🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 11.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 372 Days

Day: 8.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,542,791 km

• M1: 144,362 km (0.08 R)
• M2: 530,175 km (0.086 R)
• M3: 932,294 km (0.083 R)
• M4: 1,483,113 km (0.107 R)
• M5: 1,984,117 km (0.09 R)
• M6: 2,520,126 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 11.4

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.99 AU - 1.27 AU

Year: 815 Days

Day: 12.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,542,791 km

• M1: 141,819 km (0.096 R)
• M2: 534,962 km (0.118 R)
• M3: 1,325,736 km (0.093 R)
• M4: 2,149,422 km (0.056 R)
• M5: 2,776,536 km (0.097 R)
• M6: 3,166,837 km (0.115 R)
• M7: 3,680,706 km (0.115 R)
• M8: 4,298,545 km (0.089 R)
• M9: 5,642,981 km (0.101 R)
• M10: 6,661,743 km (0.092 R)
• M11: 7,134,173 km (0.111 R)
• M12: 9,224,803 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 9.1

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.05 AU - 1.75 AU

Year: 1124 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,542,791 km

• M1: 113,246 km (0.098 R)
• M2: 455,526 km (0.084 R)
• M3: 859,290 km (0.07 R)
• M4: 1,279,660 km (0.06 R)
• M5: 1,722,320 km (0.068 R)
• M6: 2,167,075 km (0.117 R)
• M7: 3,316,734 km (0.107 R)
• M8: 3,736,656 km (0.099 R)
• M9: 4,905,913 km (0.116 R)
• M10: 5,331,967 km (0.081 R)
• M11: 5,636,399 km (0.116 R)
• M12: 7,117,268 km (0.088 R)
• M13: 7,587,903 km (0.069 R)
• M14: 8,105,661 km (0.037 R)
• M15: 10,446,719 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 8.4

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.32 AU - 1.98 AU

Year: 1438 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,542,791 km

• M1: 104,419 km (0.081 R)
• M2: 412,890 km (0.076 R)
• M3: 674,836 km (0.111 R)
• M4: 1,156,840 km (0.081 R)
• M5: 1,489,696 km (0.094 R)
• M6: 1,811,929 km (0.08 R)
• M7: 2,289,745 km (0.086 R)
• M8: 2,598,964 km (0.11 R)
• M9: 3,207,977 km (0.108 R)
• M10: 4,182,756 km (0.105 R)
• M11: 4,607,764 km (0.107 R)
• M12: 5,320,747 km (0.114 R)
• M13: 6,009,346 km (0.1 R)
• M14: 6,375,263 km (0.079 R)
• M15: 10,969,114 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.5

Radius: 8.8

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.36 AU - 5.26 AU

Year: 7155 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,542,791 km

• M1: 110,553 km (0.082 R)
• M2: 451,337 km (0.088 R)
• M3: 775,216 km (0.107 R)
• M4: 1,574,667 km (0.109 R)
• M5: 2,135,809 km (0.113 R)
• M6: 2,427,375 km (0.111 R)
• M7: 4,073,550 km (0.061 R)
• M8: 4,951,540 km (0.113 R)
• M9: 5,250,436 km (0.114 R)
• M10: 5,656,894 km (0.086 R)
• M11: 6,604,148 km (0.101 R)
• M12: 7,892,036 km (0.059 R)
• M13: 8,176,720 km (0.101 R)
• M14: 8,637,931 km (0.098 R)
• M15: 9,160,925 km (0.112 R)
• M16: 11,363,005 km (0.099 R)
• M17: 11,674,169 km (0.064 R)
• M18: 12,097,830 km (0.081 R)
• M19: 12,422,308 km (0.11 R)
• M20: 12,752,620 km (0.12 R)
• M21: 20,274,700 km (0.048 R)
• M22: 21,354,797 km (0.091 R)
• M23: 24,393,279 km (0.09 R)
• M24: 28,749,420 km (0.074 R)
• M25: 29,134,185 km (0.105 R)
• M26: 30,808,335 km (0.071 R)
• M27: 31,515,933 km (0.067 R)
• M28: 31,925,233 km (0.116 R)
• M29: 32,545,615 km (0.08 R)
• M30: 35,991,303 km (0.063 R)
• M31: 36,438,301 km (0.053 R)
• M32: 37,002,435 km (0.1 R)
• M33: 38,380,082 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.2

Radius: 5.8

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.43 AU - 5.89 AU

Year: 9133 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,542,791 km

• M1: 72,256 km (0.057 R)
• M2: 402,717 km (0.112 R)
• M3: 903,870 km (0.083 R)
• M4: 1,210,546 km (0.086 R)
• M5: 1,517,222 km (0.11 R)
• M6: 2,251,598 km (0.074 R)
• M7: 3,863,515 km (0.03 R)
• M8: 5,651,957 km (0.094 R)
• M9: 8,389,000 km (0.117 R)
• M10: 8,734,272 km (0.086 R)
• M11: 9,499,465 km (0.036 R)
• M12: 12,839,536 km (0.098 R)
• M13: 18,143,379 km (0.097 R)
• M14: 19,836,528 km (0.115 R)
• M15: 26,085,979 km (0.106 R)
• M16: 28,333,388 km (0.052 R)
• M17: 28,914,725 km (0.065 R)
• M18: 30,302,096 km (0.05 R)
• M19: 32,150,378 km (0.094 R)
• M20: 32,465,431 km (0.056 R)
• M21: 33,855,045 km (0.032 R)
• M22: 34,072,411 km (0.087 R)
• M23: 37,212,470 km (0.074 R)
• M24: 37,559,837 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.1

Radius: 6.7

Gravity: 20.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.36 AU - 6.89 AU

Year: 10269 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,542,791 km

• M1: 83,476 km (0.115 R)
• M2: 529,576 km (0.101 R)
• M3: 929,152 km (0.11 R)
• M4: 1,259,016 km (0.117 R)
• M5: 2,444,280 km (0.085 R)
• M6: 3,007,067 km (0.104 R)
• M7: 3,220,992 km (0.081 R)
• M8: 3,626,402 km (0.057 R)
• M9: 4,539,248 km (0.059 R)
• M10: 5,016,316 km (0.094 R)
• M11: 6,931,617 km (0.09 R)
• M12: 7,783,128 km (0.092 R)
• M13: 8,419,518 km (0.115 R)
• M14: 10,267,799 km (0.095 R)
• M15: 14,745,114 km (0.095 R)
• M16: 15,859,917 km (0.085 R)
• M17: 16,584,570 km (0.117 R)
• M18: 19,132,969 km (0.088 R)
• M19: 21,316,051 km (0.089 R)
• M20: 24,509,666 km (0.074 R)
• M21: 26,269,984 km (0.076 R)
• M22: 28,008,461 km (0.095 R)
• M23: 32,745,328 km (0.103 R)
• M24: 35,977,241 km (0.074 R)
• M25: 40,742,980 km (0.104 R)
• M26: 47,977,832 km (0.094 R)
• M27: 48,277,776 km (0.069 R)
• M28: 50,258,153 km (0.064 R)
• M29: 51,975,686 km (0.1 R)
• M30: 53,731,815 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.5

Radius: 6.9

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.23 AU - 10.33 AU

Year: 22355 Days

Day: 23.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,542,791 km

• M1: 86,916 km (0.117 R)
• M2: 1,413,550 km (0.081 R)
• M3: 1,907,074 km (0.064 R)
• M4: 5,155,292 km (0.077 R)
• M5: 5,374,603 km (0.104 R)
• M6: 7,407,039 km (0.119 R)
• M7: 8,467,389 km (0.099 R)
• M8: 13,521,703 km (0.095 R)
• M9: 13,940,128 km (0.113 R)
• M10: 27,754,743 km (0.096 R)
• M11: 32,097,719 km (0.116 R)
• M12: 37,415,624 km (0.099 R)
• M13: 37,826,420 km (0.12 R)
• M14: 45,587,258 km (0.028 R)
• M15: 52,442,581 km (0.099 R)
• M16: 55,579,798 km (0.035 R)
• M17: 56,652,714 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 14,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit