🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.58 AU - 0.76 AU

Year: 354 Days

Day: 20.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,953,082 km

• M1: 27,975 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.1

Radius: 9.2

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.96 AU - 1.06 AU

Year: 655 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 142.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,953,082 km

• M1: 114,742 km (0.073 R)
• M2: 409,300 km (0.096 R)
• M3: 707,448 km (0.095 R)
• M4: 1,049,279 km (0.103 R)
• M5: 1,340,247 km (0.106 R)
• M6: 1,796,970 km (0.098 R)
• M7: 2,130,722 km (0.115 R)
• M8: 2,550,344 km (0.037 R)
• M9: 2,912,820 km (0.062 R)
• M10: 3,336,481 km (0.08 R)
• M11: 4,876,442 km (0.076 R)
• M12: 5,270,632 km (0.054 R)
• M13: 6,021,763 km (0.114 R)
• M14: 6,582,306 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 14.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.97 AU - 1.15 AU

Year: 705 Days

Day: 11.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,953,082 km

• M1: 176,525 km (0.053 R)
• M2: 623,823 km (0.055 R)
• M3: 1,107,772 km (0.057 R)
• M4: 2,060,860 km (0.103 R)
• M5: 2,573,233 km (0.07 R)
• M6: 3,147,539 km (0.104 R)
• M7: 4,051,260 km (0.108 R)
• M8: 5,138,238 km (0.089 R)
• M9: 5,610,369 km (0.054 R)
• M10: 6,222,972 km (0.077 R)
• M11: 6,682,088 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.1

Radius: 10.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.93 AU - 1.23 AU

Year: 725 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,953,082 km

• M1: 133,142 km (0.098 R)
• M2: 577,897 km (0.062 R)
• M3: 1,017,714 km (0.098 R)
• M4: 1,649,616 km (0.08 R)
• M5: 2,149,721 km (0.106 R)
• M6: 2,760,230 km (0.117 R)
• M7: 3,124,651 km (0.08 R)
• M8: 3,868,451 km (0.057 R)
• M9: 4,327,118 km (0.044 R)
• M10: 5,183,716 km (0.115 R)
• M11: 6,036,573 km (0.119 R)
• M12: 6,695,552 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.1

Radius: 10

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.21 AU - 1.59 AU

Year: 1070 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,953,082 km

• M1: 135,685 km (0.079 R)
• M2: 493,823 km (0.079 R)
• M3: 972,386 km (0.032 R)
• M4: 2,716,997 km (0.101 R)
• M5: 3,393,628 km (0.065 R)
• M6: 3,743,088 km (0.118 R)
• M7: 4,320,686 km (0.108 R)
• M8: 5,009,434 km (0.107 R)
• M9: 5,445,662 km (0.115 R)
• M10: 7,243,230 km (0.062 R)
• M11: 8,043,130 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 14.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.51 AU - 1.81 AU

Year: 1381 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,953,082 km

• M1: 177,872 km (0.093 R)
• M2: 646,113 km (0.116 R)
• M3: 1,424,621 km (0.065 R)
• M4: 2,329,837 km (0.115 R)
• M5: 2,975,502 km (0.058 R)
• M6: 3,465,584 km (0.064 R)
• M7: 4,824,382 km (0.113 R)
• M8: 6,369,578 km (0.106 R)
• M9: 7,507,270 km (0.106 R)
• M10: 8,167,445 km (0.113 R)
• M11: 9,384,723 km (0.082 R)
• M12: 10,250,297 km (0.11 R)
• M13: 11,029,103 km (0.063 R)
• M14: 11,956,759 km (0.12 R)
• M15: 12,477,360 km (0.104 R)
• M16: 12,974,474 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.6

Radius: 10.7

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.03 AU - 2.67 AU

Year: 2326 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,953,082 km

• M1: 134,937 km (0.094 R)
• M2: 529,876 km (0.096 R)
• M3: 1,537,567 km (0.105 R)
• M4: 2,176,799 km (0.044 R)
• M5: 2,793,441 km (0.092 R)
• M6: 3,786,771 km (0.049 R)
• M7: 4,725,797 km (0.115 R)
• M8: 5,071,218 km (0.08 R)
• M9: 5,761,762 km (0.081 R)
• M10: 6,797,578 km (0.093 R)
• M11: 7,513,254 km (0.068 R)
• M12: 8,017,698 km (0.045 R)
• M13: 8,410,691 km (0.115 R)
• M14: 10,303,254 km (0.087 R)
• M15: 11,006,215 km (0.119 R)
• M16: 11,410,428 km (0.088 R)
• M17: 12,464,345 km (0.119 R)
• M18: 13,906,618 km (0.12 R)
• M19: 17,066,275 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 12.3

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.5 AU - 3.22 AU

Year: 3123 Days

Day: 13.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,953,082 km

• M1: 153,039 km (0.098 R)
• M2: 537,804 km (0.11 R)
• M3: 946,356 km (0.077 R)
• M4: 1,396,047 km (0.108 R)
• M5: 2,015,981 km (0.114 R)
• M6: 2,420,942 km (0.034 R)
• M7: 3,398,714 km (0.035 R)
• M8: 4,623,472 km (0.078 R)
• M9: 5,653,453 km (0.109 R)
• M10: 7,331,941 km (0.093 R)
• M11: 7,724,037 km (0.075 R)
• M12: 8,199,310 km (0.115 R)
• M13: 9,939,283 km (0.058 R)
• M14: 11,171,371 km (0.112 R)
• M15: 13,302,991 km (0.113 R)
• M16: 14,237,229 km (0.117 R)
• M17: 15,479,340 km (0.115 R)
• M18: 16,072,197 km (0.103 R)
• M19: 16,848,610 km (0.106 R)
• M20: 17,591,812 km (0.108 R)
• M21: 18,356,706 km (0.081 R)
• M22: 20,915,129 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 13.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.56 AU - 4.18 AU

Year: 3994 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,953,082 km

• M1: 167,849 km (0.108 R)
• M2: 1,148,014 km (0.055 R)
• M3: 2,000,423 km (0.117 R)
• M4: 2,741,231 km (0.115 R)
• M5: 3,679,360 km (0.106 R)
• M6: 4,385,611 km (0.119 R)
• M7: 6,247,656 km (0.086 R)
• M8: 7,388,788 km (0.09 R)
• M9: 9,043,790 km (0.078 R)
• M10: 9,473,884 km (0.101 R)
• M11: 9,999,720 km (0.088 R)
• M12: 10,716,743 km (0.098 R)
• M13: 11,243,327 km (0.115 R)
• M14: 11,741,338 km (0.051 R)
• M15: 19,178,148 km (0.08 R)
• M16: 20,153,526 km (0.092 R)
• M17: 22,062,096 km (0.067 R)
• M18: 25,610,108 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 15,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit