🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.53 AU - 0.59 AU

Year: 271 Days

Day: 32.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.49 AU - 0.65 AU

Year: 278 Days

Day: 43.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,441,062 km

• M1: 448,794 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 43.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 8.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.88 AU - 0.92 AU

Year: 551 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 8,441,062 km

• M1: 115,490 km (0.108 R)
• M2: 191,635 km (0.072 R)
• M3: 275,260 km (0.096 R)
• M4: 329,564 km (0.11 R)
• M5: 401,670 km (0.081 R)
• M6: 457,919 km (0.032 R)
• M7: 523,293 km (0.11 R)
• M8: 579,841 km (0.118 R)
• M9: 680,670 km (0.117 R)
• M10: 743,352 km (0.108 R)
• M11: 825,780 km (0.09 R)
• M12: 915,090 km (0.113 R)
• M13: 974,032 km (0.049 R)
• M14: 1,045,689 km (0.088 R)
• M15: 1,115,402 km (0.094 R)
• M16: 1,202,916 km (0.087 R)
• M17: 1,276,219 km (0.084 R)
• M18: 1,406,070 km (0.108 R)
• M19: 1,461,870 km (0.112 R)
• M20: 1,536,071 km (0.079 R)
• M21: 1,598,154 km (0.079 R)
• M22: 1,688,362 km (0.117 R)
• M23: 1,826,889 km (0.041 R)
• M24: 1,907,074 km (0.101 R)
• M25: 2,002,966 km (0.108 R)
• M26: 2,080,906 km (0.096 R)
• M27: 2,169,768 km (0.043 R)
• M28: 2,290,343 km (0.118 R)
• M29: 2,346,293 km (0.082 R)
• M30: 2,538,227 km (0.108 R)
• M31: 2,612,128 km (0.101 R)
• M32: 2,692,163 km (0.092 R)
• M33: 2,909,679 km (0.056 R)
• M34: 2,970,415 km (0.118 R)
• M35: 3,082,165 km (0.107 R)
• M36: 3,144,248 km (0.111 R)
• M37: 3,200,946 km (0.091 R)
• M38: 3,321,372 km (0.092 R)
• M39: 3,466,631 km (0.096 R)
• M40: 3,643,606 km (0.084 R)
• M41: 3,823,722 km (0.103 R)
• M42: 3,908,843 km (0.07 R)
• M43: 4,037,647 km (0.111 R)
• M44: 4,099,430 km (0.092 R)
• M45: 4,261,744 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 13.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.96 AU

Year: 561 Days

Day: 5.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 8,441,062 km

• M1: 173,085 km (0.099 R)
• M2: 265,686 km (0.117 R)
• M3: 349,461 km (0.111 R)
• M4: 435,479 km (0.041 R)
• M5: 543,339 km (0.088 R)
• M6: 631,004 km (0.075 R)
• M7: 717,920 km (0.119 R)
• M8: 809,624 km (0.116 R)
• M9: 895,044 km (0.09 R)
• M10: 1,037,162 km (0.081 R)
• M11: 1,143,227 km (0.099 R)
• M12: 1,236,726 km (0.119 R)
• M13: 1,345,782 km (0.119 R)
• M14: 1,462,618 km (0.065 R)
• M15: 1,569,581 km (0.09 R)
• M16: 1,707,061 km (0.069 R)
• M17: 1,834,519 km (0.105 R)
• M18: 1,931,009 km (0.075 R)
• M19: 2,054,278 km (0.105 R)
• M20: 2,215,993 km (0.114 R)
• M21: 2,611,680 km (0.084 R)
• M22: 2,710,115 km (0.067 R)
• M23: 2,809,897 km (0.077 R)
• M24: 2,956,054 km (0.106 R)
• M25: 3,041,624 km (0.111 R)
• M26: 3,209,473 km (0.079 R)
• M27: 3,380,463 km (0.071 R)
• M28: 3,518,243 km (0.118 R)
• M29: 3,609,049 km (0.101 R)
• M30: 3,756,103 km (0.091 R)
• M31: 3,861,570 km (0.066 R)
• M32: 3,974,367 km (0.109 R)
• M33: 4,139,223 km (0.096 R)
• M34: 4,306,324 km (0.067 R)
• M35: 4,403,713 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.7

Radius: 12.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1 AU - 1.16 AU

Year: 725 Days

Day: 14.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 131.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 8,441,062 km

• M1: 165,306 km (0.102 R)
• M2: 263,591 km (0.115 R)
• M3: 345,421 km (0.116 R)
• M4: 479,760 km (0.09 R)
• M5: 597,494 km (0.073 R)
• M6: 732,282 km (0.093 R)
• M7: 873,053 km (0.089 R)
• M8: 1,053,618 km (0.1 R)
• M9: 1,189,901 km (0.052 R)
• M10: 1,299,407 km (0.076 R)
• M11: 1,453,343 km (0.059 R)
• M12: 1,536,221 km (0.081 R)
• M13: 1,635,105 km (0.079 R)
• M14: 1,743,563 km (0.115 R)
• M15: 1,824,645 km (0.115 R)
• M16: 1,945,072 km (0.06 R)
• M17: 2,060,411 km (0.079 R)
• M18: 2,298,122 km (0.116 R)
• M19: 2,379,504 km (0.068 R)
• M20: 2,511,748 km (0.061 R)
• M21: 2,783,717 km (0.089 R)
• M22: 2,905,789 km (0.068 R)
• M23: 3,056,434 km (0.116 R)
• M24: 3,255,399 km (0.083 R)
• M25: 3,384,203 km (0.108 R)
• M26: 3,685,194 km (0.082 R)
• M27: 3,916,771 km (0.104 R)
• M28: 4,024,632 km (0.075 R)
• M29: 4,113,493 km (0.036 R)
• M30: 4,263,240 km (0.093 R)
• M31: 4,537,453 km (0.046 R)
• M32: 4,817,351 km (0.073 R)
• M33: 4,911,896 km (0.116 R)
• M34: 5,264,199 km (0.095 R)
• M35: 5,405,270 km (0.102 R)
• M36: 5,492,635 km (0.062 R)
• M37: 5,580,599 km (0.073 R)
• M38: 5,903,282 km (0.09 R)
• M39: 6,049,887 km (0.074 R)
• M40: 6,140,693 km (0.119 R)
• M41: 6,358,358 km (0.064 R)
• M42: 6,613,572 km (0.103 R)
• M43: 6,695,552 km (0.118 R)
• M44: 7,338,972 km (0.099 R)
• M45: 7,533,450 km (0.111 R)
• M46: 7,619,020 km (0.085 R)
• M47: 7,754,256 km (0.097 R)
• M48: 7,977,306 km (0.112 R)
• M49: 8,077,088 km (0.049 R)
• M50: 8,290,564 km (0.078 R)
• M51: 8,569,714 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 14.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.85 AU - 1.39 AU

Year: 765 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 8,441,062 km

• M1: 177,273 km (0.113 R)
• M2: 304,132 km (0.083 R)
• M3: 437,873 km (0.086 R)
• M4: 533,167 km (0.102 R)
• M5: 637,586 km (0.113 R)
• M6: 813,064 km (0.027 R)
• M7: 921,373 km (0.093 R)
• M8: 1,222,065 km (0.077 R)
• M9: 1,355,506 km (0.093 R)
• M10: 1,534,575 km (0.089 R)
• M11: 1,679,685 km (0.1 R)
• M12: 1,815,071 km (0.083 R)
• M13: 2,251,747 km (0.063 R)
• M14: 2,346,293 km (0.053 R)
• M15: 2,490,655 km (0.043 R)
• M16: 2,621,703 km (0.114 R)
• M17: 2,924,938 km (0.033 R)
• M18: 3,037,435 km (0.116 R)
• M19: 3,437,909 km (0.073 R)
• M20: 3,855,436 km (0.111 R)
• M21: 4,008,026 km (0.087 R)
• M22: 4,162,561 km (0.117 R)
• M23: 4,269,972 km (0.099 R)
• M24: 4,965,004 km (0.106 R)
• M25: 5,099,941 km (0.096 R)
• M26: 5,310,126 km (0.107 R)
• M27: 5,490,990 km (0.112 R)
• M28: 5,663,027 km (0.052 R)
• M29: 5,924,674 km (0.08 R)
• M30: 6,201,430 km (0.115 R)
• M31: 6,313,329 km (0.099 R)
• M32: 6,675,955 km (0.092 R)
• M33: 6,825,403 km (0.07 R)
• M34: 7,045,611 km (0.029 R)
• M35: 7,197,602 km (0.119 R)
• M36: 7,350,791 km (0.094 R)
• M37: 7,445,636 km (0.106 R)
• M38: 7,552,897 km (0.114 R)
• M39: 7,816,938 km (0.097 R)
• M40: 7,913,727 km (0.033 R)
• M41: 8,072,002 km (0.055 R)
• M42: 8,206,640 km (0.073 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 10,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit