0.118 R)
• M3: 542,442 km (0.088 R)
• M4: 844,330 km (0.106 R)
• M5: 1,333,515 km (0.111 R)
• M6: 2,165,429 km (0.109 R)
• M7: 2,610,782 km (0.059 R)
• M8: 2,819,471 km (0.118 R)
• M9: 3,349,646 km (0.039 R)
• M10: 3,485,032 km (0.08 R)
• M11: 4,571,711 km (0.057 R)
• M12: 4,772,621 km (0.099 R)
• M13: 6,941,042 km (0.044 R)
• M14: 7,161,848 km (0.049 R)
• M15: 8,238,355 km (0.049 R)
• M16: 8,636,734 km (0.111 R)
• M17: 8,840,785 km (0.025 R)
• M18: 10,132,862 km (0.109 R)
• M19: 12,819,341 km (0.078 R)
• M20: 14,396,401 km (0.113 R)
• M21: 14,539,267 km (0.092 R)
• M22: 14,828,141 km (0.093 R)
• M23: 15,869,043 km (0.116 R)
• M24: 17,197,173 km (0.119 R)
• M25: 17,683,216 km (0.113 R)
• M26: 18,938,193 km (0.096 R)
• M27: 20,251,213 km (0.096 R)
• M28: 21,811,370 km (0.113 R)
• M29: 26,324,438 km (0.039 R)
• M30: 27,078,112 km (0.059 R)
• M31: 27,296,076 km (0.06 R)
• M32: 33,008,621 km (0.048 R)
• M33: 34,137,636 km (0.084 R)
• M34: 36,871,986 km (0.098 R)
• M35: 48,143,736 km (0.114 R)
• M36: 49,920,809 km (0.11 R)
• M37: 59,098,190 km (0.099 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: 478 - 18,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit