🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522

Radius: 12.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.75 AU - 0.95 AU

Year: 541 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,186,911 km

• M1: 159,172 km (0.109 R)
• M2: 604,974 km (0.063 R)
• M3: 1,072,916 km (0.091 R)
• M4: 1,503,907 km (0.08 R)
• M5: 1,978,282 km (0.117 R)
• M6: 2,389,976 km (0.062 R)
• M7: 3,828,359 km (0.108 R)
• M8: 4,303,931 km (0.03 R)
• M9: 5,694,742 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 11.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.71 AU - 1.01 AU

Year: 551 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,186,911 km

• M1: 148,102 km (0.074 R)
• M2: 647,908 km (0.058 R)
• M3: 1,018,313 km (0.053 R)
• M4: 1,801,906 km (0.075 R)
• M5: 2,610,632 km (0.046 R)
• M6: 3,004,673 km (0.105 R)
• M7: 3,382,258 km (0.114 R)
• M8: 3,767,323 km (0.05 R)
• M9: 4,220,904 km (0.086 R)
• M10: 4,984,751 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 9.3

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.29 AU - 1.57 AU

Year: 1180 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,186,911 km

• M1: 115,789 km (0.087 R)
• M2: 425,307 km (0.095 R)
• M3: 751,281 km (0.087 R)
• M4: 1,103,883 km (0.076 R)
• M5: 1,567,486 km (0.086 R)
• M6: 1,970,354 km (0.097 R)
• M7: 2,392,519 km (0.079 R)
• M8: 2,958,298 km (0.046 R)
• M9: 3,296,239 km (0.084 R)
• M10: 4,015,057 km (0.092 R)
• M11: 4,756,016 km (0.105 R)
• M12: 5,056,408 km (0.115 R)
• M13: 5,585,237 km (0.101 R)
• M14: 6,057,667 km (0.035 R)
• M15: 7,555,740 km (0.104 R)
• M16: 7,855,085 km (0.027 R)
• M17: 8,162,359 km (0.101 R)
• M18: 8,771,522 km (0.082 R)
• M19: 9,441,720 km (0.098 R)
• M20: 10,244,313 km (0.046 R)
• M21: 10,747,261 km (0.118 R)
• M22: 11,337,275 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 12.8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.68 AU - 2.44 AU

Year: 2041 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,186,911 km

• M1: 159,172 km (0.068 R)
• M2: 865,424 km (0.057 R)
• M3: 1,324,240 km (0.099 R)
• M4: 1,734,438 km (0.039 R)
• M5: 2,154,658 km (0.096 R)
• M6: 3,735,908 km (0.103 R)
• M7: 4,364,518 km (0.034 R)
• M8: 4,881,528 km (0.083 R)
• M9: 5,759,069 km (0.059 R)
• M10: 6,823,009 km (0.105 R)
• M11: 7,342,862 km (0.03 R)
• M12: 7,888,894 km (0.081 R)
• M13: 8,364,615 km (0.059 R)
• M14: 10,127,477 km (0.064 R)
• M15: 11,472,810 km (0.077 R)
• M16: 14,469,106 km (0.102 R)
• M17: 16,375,731 km (0.046 R)
• M18: 17,151,994 km (0.068 R)
• M19: 17,790,478 km (0.109 R)
• M20: 18,334,565 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 12.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.85 AU - 3.77 AU

Year: 4157 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,186,911 km

• M1: 153,188 km (0.094 R)
• M2: 543,339 km (0.108 R)
• M3: 967,898 km (0.084 R)
• M4: 1,487,152 km (0.081 R)
• M5: 1,885,083 km (0.09 R)
• M6: 2,279,124 km (0.056 R)
• M7: 2,867,941 km (0.118 R)
• M8: 3,276,343 km (0.072 R)
• M9: 4,052,307 km (0.078 R)
• M10: 4,520,698 km (0.109 R)
• M11: 5,400,483 km (0.12 R)
• M12: 6,329,636 km (0.075 R)
• M13: 8,099,229 km (0.119 R)
• M14: 9,000,855 km (0.115 R)
• M15: 9,720,122 km (0.077 R)
• M16: 11,003,671 km (0.049 R)
• M17: 11,455,756 km (0.077 R)
• M18: 13,440,471 km (0.098 R)
• M19: 14,380,544 km (0.092 R)
• M20: 15,419,801 km (0.112 R)
• M21: 20,418,913 km (0.074 R)
• M22: 21,310,965 km (0.114 R)
• M23: 22,372,062 km (0.091 R)
• M24: 24,218,698 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.8

Radius: 7.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.9 AU - 6.6 AU

Year: 10785 Days

Day: 25 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,186,911 km

• M1: 97,987 km (0.07 R)
• M2: 473,328 km (0.085 R)
• M3: 984,354 km (0.118 R)
• M4: 1,321,248 km (0.101 R)
• M5: 1,778,569 km (0.058 R)
• M6: 2,127,880 km (0.071 R)
• M7: 2,618,711 km (0.085 R)
• M8: 3,094,582 km (0.075 R)
• M9: 3,506,125 km (0.037 R)
• M10: 4,724,899 km (0.032 R)
• M11: 5,084,682 km (0.097 R)
• M12: 5,625,628 km (0.045 R)
• M13: 6,346,091 km (0.097 R)
• M14: 6,673,112 km (0.1 R)
• M15: 10,490,102 km (0.114 R)
• M16: 10,896,410 km (0.044 R)
• M17: 11,686,286 km (0.046 R)
• M18: 13,145,165 km (0.07 R)
• M19: 13,797,561 km (0.108 R)
• M20: 16,899,024 km (0.053 R)
• M21: 17,599,142 km (0.1 R)
• M22: 18,685,223 km (0.106 R)
• M23: 19,282,418 km (0.091 R)
• M24: 20,831,055 km (0.047 R)
• M25: 21,799,103 km (0.049 R)
• M26: 24,704,443 km (0.073 R)
• M27: 24,972,672 km (0.112 R)
• M28: 28,735,956 km (0.094 R)
• M29: 33,293,754 km (0.105 R)
• M30: 33,621,074 km (0.089 R)
• M31: 35,176,593 km (0.065 R)
• M32: 37,835,545 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.3

Radius: 4.9

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.32 AU - 10.44 AU

Year: 21436 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,186,911 km

• M1: 64,776 km (0.12 R)
• M2: 377,136 km (0.1 R)
• M3: 747,989 km (0.055 R)
• M4: 1,261,858 km (0.108 R)
• M5: 1,799,662 km (0.086 R)
• M6: 3,101,613 km (0.092 R)
• M7: 3,590,798 km (0.115 R)
• M8: 4,353,597 km (0.085 R)
• M9: 4,755,716 km (0.099 R)
• M10: 5,109,515 km (0.051 R)
• M11: 5,292,922 km (0.117 R)
• M12: 7,283,771 km (0.08 R)
• M13: 7,516,246 km (0.086 R)
• M14: 9,338,797 km (0.043 R)
• M15: 9,557,958 km (0.106 R)
• M16: 10,527,950 km (0.119 R)
• M17: 11,374,674 km (0.077 R)
• M18: 15,217,245 km (0.115 R)
• M19: 18,352,368 km (0.097 R)
• M20: 19,486,170 km (0.082 R)
• M21: 24,697,561 km (0.117 R)
• M22: 25,116,884 km (0.106 R)
• M23: 28,414,470 km (0.096 R)
• M24: 30,047,630 km (0.084 R)
• M25: 30,645,722 km (0.072 R)
• M26: 31,251,743 km (0.11 R)
• M27: 32,991,118 km (0.102 R)
• M28: 36,121,154 km (0.097 R)
• M29: 39,159,187 km (0.108 R)
• M30: 40,016,383 km (0.119 R)
• M31: 41,178,609 km (0.035 R)
• M32: 47,007,989 km (0.1 R)
• M33: 62,760,944 km (0.108 R)
• M34: 63,737,519 km (0.099 R)
• M35: 65,721,037 km (0.107 R)
• M36: 68,566,688 km (0.064 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 11,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit