🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.9

Radius: 8.6

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.64 AU - 0.68 AU

Year: 364 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,243,532 km

• M1: 106,962 km (0.096 R)
• M2: 374,443 km (0.119 R)
• M3: 643,869 km (0.115 R)
• M4: 1,087,128 km (0.116 R)
• M5: 1,585,438 km (0.111 R)
• M6: 1,997,431 km (0.093 R)
• M7: 2,650,126 km (0.067 R)
• M8: 2,973,557 km (0.106 R)
• M9: 3,924,999 km (0.052 R)
• M10: 4,225,242 km (0.088 R)
• M11: 4,597,442 km (0.102 R)
• M12: 5,204,211 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 8.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.89 AU - 1.37 AU

Year: 815 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,243,532 km

• M1: 105,766 km (0.111 R)
• M2: 370,105 km (0.09 R)
• M3: 2,048,444 km (0.087 R)
• M4: 3,649,889 km (0.057 R)
• M5: 4,587,419 km (0.114 R)
• M6: 5,167,858 km (0.114 R)
• M7: 5,525,846 km (0.117 R)
• M8: 5,900,290 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 10.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.2 AU - 1.32 AU

Year: 959 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,243,532 km

• M1: 131,945 km (0.102 R)
• M2: 607,816 km (0.104 R)
• M3: 964,457 km (0.061 R)
• M4: 1,302,249 km (0.056 R)
• M5: 1,873,564 km (0.097 R)
• M6: 2,324,751 km (0.069 R)
• M7: 3,104,455 km (0.098 R)
• M8: 3,548,312 km (0.095 R)
• M9: 4,162,561 km (0.105 R)
• M10: 4,792,517 km (0.096 R)
• M11: 5,504,454 km (0.115 R)
• M12: 6,393,663 km (0.052 R)
• M13: 7,328,052 km (0.12 R)
• M14: 8,561,486 km (0.098 R)
• M15: 8,910,797 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 12.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.22 AU - 2.94 AU

Year: 2811 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,243,532 km

• M1: 153,787 km (0.049 R)
• M2: 2,077,017 km (0.083 R)
• M3: 3,014,397 km (0.067 R)
• M4: 5,828,782 km (0.041 R)
• M5: 7,623,059 km (0.079 R)
• M6: 8,109,551 km (0.071 R)
• M7: 9,208,347 km (0.087 R)
• M8: 9,661,629 km (0.112 R)
• M9: 10,266,154 km (0.098 R)
• M10: 11,514,099 km (0.114 R)
• M11: 13,469,044 km (0.102 R)
• M12: 14,612,271 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.8

Radius: 14.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.99 AU - 3.41 AU

Year: 3883 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,243,532 km

• M1: 188,793 km (0.113 R)
• M2: 807,230 km (0.071 R)
• M3: 1,971,999 km (0.06 R)
• M4: 2,613,026 km (0.066 R)
• M5: 3,073,937 km (0.114 R)
• M6: 3,893,883 km (0.099 R)
• M7: 4,952,438 km (0.081 R)
• M8: 6,015,480 km (0.056 R)
• M9: 6,519,026 km (0.086 R)
• M10: 7,327,304 km (0.092 R)
• M11: 8,822,385 km (0.117 R)
• M12: 9,812,573 km (0.03 R)
• M13: 10,350,826 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.7

Radius: 3.2

Gravity: 60.62 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.12 AU - 8.46 AU

Year: 13350 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,243,532 km

• M1: 39,793 km (0.118 R)
• M2: 163,211 km (0.111 R)
• M3: 1,354,459 km (0.119 R)
• M4: 1,587,682 km (0.066 R)
• M5: 1,713,943 km (0.072 R)
• M6: 1,933,552 km (0.099 R)
• M7: 2,307,547 km (0.11 R)
• M8: 2,532,842 km (0.118 R)
• M9: 2,772,497 km (0.032 R)
• M10: 4,323,378 km (0.096 R)
• M11: 4,445,750 km (0.046 R)
• M12: 4,826,925 km (0.095 R)
• M13: 5,690,105 km (0.087 R)
• M14: 6,254,687 km (0.119 R)
• M15: 6,610,880 km (0.05 R)
• M16: 7,941,553 km (0.106 R)
• M17: 8,839,738 km (0.057 R)
• M18: 9,491,835 km (0.05 R)
• M19: 12,858,236 km (0.096 R)
• M20: 22,171,900 km (0.111 R)
• M21: 22,904,481 km (0.092 R)
• M22: 25,297,748 km (0.102 R)
• M23: 26,708,157 km (0.035 R)
• M24: 27,328,240 km (0.083 R)
• M25: 38,860,889 km (0.109 R)
• M26: 39,656,750 km (0.119 R)
• M27: 41,555,895 km (0.102 R)
• M28: 43,942,430 km (0.06 R)
• M29: 44,951,019 km (0.06 R)
• M30: 46,270,472 km (0.077 R)
• M31: 47,615,506 km (0.071 R)
• M32: 49,603,961 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495

Radius: 4.8

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.54 AU - 9.98 AU

Year: 19112 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,243,532 km

• M1: 60,438 km (0.1 R)
• M2: 506,538 km (0.107 R)
• M3: 663,915 km (0.096 R)
• M4: 1,640,640 km (0.112 R)
• M5: 2,269,250 km (0.052 R)
• M6: 2,615,420 km (0.113 R)
• M7: 2,921,646 km (0.079 R)
• M8: 3,691,327 km (0.094 R)
• M9: 4,015,955 km (0.115 R)
• M10: 4,359,282 km (0.084 R)
• M11: 4,858,789 km (0.074 R)
• M12: 5,104,579 km (0.084 R)
• M13: 5,432,647 km (0.044 R)
• M14: 5,774,777 km (0.113 R)
• M15: 5,970,900 km (0.082 R)
• M16: 7,063,563 km (0.08 R)
• M17: 7,517,143 km (0.119 R)
• M18: 8,634,041 km (0.072 R)
• M19: 9,205,505 km (0.086 R)
• M20: 9,912,953 km (0.082 R)
• M21: 10,251,344 km (0.104 R)
• M22: 15,605,302 km (0.037 R)
• M23: 17,005,987 km (0.105 R)
• M24: 21,425,706 km (0.072 R)
• M25: 26,987,905 km (0.073 R)
• M26: 28,656,519 km (0.09 R)
• M27: 28,884,058 km (0.081 R)
• M28: 32,690,875 km (0.098 R)
• M29: 38,729,393 km (0.082 R)
• M30: 41,571,603 km (0.085 R)
• M31: 42,894,796 km (0.03 R)
• M32: 46,403,464 km (0.087 R)
• M33: 48,468,663 km (0.113 R)
• M34: 55,382,628 km (0.082 R)
• M35: 60,838,312 km (0.106 R)
• M36: 61,970,768 km (0.049 R)
• M37: 62,733,568 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 14,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit