🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 9.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.71 AU - 0.87 AU

Year: 476 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,039,252 km

• M1: 118,182 km (0.071 R)
• M2: 602,879 km (0.081 R)
• M3: 916,137 km (0.077 R)
• M4: 1,478,925 km (0.085 R)
• M5: 1,820,756 km (0.038 R)
• M6: 2,392,369 km (0.117 R)
• M7: 2,847,296 km (0.045 R)
• M8: 3,729,625 km (0.057 R)
• M9: 4,074,298 km (0.113 R)
• M10: 4,932,391 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 10.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.86 AU - 1.14 AU

Year: 678 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,039,252 km

• M1: 210,783 km (0.1 R)
• M2: 540,497 km (0.114 R)
• M3: 885,619 km (0.098 R)
• M4: 1,271,283 km (0.099 R)
• M5: 1,647,671 km (0.104 R)
• M6: 2,196,695 km (0.117 R)
• M7: 3,092,188 km (0.084 R)
• M8: 3,425,941 km (0.085 R)
• M9: 3,908,544 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 12

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.27 AU - 1.31 AU

Year: 994 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,039,252 km

• M1: 149,299 km (0.03 R)
• M2: 571,464 km (0.108 R)
• M3: 1,232,537 km (0.119 R)
• M4: 1,807,441 km (0.099 R)
• M5: 2,220,332 km (0.109 R)
• M6: 2,747,814 km (0.084 R)
• M7: 3,126,296 km (0.117 R)
• M8: 3,792,456 km (0.106 R)
• M9: 4,420,318 km (0.081 R)
• M10: 5,626,077 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 11.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.78 AU - 2.5 AU

Year: 2123 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,039,252 km

• M1: 143,016 km (0.113 R)
• M2: 544,237 km (0.112 R)
• M3: 909,555 km (0.078 R)
• M4: 1,439,132 km (0.089 R)
• M5: 2,089,583 km (0.032 R)
• M6: 2,678,999 km (0.107 R)
• M7: 3,116,722 km (0.103 R)
• M8: 3,488,174 km (0.093 R)
• M9: 5,455,834 km (0.066 R)
• M10: 6,855,322 km (0.052 R)
• M11: 8,016,950 km (0.111 R)
• M12: 8,540,542 km (0.08 R)
• M13: 9,055,907 km (0.115 R)
• M14: 9,463,860 km (0.065 R)
• M15: 10,971,957 km (0.103 R)
• M16: 12,175,472 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.1

Radius: 11.1

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.81 AU - 2.59 AU

Year: 2213 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,039,252 km

• M1: 138,079 km (0.094 R)
• M2: 713,133 km (0.047 R)
• M3: 1,365,230 km (0.112 R)
• M4: 2,002,667 km (0.102 R)
• M5: 2,698,895 km (0.045 R)
• M6: 3,088,448 km (0.112 R)
• M7: 3,834,193 km (0.108 R)
• M8: 4,368,707 km (0.104 R)
• M9: 5,563,994 km (0.108 R)
• M10: 8,684,904 km (0.11 R)
• M11: 10,095,612 km (0.094 R)
• M12: 10,781,668 km (0.117 R)
• M13: 11,653,525 km (0.077 R)
• M14: 14,104,686 km (0.057 R)
• M15: 15,806,511 km (0.114 R)
• M16: 16,191,726 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 11.2

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.85 AU - 4.01 AU

Year: 4309 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,039,252 km

• M1: 143,464 km (0.108 R)
• M2: 502,798 km (0.114 R)
• M3: 935,435 km (0.098 R)
• M4: 1,503,459 km (0.07 R)
• M5: 2,026,303 km (0.107 R)
• M6: 2,668,078 km (0.109 R)
• M7: 3,758,946 km (0.117 R)
• M8: 4,309,017 km (0.1 R)
• M9: 5,018,111 km (0.057 R)
• M10: 6,102,995 km (0.045 R)
• M11: 7,511,907 km (0.028 R)
• M12: 9,699,627 km (0.075 R)
• M13: 10,826,548 km (0.113 R)
• M14: 11,421,947 km (0.083 R)
• M15: 13,652,601 km (0.05 R)
• M16: 14,566,345 km (0.112 R)
• M17: 15,925,142 km (0.102 R)
• M18: 16,575,444 km (0.109 R)
• M19: 18,697,789 km (0.063 R)
• M20: 24,240,390 km (0.107 R)
• M21: 27,805,457 km (0.068 R)
• M22: 28,575,437 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.6

Radius: 13.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.33 AU - 4.73 AU

Year: 5487 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,039,252 km

• M1: 167,849 km (0.084 R)
• M2: 600,935 km (0.105 R)
• M3: 1,611,618 km (0.087 R)
• M4: 2,066,695 km (0.114 R)
• M5: 2,591,783 km (0.1 R)
• M6: 3,205,733 km (0.028 R)
• M7: 3,915,425 km (0.104 R)
• M8: 4,934,785 km (0.113 R)
• M9: 6,003,063 km (0.106 R)
• M10: 12,004,332 km (0.11 R)
• M11: 12,640,870 km (0.089 R)
• M12: 13,145,763 km (0.056 R)
• M13: 14,521,914 km (0.075 R)
• M14: 15,358,465 km (0.108 R)
• M15: 20,167,289 km (0.114 R)
• M16: 21,350,309 km (0.115 R)
• M17: 23,474,299 km (0.051 R)
• M18: 25,655,436 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.3

Radius: 4.6

Gravity: 42.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.35 AU - 7.55 AU

Year: 11110 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,039,252 km

• M1: 57,146 km (0.11 R)
• M2: 300,243 km (0.117 R)
• M3: 614,997 km (0.082 R)
• M4: 852,558 km (0.077 R)
• M5: 1,054,964 km (0.061 R)
• M6: 1,778,120 km (0.12 R)
• M7: 2,697,399 km (0.116 R)
• M8: 3,360,567 km (0.101 R)
• M9: 3,730,223 km (0.091 R)
• M10: 5,035,913 km (0.039 R)
• M11: 5,519,713 km (0.088 R)
• M12: 6,186,321 km (0.056 R)
• M13: 6,946,577 km (0.086 R)
• M14: 9,091,811 km (0.109 R)
• M15: 10,450,159 km (0.054 R)
• M16: 10,781,818 km (0.101 R)
• M17: 12,179,062 km (0.074 R)
• M18: 13,561,945 km (0.077 R)
• M19: 14,494,538 km (0.118 R)
• M20: 14,976,392 km (0.104 R)
• M21: 17,393,445 km (0.09 R)
• M22: 17,625,172 km (0.098 R)
• M23: 19,223,775 km (0.104 R)
• M24: 19,889,486 km (0.1 R)
• M25: 20,570,306 km (0.101 R)
• M26: 27,516,733 km (0.029 R)
• M27: 28,682,849 km (0.09 R)
• M28: 37,139,616 km (0.096 R)
• M29: 40,968,274 km (0.075 R)
• M30: 43,330,724 km (0.089 R)
• M31: 47,718,280 km (0.055 R)
• M32: 50,802,240 km (0.091 R)
• M33: 51,752,635 km (0.082 R)
• M34: 54,345,017 km (0.101 R)
• M35: 54,675,030 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.7

Radius: 4

Gravity: 45.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.84 AU - 10.74 AU

Year: 17676 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,039,252 km

• M1: 54,753 km (0.062 R)
• M2: 210,783 km (0.094 R)
• M3: 533,466 km (0.079 R)
• M4: 1,116,299 km (0.089 R)
• M5: 1,556,117 km (0.082 R)
• M6: 1,926,671 km (0.064 R)
• M7: 2,246,661 km (0.097 R)
• M8: 2,375,465 km (0.054 R)
• M9: 2,531,944 km (0.034 R)
• M10: 4,809,123 km (0.082 R)
• M11: 4,951,540 km (0.09 R)
• M12: 5,133,601 km (0.116 R)
• M13: 5,433,993 km (0.119 R)
• M14: 5,666,917 km (0.077 R)
• M15: 7,583,565 km (0.06 R)
• M16: 9,005,493 km (0.056 R)
• M17: 9,665,818 km (0.071 R)
• M18: 10,123,737 km (0.079 R)
• M19: 11,020,875 km (0.089 R)
• M20: 13,178,824 km (0.102 R)
• M21: 13,387,962 km (0.106 R)
• M22: 14,540,913 km (0.104 R)
• M23: 15,915,418 km (0.071 R)
• M24: 20,275,448 km (0.097 R)
• M25: 21,024,485 km (0.081 R)
• M26: 21,598,193 km (0.106 R)
• M27: 22,280,658 km (0.116 R)
• M28: 23,179,143 km (0.113 R)
• M29: 23,791,297 km (0.029 R)
• M30: 25,584,377 km (0.115 R)
• M31: 28,150,879 km (0.071 R)
• M32: 29,318,340 km (0.091 R)
• M33: 30,517,816 km (0.065 R)
• M34: 30,883,882 km (0.041 R)
• M35: 34,049,373 km (0.093 R)
• M36: 45,620,469 km (0.1 R)
• M37: 52,279,519 km (0.117 R)
• M38: 62,845,018 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.2

Radius: 3.6

Gravity: 30.19 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.92 AU - 10.84 AU

Year: 19485 Days

Day: 22.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,039,252 km

• M1: 46,824 km (0.063 R)
• M2: 177,872 km (0.081 R)
• M3: 687,103 km (0.096 R)
• M4: 1,048,681 km (0.094 R)
• M5: 1,185,414 km (0.08 R)
• M6: 1,376,749 km (0.113 R)
• M7: 3,236,101 km (0.105 R)
• M8: 3,750,568 km (0.043 R)
• M9: 4,132,641 km (0.064 R)
• M10: 4,507,833 km (0.112 R)
• M11: 6,158,047 km (0.104 R)
• M12: 7,981,495 km (0.059 R)
• M13: 10,247,005 km (0.074 R)
• M14: 10,415,453 km (0.056 R)
• M15: 10,642,991 km (0.11 R)
• M16: 12,266,128 km (0.038 R)
• M17: 12,712,528 km (0.048 R)
• M18: 13,235,672 km (0.066 R)
• M19: 14,185,618 km (0.044 R)
• M20: 14,535,677 km (0.078 R)
• M21: 16,835,296 km (0.086 R)
• M22: 18,606,983 km (0.108 R)
• M23: 23,087,739 km (0.078 R)
• M24: 24,062,668 km (0.075 R)
• M25: 24,460,299 km (0.076 R)
• M26: 26,725,211 km (0.032 R)
• M27: 31,312,181 km (0.044 R)
• M28: 34,982,415 km (0.043 R)
• M29: 38,386,514 km (0.056 R)
• M30: 38,521,601 km (0.083 R)
• M31: 50,232,871 km (0.117 R)
• M32: 54,380,920 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 12,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit