🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 8.3

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.63 AU - 0.75 AU

Year: 376 Days

Day: 10.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,894,426 km

• M1: 103,671 km (0.043 R)
• M2: 362,326 km (0.097 R)
• M3: 936,333 km (0.074 R)
• M4: 1,693,298 km (0.101 R)
• M5: 1,956,142 km (0.096 R)
• M6: 2,219,584 km (0.088 R)
• M7: 2,516,685 km (0.041 R)
• M8: 3,168,932 km (0.068 R)
• M9: 3,584,215 km (0.111 R)
• M10: 3,916,023 km (0.113 R)
• M11: 4,524,139 km (0.069 R)
• M12: 5,225,902 km (0.086 R)
• M13: 5,636,549 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 9.4

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1 AU - 1.64 AU

Year: 995 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,894,426 km

• M1: 117,135 km (0.059 R)
• M2: 519,553 km (0.069 R)
• M3: 828,922 km (0.119 R)
• M4: 1,210,696 km (0.101 R)
• M5: 1,589,328 km (0.063 R)
• M6: 1,967,810 km (0.11 R)
• M7: 2,372,772 km (0.107 R)
• M8: 2,733,901 km (0.119 R)
• M9: 3,185,687 km (0.116 R)
• M10: 3,731,868 km (0.099 R)
• M11: 4,738,363 km (0.119 R)
• M12: 5,256,869 km (0.109 R)
• M13: 5,833,419 km (0.048 R)
• M14: 6,879,557 km (0.079 R)
• M15: 7,302,620 km (0.053 R)
• M16: 8,489,530 km (0.044 R)
• M17: 9,482,261 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 14.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.17 AU - 1.81 AU

Year: 1193 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,894,426 km

• M1: 180,415 km (0.108 R)
• M2: 634,893 km (0.113 R)
• M3: 1,646,624 km (0.12 R)
• M4: 2,621,403 km (0.114 R)
• M5: 3,374,330 km (0.069 R)
• M6: 4,724,151 km (0.083 R)
• M7: 6,216,689 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 8

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.41 AU - 2.31 AU

Year: 1664 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,894,426 km

• M1: 99,483 km (0.105 R)
• M2: 413,638 km (0.064 R)
• M3: 668,104 km (0.1 R)
• M4: 1,096,403 km (0.093 R)
• M5: 1,435,242 km (0.103 R)
• M6: 1,699,282 km (0.109 R)
• M7: 2,007,155 km (0.073 R)
• M8: 2,389,976 km (0.051 R)
• M9: 3,085,456 km (0.105 R)
• M10: 3,431,626 km (0.104 R)
• M11: 4,239,304 km (0.116 R)
• M12: 4,913,841 km (0.074 R)
• M13: 5,726,756 km (0.071 R)
• M14: 7,017,038 km (0.11 R)
• M15: 8,920,521 km (0.08 R)
• M16: 9,723,862 km (0.068 R)
• M17: 10,644,786 km (0.087 R)
• M18: 11,474,157 km (0.12 R)
• M19: 13,797,860 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 13.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.63 AU - 2.95 AU

Year: 3057 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,894,426 km

• M1: 181,612 km (0.108 R)
• M2: 650,152 km (0.04 R)
• M3: 2,544,510 km (0.106 R)
• M4: 2,990,761 km (0.103 R)
• M5: 4,503,046 km (0.101 R)
• M6: 6,826,749 km (0.075 R)
• M7: 7,293,943 km (0.034 R)
• M8: 8,234,764 km (0.111 R)
• M9: 10,290,987 km (0.111 R)
• M10: 13,418,181 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.2

Radius: 8.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.84 AU - 4.36 AU

Year: 4481 Days

Day: 9.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,894,426 km

• M1: 102,475 km (0.07 R)
• M2: 385,514 km (0.068 R)
• M3: 678,127 km (0.107 R)
• M4: 1,192,145 km (0.112 R)
• M5: 1,665,174 km (0.064 R)
• M6: 1,983,219 km (0.113 R)
• M7: 2,427,225 km (0.117 R)
• M8: 2,696,352 km (0.094 R)
• M9: 3,052,545 km (0.077 R)
• M10: 3,532,604 km (0.06 R)
• M11: 4,124,114 km (0.1 R)
• M12: 4,531,619 km (0.072 R)
• M13: 7,820,528 km (0.069 R)
• M14: 8,513,764 km (0.082 R)
• M15: 11,659,359 km (0.109 R)
• M16: 12,475,415 km (0.096 R)
• M17: 13,699,874 km (0.079 R)
• M18: 14,853,722 km (0.081 R)
• M19: 15,760,884 km (0.043 R)
• M20: 17,189,992 km (0.088 R)
• M21: 19,641,153 km (0.078 R)
• M22: 19,940,499 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 9.8

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.1 AU - 6.1 AU

Year: 7556 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,894,426 km

• M1: 121,922 km (0.099 R)
• M2: 509,530 km (0.06 R)
• M3: 1,082,640 km (0.117 R)
• M4: 1,882,540 km (0.103 R)
• M5: 3,464,387 km (0.03 R)
• M6: 6,213,398 km (0.091 R)
• M7: 7,125,795 km (0.029 R)
• M8: 9,346,576 km (0.101 R)
• M9: 11,028,505 km (0.034 R)
• M10: 11,529,508 km (0.082 R)
• M11: 12,098,129 km (0.106 R)
• M12: 13,179,572 km (0.081 R)
• M13: 14,090,324 km (0.118 R)
• M14: 17,677,382 km (0.087 R)
• M15: 22,382,534 km (0.103 R)
• M16: 25,279,198 km (0.093 R)
• M17: 30,418,782 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 8

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.64 AU - 8.48 AU

Year: 13636 Days

Day: 22.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,894,426 km

• M1: 99,632 km (0.108 R)
• M2: 536,159 km (0.096 R)
• M3: 955,033 km (0.109 R)
• M4: 1,251,985 km (0.043 R)
• M5: 1,915,302 km (0.078 R)
• M6: 2,599,712 km (0.083 R)
• M7: 4,205,047 km (0.095 R)
• M8: 7,891,288 km (0.106 R)
• M9: 8,349,506 km (0.086 R)
• M10: 10,911,669 km (0.08 R)
• M11: 12,554,253 km (0.077 R)
• M12: 13,434,637 km (0.078 R)
• M13: 14,021,958 km (0.047 R)
• M14: 15,671,723 km (0.099 R)
• M15: 16,249,321 km (0.119 R)
• M16: 16,543,430 km (0.102 R)
• M17: 18,622,242 km (0.075 R)
• M18: 20,017,093 km (0.101 R)
• M19: 20,525,576 km (0.117 R)
• M20: 23,105,541 km (0.112 R)
• M21: 24,233,808 km (0.069 R)
• M22: 26,195,036 km (0.096 R)
• M23: 27,008,250 km (0.095 R)
• M24: 30,541,901 km (0.098 R)
• M25: 34,131,203 km (0.118 R)
• M26: 35,223,716 km (0.078 R)
• M27: 37,992,174 km (0.115 R)
• M28: 40,094,324 km (0.089 R)
• M29: 42,829,721 km (0.064 R)
• M30: 44,961,042 km (0.112 R)
• M31: 50,207,439 km (0.118 R)
• M32: 50,988,639 km (0.104 R)
• M33: 52,415,354 km (0.105 R)
• M34: 54,687,297 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652

Radius: 7.5

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.84 AU - 9.32 AU

Year: 13690 Days

Day: 18.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,894,426 km

• M1: 101,427 km (0.105 R)
• M2: 510,578 km (0.085 R)
• M3: 1,340,247 km (0.107 R)
• M4: 1,676,095 km (0.104 R)
• M5: 1,977,385 km (0.068 R)
• M6: 2,560,517 km (0.066 R)
• M7: 3,379,715 km (0.034 R)
• M8: 3,670,234 km (0.033 R)
• M9: 4,611,953 km (0.043 R)
• M10: 5,928,863 km (0.087 R)
• M11: 6,673,860 km (0.074 R)
• M12: 8,113,740 km (0.08 R)
• M13: 8,539,944 km (0.077 R)
• M14: 9,283,445 km (0.108 R)
• M15: 10,231,597 km (0.036 R)
• M16: 11,012,498 km (0.119 R)
• M17: 12,319,235 km (0.08 R)
• M18: 13,925,916 km (0.039 R)
• M19: 15,236,992 km (0.095 R)
• M20: 18,830,333 km (0.102 R)
• M21: 24,481,243 km (0.119 R)
• M22: 29,698,618 km (0.117 R)
• M23: 31,513,091 km (0.117 R)
• M24: 32,683,844 km (0.076 R)
• M25: 34,126,865 km (0.118 R)
• M26: 39,377,152 km (0.12 R)
• M27: 48,918,803 km (0.107 R)
• M28: 55,560,799 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533

Radius: 4.9

Gravity: 22.2 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.56 AU - 9.26 AU

Year: 17447 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 166.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,894,426 km

• M1: 1,195,885 km (0.111 R)
• M2: 1,359,695 km (0.099 R)
• M3: 2,113,668 km (0.051 R)
• M4: 3,400,360 km (0.108 R)
• M5: 6,945,380 km (0.104 R)
• M6: 7,208,972 km (0.077 R)
• M7: 7,663,151 km (0.09 R)
• M8: 13,304,786 km (0.089 R)
• M9: 15,200,789 km (0.095 R)
• M10: 19,780,130 km (0.088 R)
• M11: 19,955,608 km (0.082 R)
• M12: 25,927,854 km (0.111 R)
• M13: 32,255,844 km (0.1 R)
• M14: 33,360,325 km (0.078 R)
• M15: 34,110,409 km (0.119 R)
• M16: 42,824,335 km (0.082 R)
• M17: 48,005,658 km (0.082 R)
• M18: 56,536,775 km (0.085 R)
• M19: 56,890,425 km (0.117 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: 487 - 13,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit