🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.2

Radius: 14.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 0.98 AU

Year: 512 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,572,174 km

• M1: 185,352 km (0.084 R)
• M2: 712,535 km (0.12 R)
• M3: 1,284,597 km (0.112 R)
• M4: 1,823,000 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 8.4

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.76 AU - 2.42 AU

Year: 2124 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 158.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,572,174 km

• M1: 106,663 km (0.115 R)
• M2: 441,912 km (0.114 R)
• M3: 742,753 km (0.118 R)
• M4: 1,034,768 km (0.106 R)
• M5: 1,748,799 km (0.089 R)
• M6: 2,187,719 km (0.069 R)
• M7: 2,624,994 km (0.098 R)
• M8: 2,974,454 km (0.104 R)
• M9: 4,418,074 km (0.079 R)
• M10: 6,412,363 km (0.113 R)
• M11: 7,942,301 km (0.072 R)
• M12: 12,741,400 km (0.067 R)
• M13: 13,746,698 km (0.115 R)
• M14: 17,444,907 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 13.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.12 AU - 3.34 AU

Year: 4080 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,572,174 km

• M1: 169,644 km (0.106 R)
• M2: 600,037 km (0.092 R)
• M3: 1,047,634 km (0.09 R)
• M4: 1,881,792 km (0.041 R)
• M5: 4,024,781 km (0.093 R)
• M6: 4,560,341 km (0.092 R)
• M7: 6,367,933 km (0.053 R)
• M8: 9,308,428 km (0.117 R)
• M9: 9,833,218 km (0.086 R)
• M10: 15,375,819 km (0.084 R)
• M11: 16,283,429 km (0.104 R)
• M12: 18,709,009 km (0.082 R)
• M13: 20,611,894 km (0.111 R)
• M14: 21,435,879 km (0.032 R)
• M15: 21,926,710 km (0.05 R)
• M16: 27,255,685 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.3

Radius: 5.6

Gravity: 24.02 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.48 AU - 6.82 AU

Year: 10721 Days

Day: 18.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,572,174 km

• M1: 69,862 km (0.062 R)
• M2: 289,621 km (0.117 R)
• M3: 549,024 km (0.119 R)
• M4: 1,169,706 km (0.108 R)
• M5: 1,656,647 km (0.099 R)
• M6: 2,032,885 km (0.066 R)
• M7: 2,733,901 km (0.109 R)
• M8: 3,636,724 km (0.08 R)
• M9: 3,822,525 km (0.084 R)
• M10: 4,538,799 km (0.049 R)
• M11: 4,849,065 km (0.108 R)
• M12: 5,616,353 km (0.085 R)
• M13: 5,829,231 km (0.055 R)
• M14: 7,097,821 km (0.111 R)
• M15: 12,524,184 km (0.031 R)
• M16: 12,949,341 km (0.1 R)
• M17: 13,700,771 km (0.095 R)
• M18: 15,289,800 km (0.114 R)
• M19: 19,874,227 km (0.104 R)
• M20: 26,867,628 km (0.1 R)
• M21: 33,103,914 km (0.045 R)
• M22: 33,682,858 km (0.117 R)
• M23: 36,802,123 km (0.084 R)
• M24: 37,049,708 km (0.088 R)
• M25: 40,502,576 km (0.097 R)
• M26: 42,238,959 km (0.117 R)
• M27: 46,578,793 km (0.116 R)
• M28: 51,515,224 km (0.055 R)
• M29: 51,825,041 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514

Radius: 3.1

Gravity: 53.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.7 AU - 7.26 AU

Year: 11595 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,572,174 km

• M1: 39,195 km (0.101 R)
• M2: 179,069 km (0.096 R)
• M3: 314,006 km (0.083 R)
• M4: 434,432 km (0.102 R)
• M5: 536,159 km (0.1 R)
• M6: 727,794 km (0.1 R)
• M7: 882,777 km (0.03 R)
• M8: 1,104,331 km (0.118 R)
• M9: 1,583,194 km (0.059 R)
• M10: 1,812,229 km (0.087 R)
• M11: 1,943,276 km (0.08 R)
• M12: 2,393,566 km (0.114 R)
• M13: 3,992,468 km (0.055 R)
• M14: 4,623,173 km (0.1 R)
• M15: 4,868,214 km (0.101 R)
• M16: 8,474,271 km (0.099 R)
• M17: 9,410,753 km (0.116 R)
• M18: 9,754,230 km (0.103 R)
• M19: 13,169,400 km (0.109 R)
• M20: 13,475,178 km (0.084 R)
• M21: 15,075,725 km (0.075 R)
• M22: 19,980,740 km (0.114 R)
• M23: 22,225,307 km (0.067 R)
• M24: 23,186,024 km (0.099 R)
• M25: 33,560,338 km (0.082 R)
• M26: 39,302,203 km (0.115 R)
• M27: 47,499,269 km (0.088 R)
• M28: 47,642,434 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727

Radius: 7.6

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.16 AU - 7.38 AU

Year: 13779 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,572,174 km

• M1: 94,695 km (0.106 R)
• M2: 578,046 km (0.107 R)
• M3: 2,326,546 km (0.054 R)
• M4: 2,891,278 km (0.1 R)
• M5: 3,256,746 km (0.059 R)
• M6: 4,414,932 km (0.096 R)
• M7: 4,702,160 km (0.078 R)
• M8: 5,676,491 km (0.108 R)
• M9: 11,113,027 km (0.09 R)
• M10: 13,282,047 km (0.089 R)
• M11: 17,158,726 km (0.089 R)
• M12: 17,790,777 km (0.12 R)
• M13: 18,356,257 km (0.108 R)
• M14: 20,474,563 km (0.104 R)
• M15: 21,912,647 km (0.113 R)
• M16: 25,800,247 km (0.093 R)
• M17: 32,576,881 km (0.096 R)
• M18: 34,283,942 km (0.068 R)
• M19: 43,575,616 km (0.107 R)
• M20: 45,047,659 km (0.084 R)
• M21: 46,552,763 km (0.04 R)
• M22: 48,246,660 km (0.11 R)
• M23: 52,743,123 km (0.092 R)
• M24: 55,433,790 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.5

Radius: 7.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.81 AU - 10.79 AU

Year: 18350 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,572,174 km

• M1: 95,144 km (0.085 R)
• M2: 351,705 km (0.111 R)
• M3: 785,090 km (0.119 R)
• M4: 1,321,996 km (0.1 R)
• M5: 1,657,694 km (0.077 R)
• M6: 2,867,342 km (0.114 R)
• M7: 4,849,215 km (0.036 R)
• M8: 8,110,449 km (0.082 R)
• M9: 10,214,393 km (0.114 R)
• M10: 10,779,424 km (0.086 R)
• M11: 12,483,793 km (0.094 R)
• M12: 16,279,240 km (0.1 R)
• M13: 16,696,618 km (0.12 R)
• M14: 20,537,394 km (0.107 R)
• M15: 22,619,048 km (0.077 R)
• M16: 26,331,020 km (0.057 R)
• M17: 27,294,281 km (0.088 R)
• M18: 29,291,113 km (0.054 R)
• M19: 34,362,930 km (0.025 R)
• M20: 35,280,863 km (0.07 R)
• M21: 37,285,324 km (0.118 R)
• M22: 39,990,652 km (0.091 R)
• M23: 45,376,325 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.6

Radius: 3.2

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.25 AU - 11.87 AU

Year: 22429 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,572,174 km

• M1: 45,927 km (0.065 R)
• M2: 292,913 km (0.106 R)
• M3: 642,523 km (0.079 R)
• M4: 770,130 km (0.071 R)
• M5: 1,270,834 km (0.028 R)
• M6: 1,792,482 km (0.041 R)
• M7: 4,165,702 km (0.1 R)
• M8: 4,611,504 km (0.118 R)
• M9: 5,288,285 km (0.089 R)
• M10: 6,558,969 km (0.093 R)
• M11: 8,660,370 km (0.115 R)
• M12: 10,677,398 km (0.102 R)
• M13: 11,338,621 km (0.086 R)
• M14: 12,085,264 km (0.119 R)
• M15: 14,587,438 km (0.065 R)
• M16: 15,331,538 km (0.087 R)
• M17: 16,821,832 km (0.09 R)
• M18: 19,274,190 km (0.117 R)
• M19: 21,606,570 km (0.026 R)
• M20: 22,840,304 km (0.074 R)
• M21: 30,692,397 km (0.058 R)
• M22: 33,624,216 km (0.097 R)
• M23: 37,857,836 km (0.099 R)
• M24: 39,516,726 km (0.108 R)
• M25: 40,693,164 km (0.073 R)
• M26: 44,222,327 km (0.074 R)
• M27: 50,345,219 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 14,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit