🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 14.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.6 AU - 0.9 AU

Year: 419 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 116 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,013,602 km

• M1: 175,329 km (0.111 R)
• M2: 701,315 km (0.115 R)
• M3: 1,164,919 km (0.096 R)
• M4: 1,754,933 km (0.117 R)
• M5: 2,256,235 km (0.06 R)
• M6: 3,229,220 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.1

Radius: 9.5

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.74 AU - 0.88 AU

Year: 471 Days

Day: 13.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,013,602 km

• M1: 118,182 km (0.031 R)
• M2: 454,030 km (0.107 R)
• M3: 765,492 km (0.095 R)
• M4: 1,087,726 km (0.06 R)
• M5: 1,700,928 km (0.119 R)
• M6: 2,163,185 km (0.096 R)
• M7: 2,499,631 km (0.12 R)
• M8: 3,018,287 km (0.108 R)
• M9: 3,328,403 km (0.036 R)
• M10: 4,300,640 km (0.069 R)
• M11: 5,080,044 km (0.087 R)
• M12: 5,521,059 km (0.084 R)
• M13: 5,914,053 km (0.069 R)
• M14: 6,249,451 km (0.059 R)
• M15: 6,836,772 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 14.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.05 AU - 1.23 AU

Year: 786 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,013,602 km

• M1: 184,155 km (0.117 R)
• M2: 707,299 km (0.076 R)
• M3: 1,419,833 km (0.086 R)
• M4: 2,182,932 km (0.063 R)
• M5: 2,872,279 km (0.104 R)
• M6: 3,744,584 km (0.068 R)
• M7: 4,614,346 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 13.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.14 AU - 1.26 AU

Year: 849 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,013,602 km

• M1: 168,298 km (0.084 R)
• M2: 596,896 km (0.044 R)
• M3: 1,135,897 km (0.086 R)
• M4: 1,729,351 km (0.099 R)
• M5: 2,436,501 km (0.049 R)
• M6: 3,385,849 km (0.054 R)
• M7: 4,008,924 km (0.074 R)
• M8: 4,449,190 km (0.111 R)
• M9: 5,198,975 km (0.032 R)
• M10: 6,136,355 km (0.096 R)
• M11: 6,746,565 km (0.066 R)
• M12: 8,140,069 km (0.112 R)
• M13: 8,823,731 km (0.106 R)
• M14: 9,319,349 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 8.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.47 AU - 1.51 AU

Year: 1174 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,013,602 km

• M1: 126,859 km (0.096 R)
• M2: 782,397 km (0.059 R)
• M3: 1,403,228 km (0.077 R)
• M4: 1,946,268 km (0.113 R)
• M5: 2,277,927 km (0.077 R)
• M6: 2,821,416 km (0.099 R)
• M7: 3,276,792 km (0.08 R)
• M8: 3,688,036 km (0.102 R)
• M9: 4,100,478 km (0.098 R)
• M10: 5,286,938 km (0.111 R)
• M11: 5,606,180 km (0.11 R)
• M12: 6,152,512 km (0.117 R)
• M13: 6,438,842 km (0.098 R)
• M14: 7,229,915 km (0.059 R)
• M15: 10,144,232 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 13.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.34 AU - 3.5 AU

Year: 4084 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,013,602 km

• M1: 162,912 km (0.071 R)
• M2: 572,810 km (0.077 R)
• M3: 1,143,526 km (0.069 R)
• M4: 1,868,029 km (0.054 R)
• M5: 2,281,966 km (0.042 R)
• M6: 3,086,653 km (0.107 R)
• M7: 4,527,131 km (0.087 R)
• M8: 5,341,841 km (0.109 R)
• M9: 7,126,992 km (0.113 R)
• M10: 8,118,826 km (0.102 R)
• M11: 8,764,640 km (0.084 R)
• M12: 10,909,724 km (0.12 R)
• M13: 11,839,624 km (0.104 R)
• M14: 14,232,891 km (0.116 R)
• M15: 16,570,208 km (0.079 R)
• M16: 18,955,546 km (0.066 R)
• M17: 19,889,486 km (0.085 R)
• M18: 20,505,829 km (0.065 R)
• M19: 21,135,038 km (0.047 R)
• M20: 23,099,856 km (0.084 R)
• M21: 25,743,998 km (0.06 R)
• M22: 27,306,399 km (0.116 R)
• M23: 28,583,815 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.6

Radius: 7.6

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.72 AU - 6.84 AU

Year: 11399 Days

Day: 23.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,013,602 km

• M1: 94,845 km (0.109 R)
• M2: 455,675 km (0.112 R)
• M3: 860,936 km (0.116 R)
• M4: 1,294,770 km (0.113 R)
• M5: 1,562,550 km (0.11 R)
• M6: 2,497,836 km (0.088 R)
• M7: 3,167,585 km (0.065 R)
• M8: 3,843,618 km (0.117 R)
• M9: 4,230,179 km (0.073 R)
• M10: 5,277,663 km (0.089 R)
• M11: 6,041,809 km (0.105 R)
• M12: 8,870,855 km (0.115 R)
• M13: 9,846,981 km (0.093 R)
• M14: 11,056,031 km (0.09 R)
• M15: 11,895,873 km (0.082 R)
• M16: 16,243,786 km (0.11 R)
• M17: 16,599,978 km (0.086 R)
• M18: 20,953,575 km (0.115 R)
• M19: 21,375,890 km (0.111 R)
• M20: 22,765,206 km (0.063 R)
• M21: 24,121,460 km (0.025 R)
• M22: 26,207,004 km (0.03 R)
• M23: 27,494,144 km (0.078 R)
• M24: 29,873,947 km (0.093 R)
• M25: 30,624,629 km (0.04 R)
• M26: 33,753,618 km (0.086 R)
• M27: 39,474,241 km (0.093 R)
• M28: 41,560,084 km (0.102 R)
• M29: 43,718,332 km (0.106 R)
• M30: 45,385,301 km (0.082 R)
• M31: 46,663,166 km (0.058 R)
• M32: 47,818,810 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.2

Radius: 4.7

Gravity: 34.5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.6 AU - 13.92 AU

Year: 24396 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,013,602 km

• M1: 58,493 km (0.078 R)
• M2: 440,865 km (0.066 R)
• M3: 1,138,739 km (0.069 R)
• M4: 2,054,428 km (0.109 R)
• M5: 3,033,845 km (0.116 R)
• M6: 3,656,770 km (0.102 R)
• M7: 4,764,393 km (0.068 R)
• M8: 6,534,435 km (0.105 R)
• M9: 6,723,078 km (0.076 R)
• M10: 7,826,213 km (0.078 R)
• M11: 9,944,668 km (0.109 R)
• M12: 10,257,627 km (0.11 R)
• M13: 11,643,501 km (0.117 R)
• M14: 11,921,006 km (0.089 R)
• M15: 12,274,056 km (0.112 R)
• M16: 12,633,989 km (0.084 R)
• M17: 15,687,431 km (0.074 R)
• M18: 18,346,084 km (0.073 R)
• M19: 24,648,493 km (0.071 R)
• M20: 25,569,118 km (0.119 R)
• M21: 26,512,483 km (0.048 R)
• M22: 28,094,331 km (0.092 R)
• M23: 28,971,722 km (0.045 R)
• M24: 31,311,433 km (0.101 R)
• M25: 33,354,940 km (0.089 R)
• M26: 34,765,648 km (0.049 R)
• M27: 41,286,170 km (0.104 R)
• M28: 50,753,621 km (0.115 R)
• M29: 56,085,738 km (0.109 R)
• M30: 58,278,693 km (0.106 R)
• M31: 75,012,412 km (0.066 R)
• M32: 75,251,619 km (0.108 R)
• M33: 76,213,682 km (0.05 R)
• M34: 82,412,270 km (0.053 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 19,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit