🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 12.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.5 AU - 0.66 AU

Year: 310 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,096,598 km

• M1: 160,519 km (0.105 R)
• M2: 702,063 km (0.099 R)
• M3: 1,139,786 km (0.118 R)
• M4: 1,559,259 km (0.107 R)
• M5: 2,006,107 km (0.045 R)
• M6: 2,605,995 km (0.03 R)
• M7: 3,195,411 km (0.073 R)
• M8: 3,729,924 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 13.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.11 AU - 1.41 AU

Year: 994 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,096,598 km

• M1: 168,148 km (0.099 R)
• M2: 652,995 km (0.103 R)
• M3: 1,591,871 km (0.111 R)
• M4: 2,059,065 km (0.066 R)
• M5: 2,655,362 km (0.077 R)
• M6: 3,350,992 km (0.068 R)
• M7: 4,199,362 km (0.077 R)
• M8: 5,031,126 km (0.07 R)
• M9: 5,926,918 km (0.047 R)
• M10: 6,998,488 km (0.109 R)
• M11: 9,554,218 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.5

Radius: 11

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.69 AU - 1.99 AU

Year: 1754 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,096,598 km

• M1: 136,882 km (0.119 R)
• M2: 851,062 km (0.116 R)
• M3: 1,210,995 km (0.09 R)
• M4: 1,990,699 km (0.044 R)
• M5: 3,454,963 km (0.076 R)
• M6: 4,262,791 km (0.109 R)
• M7: 5,192,243 km (0.071 R)
• M8: 5,633,257 km (0.086 R)
• M9: 6,149,819 km (0.088 R)
• M10: 8,288,171 km (0.114 R)
• M11: 8,827,322 km (0.113 R)
• M12: 11,450,969 km (0.104 R)
• M13: 12,240,995 km (0.045 R)
• M14: 13,279,055 km (0.081 R)
• M15: 13,797,860 km (0.101 R)
• M16: 14,738,083 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 14.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.91 AU - 2.21 AU

Year: 2078 Days

Day: 12.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,096,598 km

• M1: 176,675 km (0.077 R)
• M2: 680,970 km (0.118 R)
• M3: 1,169,855 km (0.104 R)
• M4: 1,799,363 km (0.09 R)
• M5: 2,369,929 km (0.083 R)
• M6: 3,156,216 km (0.049 R)
• M7: 4,194,425 km (0.112 R)
• M8: 4,683,610 km (0.047 R)
• M9: 5,329,275 km (0.095 R)
• M10: 6,522,318 km (0.043 R)
• M11: 7,731,966 km (0.064 R)
• M12: 8,363,419 km (0.113 R)
• M13: 9,404,470 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 14.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.26 AU - 2.52 AU

Year: 2597 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,096,598 km

• M1: 177,872 km (0.099 R)
• M2: 708,944 km (0.072 R)
• M3: 1,379,143 km (0.106 R)
• M4: 1,891,366 km (0.117 R)
• M5: 2,473,002 km (0.099 R)
• M6: 3,019,932 km (0.061 R)
• M7: 3,628,347 km (0.109 R)
• M8: 4,085,667 km (0.06 R)
• M9: 4,809,721 km (0.091 R)
• M10: 5,364,131 km (0.107 R)
• M11: 6,069,186 km (0.111 R)
• M12: 7,227,073 km (0.119 R)
• M13: 7,956,812 km (0.068 R)
• M14: 8,493,120 km (0.104 R)
• M15: 10,326,741 km (0.103 R)
• M16: 10,884,591 km (0.068 R)
• M17: 14,715,045 km (0.081 R)
• M18: 15,525,417 km (0.098 R)
• M19: 16,633,787 km (0.062 R)
• M20: 19,067,296 km (0.103 R)
• M21: 20,649,144 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 12

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.8 AU - 3.22 AU

Year: 3671 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,096,598 km

• M1: 149,299 km (0.082 R)
• M2: 1,426,715 km (0.114 R)
• M3: 1,886,728 km (0.114 R)
• M4: 2,489,757 km (0.105 R)
• M5: 2,927,630 km (0.072 R)
• M6: 3,779,590 km (0.115 R)
• M7: 4,931,195 km (0.074 R)
• M8: 6,502,571 km (0.075 R)
• M9: 7,403,150 km (0.112 R)
• M10: 9,158,980 km (0.057 R)
• M11: 9,638,292 km (0.078 R)
• M12: 10,018,270 km (0.104 R)
• M13: 10,527,202 km (0.112 R)
• M14: 11,940,603 km (0.078 R)
• M15: 14,049,334 km (0.086 R)
• M16: 15,396,762 km (0.096 R)
• M17: 17,605,126 km (0.119 R)
• M18: 19,349,587 km (0.081 R)
• M19: 20,387,796 km (0.112 R)
• M20: 21,270,274 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 12

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.99 AU - 3.27 AU

Year: 3892 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,096,598 km

• M1: 151,543 km (0.054 R)
• M2: 527,332 km (0.063 R)
• M3: 1,214,136 km (0.085 R)
• M4: 1,604,886 km (0.111 R)
• M5: 2,369,181 km (0.111 R)
• M6: 2,992,257 km (0.055 R)
• M7: 4,085,817 km (0.104 R)
• M8: 4,567,821 km (0.117 R)
• M9: 5,087,674 km (0.113 R)
• M10: 5,898,794 km (0.081 R)
• M11: 6,365,539 km (0.092 R)
• M12: 7,439,801 km (0.086 R)
• M13: 8,340,081 km (0.103 R)
• M14: 10,068,086 km (0.111 R)
• M15: 10,779,275 km (0.057 R)
• M16: 11,213,108 km (0.107 R)
• M17: 11,613,432 km (0.115 R)
• M18: 15,550,100 km (0.079 R)
• M19: 17,549,177 km (0.084 R)
• M20: 17,968,649 km (0.075 R)
• M21: 18,703,474 km (0.109 R)
• M22: 21,775,466 km (0.094 R)
• M23: 23,107,785 km (0.114 R)
• M24: 24,942,603 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 8.8

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.68 AU - 4.9 AU

Year: 6246 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,096,598 km

• M1: 109,805 km (0.12 R)
• M2: 445,502 km (0.098 R)
• M3: 1,583,045 km (0.106 R)
• M4: 2,122,046 km (0.087 R)
• M5: 3,073,039 km (0.116 R)
• M6: 7,316,084 km (0.092 R)
• M7: 7,727,478 km (0.108 R)
• M8: 11,745,976 km (0.098 R)
• M9: 12,679,168 km (0.065 R)
• M10: 13,999,369 km (0.038 R)
• M11: 14,928,970 km (0.106 R)
• M12: 18,031,929 km (0.067 R)
• M13: 20,642,262 km (0.076 R)
• M14: 21,313,358 km (0.09 R)
• M15: 22,076,008 km (0.029 R)
• M16: 22,464,065 km (0.106 R)
• M17: 23,414,161 km (0.105 R)
• M18: 24,226,029 km (0.086 R)
• M19: 24,556,042 km (0.045 R)
• M20: 25,309,417 km (0.042 R)
• M21: 28,204,435 km (0.083 R)
• M22: 31,803,011 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 8.8

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.21 AU - 4.45 AU

Year: 6333 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,096,598 km

• M1: 109,506 km (0.093 R)
• M2: 435,180 km (0.098 R)
• M3: 895,493 km (0.114 R)
• M4: 1,647,970 km (0.118 R)
• M5: 3,047,608 km (0.089 R)
• M6: 4,062,181 km (0.108 R)
• M7: 5,257,318 km (0.026 R)
• M8: 5,936,044 km (0.119 R)
• M9: 6,706,772 km (0.106 R)
• M10: 7,134,472 km (0.043 R)
• M11: 7,733,163 km (0.109 R)
• M12: 8,163,855 km (0.058 R)
• M13: 9,245,597 km (0.058 R)
• M14: 10,233,392 km (0.038 R)
• M15: 10,752,796 km (0.05 R)
• M16: 11,289,703 km (0.11 R)
• M17: 12,630,099 km (0.114 R)
• M18: 14,131,015 km (0.1 R)
• M19: 14,538,819 km (0.064 R)
• M20: 16,059,780 km (0.061 R)
• M21: 17,284,538 km (0.061 R)
• M22: 17,885,921 km (0.102 R)
• M23: 20,284,424 km (0.113 R)
• M24: 24,605,559 km (0.114 R)
• M25: 27,114,016 km (0.116 R)
• M26: 27,472,751 km (0.118 R)
• M27: 29,033,506 km (0.076 R)
• M28: 30,749,394 km (0.035 R)
• M29: 32,029,951 km (0.053 R)
• M30: 32,734,108 km (0.105 R)
• M31: 34,382,228 km (0.099 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 11.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.24 AU - 6.56 AU

Year: 8821 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,096,598 km

• M1: 143,764 km (0.12 R)
• M2: 503,995 km (0.109 R)
• M3: 2,296,776 km (0.086 R)
• M4: 2,954,857 km (0.084 R)
• M5: 3,563,870 km (0.093 R)
• M6: 4,647,258 km (0.1 R)
• M7: 5,344,683 km (0.111 R)
• M8: 6,465,919 km (0.08 R)
• M9: 8,196,467 km (0.1 R)
• M10: 9,447,405 km (0.086 R)
• M11: 11,772,604 km (0.113 R)
• M12: 14,084,939 km (0.119 R)
• M13: 15,478,144 km (0.091 R)
• M14: 20,602,020 km (0.094 R)
• M15: 21,731,035 km (0.112 R)
• M16: 27,422,337 km (0.081 R)
• M17: 28,294,941 km (0.074 R)
• M18: 30,609,220 km (0.064 R)
• M19: 38,425,709 km (0.045 R)
• M20: 43,702,176 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 12,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit