🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 18.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,888,127 km

• M1: 234,121 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.5 AU - 0.68 AU

Year: 293 Days

Day: 42.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 8.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 6.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 12,888,127 km

• M1: 107,112 km (0.111 R)
• M2: 191,635 km (0.041 R)
• M3: 242,648 km (0.061 R)
• M4: 318,045 km (0.092 R)
• M5: 375,939 km (0.055 R)
• M6: 429,346 km (0.097 R)
• M7: 514,168 km (0.077 R)
• M8: 656,884 km (0.093 R)
• M9: 721,062 km (0.095 R)
• M10: 824,583 km (0.078 R)
• M11: 894,446 km (0.056 R)
• M12: 1,072,018 km (0.119 R)
• M13: 1,181,524 km (0.111 R)
• M14: 1,397,843 km (0.088 R)
• M15: 1,536,071 km (0.1 R)
• M16: 1,675,197 km (0.092 R)
• M17: 1,727,556 km (0.057 R)
• M18: 1,884,036 km (0.103 R)
• M19: 1,942,379 km (0.091 R)
• M20: 2,117,408 km (0.118 R)
• M21: 2,178,145 km (0.09 R)
• M22: 2,252,046 km (0.071 R)
• M23: 2,355,867 km (0.078 R)
• M24: 2,581,610 km (0.112 R)
• M25: 2,633,671 km (0.109 R)
• M26: 2,690,518 km (0.117 R)
• M27: 2,796,433 km (0.039 R)
• M28: 2,881,405 km (0.102 R)
• M29: 2,949,023 km (0.045 R)
• M30: 3,053,891 km (0.118 R)
• M31: 3,113,580 km (0.043 R)
• M32: 3,169,231 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.5

Radius: 14

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.78 AU - 1.06 AU

Year: 570 Days

Day: 12.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 12,888,127 km

• M1: 176,525 km (0.111 R)
• M2: 307,274 km (0.114 R)
• M3: 413,937 km (0.071 R)
• M4: 681,418 km (0.109 R)
• M5: 773,720 km (0.058 R)
• M6: 1,023,549 km (0.058 R)
• M7: 1,142,928 km (0.071 R)
• M8: 1,234,482 km (0.076 R)
• M9: 1,323,193 km (0.103 R)
• M10: 1,425,668 km (0.116 R)
• M11: 1,645,427 km (0.098 R)
• M12: 1,756,578 km (0.077 R)
• M13: 1,947,615 km (0.115 R)
• M14: 2,392,519 km (0.061 R)
• M15: 2,562,462 km (0.105 R)
• M16: 2,692,612 km (0.069 R)
• M17: 2,847,296 km (0.089 R)
• M18: 3,027,861 km (0.113 R)
• M19: 3,196,607 km (0.075 R)
• M20: 3,290,106 km (0.065 R)
• M21: 3,527,967 km (0.035 R)
• M22: 3,632,835 km (0.113 R)
• M23: 3,779,740 km (0.092 R)
• M24: 3,903,756 km (0.086 R)
• M25: 4,003,987 km (0.043 R)
• M26: 4,130,397 km (0.108 R)
• M27: 4,232,573 km (0.089 R)
• M28: 4,387,406 km (0.074 R)
• M29: 4,491,826 km (0.115 R)
• M30: 4,614,496 km (0.081 R)
• M31: 4,845,625 km (0.095 R)
• M32: 4,953,485 km (0.06 R)
• M33: 5,053,117 km (0.114 R)
• M34: 5,236,075 km (0.117 R)
• M35: 5,393,452 km (0.1 R)
• M36: 5,542,900 km (0.052 R)
• M37: 5,674,846 km (0.113 R)
• M38: 5,893,857 km (0.075 R)
• M39: 5,999,623 km (0.119 R)
• M40: 6,183,778 km (0.103 R)
• M41: 6,281,615 km (0.055 R)
• M42: 6,389,624 km (0.04 R)
• M43: 6,518,278 km (0.104 R)
• M44: 6,627,634 km (0.099 R)
• M45: 6,747,762 km (0.06 R)
• M46: 6,848,441 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.3

Radius: 9.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.18 AU

Year: 695 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 12,888,127 km

• M1: 121,025 km (0.078 R)
• M2: 195,674 km (0.094 R)
• M3: 329,415 km (0.064 R)
• M4: 390,600 km (0.116 R)
• M5: 478,564 km (0.114 R)
• M6: 554,559 km (0.105 R)
• M7: 614,698 km (0.108 R)
• M8: 677,230 km (0.111 R)
• M9: 742,305 km (0.082 R)
• M10: 846,425 km (0.107 R)
• M11: 970,441 km (0.112 R)
• M12: 1,147,416 km (0.117 R)
• M13: 1,215,931 km (0.057 R)
• M14: 1,650,214 km (0.099 R)
• M15: 1,716,187 km (0.104 R)
• M16: 1,894,208 km (0.107 R)
• M17: 2,039,917 km (0.069 R)
• M18: 2,169,618 km (0.101 R)
• M19: 2,275,384 km (0.047 R)
• M20: 2,342,254 km (0.062 R)
• M21: 2,471,506 km (0.096 R)
• M22: 2,596,121 km (0.1 R)
• M23: 2,808,401 km (0.117 R)
• M24: 2,887,688 km (0.096 R)
• M25: 2,967,723 km (0.066 R)
• M26: 3,070,795 km (0.111 R)
• M27: 3,182,396 km (0.072 R)
• M28: 3,287,862 km (0.042 R)
• M29: 3,432,972 km (0.09 R)
• M30: 3,549,060 km (0.045 R)
• M31: 3,713,618 km (0.058 R)
• M32: 3,888,946 km (0.039 R)
• M33: 4,264,138 km (0.074 R)
• M34: 4,439,317 km (0.105 R)
• M35: 4,515,163 km (0.107 R)
• M36: 4,693,783 km (0.083 R)
• M37: 4,814,209 km (0.097 R)
• M38: 5,058,203 km (0.063 R)
• M39: 5,243,705 km (0.115 R)
• M40: 5,413,648 km (0.066 R)
• M41: 5,694,742 km (0.104 R)
• M42: 5,841,647 km (0.108 R)
• M43: 5,915,698 km (0.118 R)
• M44: 6,101,948 km (0.117 R)
• M45: 6,290,142 km (0.118 R)
• M46: 6,394,561 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.1

Radius: 11.1

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.14 AU - 1.64 AU

Year: 1058 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 12,888,127 km

• M1: 151,393 km (0.084 R)
• M2: 337,942 km (0.035 R)
• M3: 418,724 km (0.078 R)
• M4: 502,649 km (0.064 R)
• M5: 748,438 km (0.117 R)
• M6: 875,896 km (0.071 R)
• M7: 974,780 km (0.083 R)
• M8: 1,062,743 km (0.113 R)
• M9: 1,231,639 km (0.097 R)
• M10: 1,579,006 km (0.113 R)
• M11: 1,755,381 km (0.111 R)
• M12: 1,929,065 km (0.051 R)
• M13: 2,089,433 km (0.114 R)
• M14: 2,333,428 km (0.093 R)
• M15: 2,525,062 km (0.069 R)
• M16: 2,659,401 km (0.061 R)
• M17: 2,795,984 km (0.106 R)
• M18: 2,945,881 km (0.087 R)
• M19: 3,298,334 km (0.088 R)
• M20: 3,491,315 km (0.072 R)
• M21: 3,793,503 km (0.043 R)
• M22: 3,876,380 km (0.069 R)
• M23: 4,092,250 km (0.065 R)
• M24: 4,250,674 km (0.077 R)
• M25: 4,349,109 km (0.116 R)
• M26: 4,485,842 km (0.085 R)
• M27: 4,586,222 km (0.092 R)
• M28: 4,699,916 km (0.071 R)
• M29: 4,789,077 km (0.105 R)
• M30: 4,904,566 km (0.1 R)
• M31: 4,982,058 km (0.107 R)
• M32: 5,125,223 km (0.038 R)
• M33: 5,256,570 km (0.09 R)
• M34: 5,549,632 km (0.107 R)
• M35: 5,630,415 km (0.056 R)
• M36: 5,752,337 km (0.103 R)
• M37: 5,985,261 km (0.077 R)
• M38: 6,375,562 km (0.031 R)
• M39: 6,573,929 km (0.101 R)
• M40: 6,645,287 km (0.098 R)
• M41: 6,731,156 km (0.107 R)
• M42: 6,933,113 km (0.105 R)
• M43: 7,034,989 km (0.083 R)
• M44: 7,313,541 km (0.109 R)
• M45: 7,476,602 km (0.052 R)
• M46: 7,610,941 km (0.07 R)
• M47: 7,851,644 km (0.032 R)
• M48: 7,972,968 km (0.043 R)
• M49: 8,079,631 km (0.074 R)
• M50: 8,202,152 km (0.095 R)
• M51: 8,279,045 km (0.12 R)
• M52: 8,745,342 km (0.046 R)
• M53: 9,573,815 km (0.096 R)
• M54: 9,768,591 km (0.106 R)
• M55: 9,997,476 km (0.115 R)
• M56: 10,277,823 km (0.105 R)
• M57: 10,360,849 km (0.076 R)
• M58: 10,527,352 km (0.107 R)
• M59: 10,694,901 km (0.07 R)
• M60: 10,964,626 km (0.106 R)
• M61: 11,134,420 km (0.083 R)
• M62: 11,219,691 km (0.08 R)
• M63: 11,322,165 km (0.1 R)
• M64: 11,459,496 km (0.027 R)
• M65: 11,562,719 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 10

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.18 AU - 2.48 AU

Year: 2296 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 12,888,127 km

• M1: 152,590 km (0.093 R)
• M2: 316,699 km (0.112 R)
• M3: 386,561 km (0.119 R)
• M4: 457,620 km (0.03 R)
• M5: 527,931 km (0.069 R)
• M6: 661,522 km (0.108 R)
• M7: 750,383 km (0.077 R)
• M8: 880,683 km (0.081 R)
• M9: 1,181,374 km (0.105 R)
• M10: 1,266,047 km (0.054 R)
• M11: 1,343,838 km (0.081 R)
• M12: 1,532,331 km (0.114 R)
• M13: 1,710,203 km (0.087 R)
• M14: 1,895,255 km (0.101 R)
• M15: 2,086,890 km (0.118 R)
• M16: 2,274,336 km (0.087 R)
• M17: 2,359,458 km (0.078 R)
• M18: 2,424,084 km (0.117 R)
• M19: 2,688,423 km (0.12 R)
• M20: 2,858,367 km (0.114 R)
• M21: 2,927,481 km (0.08 R)
• M22: 3,233,109 km (0.092 R)
• M23: 3,512,109 km (0.085 R)
• M24: 3,773,756 km (0.116 R)
• M25: 3,862,318 km (0.116 R)
• M26: 4,028,820 km (0.05 R)
• M27: 4,132,492 km (0.084 R)
• M28: 4,289,719 km (0.051 R)
• M29: 4,408,799 km (0.077 R)
• M30: 4,515,761 km (0.101 R)
• M31: 4,691,240 km (0.071 R)
• M32: 4,786,833 km (0.085 R)
• M33: 4,993,577 km (0.112 R)
• M34: 5,133,002 km (0.106 R)
• M35: 5,217,375 km (0.086 R)
• M36: 5,401,680 km (0.074 R)
• M37: 5,631,612 km (0.086 R)
• M38: 5,747,700 km (0.09 R)
• M39: 6,130,670 km (0.12 R)
• M40: 6,491,650 km (0.071 R)
• M41: 7,046,060 km (0.093 R)
• M42: 7,392,379 km (0.092 R)
• M43: 7,455,958 km (0.073 R)
• M44: 7,647,742 km (0.106 R)
• M45: 7,776,546 km (0.096 R)
• M46: 8,019,942 km (0.096 R)
• M47: 8,085,316 km (0.066 R)
• M48: 8,167,146 km (0.104 R)
• M49: 8,431,186 km (0.066 R)
• M50: 8,647,954 km (0.073 R)
• M51: 9,069,670 km (0.114 R)
• M52: 9,223,158 km (0.029 R)
• M53: 9,291,673 km (0.112 R)
• M54: 9,411,950 km (0.09 R)
• M55: 9,601,939 km (0.059 R)
• M56: 9,723,562 km (0.08 R)
• M57: 9,898,293 km (0.095 R)
• M58: 10,339,457 km (0.06 R)
• M59: 10,464,072 km (0.089 R)
• M60: 10,589,285 km (0.113 R)
• M61: 10,661,092 km (0.119 R)
• M62: 11,058,574 km (0.07 R)
• M63: 11,424,341 km (0.042 R)
• M64: 11,682,696 km (0.082 R)
• M65: 12,830,710 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 16,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit