🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.64 AU

Year: 148 Days

Day: 40.3 Hours

Environment

Temp: 162 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.74 AU - 0.78 AU

Year: 241 Days

Day: 12.3 Hours

Environment

Temp: 99 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.74 AU - 1.16 AU

Year: 337 Days

Day: 39 Hours

Environment

Temp: 148 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.15 AU - 1.27 AU

Year: 484 Days

Day: 31.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 60,094,074 km

• M1: 827,276 km (0.092 R)
• M2: 906,264 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.15 AU - 4.25 AU

Year: 2587 Days

Day: 35.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.46 AU - 5.42 AU

Year: 3400 Days

Day: 29.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 58.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,094,074 km

• M1: 1,437,486 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 9.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.36 AU - 5.88 AU

Year: 4211 Days

Day: 6 Hours

Environment

Temp: -129 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 60,094,074 km

• M1: 170,542 km (0.096 R)
• M2: 417,677 km (0.091 R)
• M3: 736,470 km (0.057 R)
• M4: 1,062,743 km (0.093 R)
• M5: 1,133,353 km (0.112 R)
• M6: 1,205,609 km (0.096 R)
• M7: 1,279,511 km (0.105 R)
• M8: 1,719,328 km (0.12 R)
• M9: 1,863,840 km (0.117 R)
• M10: 1,987,408 km (0.042 R)
• M11: 2,321,460 km (0.058 R)
• M12: 2,468,215 km (0.099 R)
• M13: 3,247,471 km (0.113 R)
• M14: 3,922,157 km (0.046 R)
• M15: 4,001,593 km (0.106 R)
• M16: 4,081,479 km (0.081 R)
• M17: 4,194,276 km (0.108 R)
• M18: 4,423,160 km (0.051 R)
• M19: 5,082,139 km (0.068 R)
• M20: 5,396,594 km (0.108 R)
• M21: 5,934,847 km (0.062 R)
• M22: 6,509,003 km (0.086 R)
• M23: 6,774,240 km (0.069 R)
• M24: 7,256,544 km (0.077 R)
• M25: 7,531,505 km (0.104 R)
• M26: 7,710,125 km (0.084 R)
• M27: 8,295,202 km (0.107 R)
• M28: 8,562,085 km (0.088 R)
• M29: 9,062,190 km (0.099 R)
• M30: 9,422,272 km (0.111 R)
• M31: 9,636,347 km (0.045 R)
• M32: 9,700,824 km (0.101 R)
• M33: 10,025,601 km (0.044 R)
• M34: 10,486,212 km (0.069 R)
• M35: 10,953,706 km (0.111 R)
• M36: 11,246,618 km (0.064 R)
• M37: 12,187,140 km (0.059 R)
• M38: 12,280,340 km (0.096 R)
• M39: 12,397,026 km (0.119 R)
• M40: 12,537,648 km (0.081 R)
• M41: 13,368,066 km (0.097 R)
• M42: 13,584,534 km (0.075 R)
• M43: 14,045,295 km (0.089 R)
• M44: 14,363,490 km (0.026 R)
• M45: 14,684,078 km (0.119 R)
• M46: 14,907,428 km (0.034 R)
• M47: 15,332,435 km (0.073 R)
• M48: 15,533,794 km (0.102 R)
• M49: 16,760,197 km (0.061 R)
• M50: 17,280,349 km (0.082 R)
• M51: 17,674,091 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 13.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.36 AU - 6.36 AU

Year: 4510 Days

Day: 9.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,094,074 km

• M1: 183,706 km (0.082 R)
• M2: 269,875 km (0.101 R)
• M3: 456,423 km (0.114 R)
• M4: 605,423 km (0.111 R)
• M5: 704,456 km (0.079 R)
• M6: 834,158 km (0.097 R)
• M7: 940,671 km (0.106 R)
• M8: 1,052,271 km (0.116 R)
• M9: 1,261,260 km (0.097 R)
• M10: 1,408,614 km (0.103 R)
• M11: 1,561,951 km (0.079 R)
• M12: 1,778,270 km (0.089 R)
• M13: 2,073,875 km (0.08 R)
• M14: 2,495,891 km (0.092 R)
• M15: 2,808,700 km (0.108 R)
• M16: 3,296,838 km (0.119 R)
• M17: 3,451,672 km (0.061 R)
• M18: 3,577,334 km (0.054 R)
• M19: 3,672,628 km (0.071 R)
• M20: 3,790,212 km (0.027 R)
• M21: 5,046,983 km (0.036 R)
• M22: 5,529,736 km (0.105 R)
• M23: 5,876,354 km (0.072 R)
• M24: 6,027,298 km (0.107 R)
• M25: 6,371,373 km (0.113 R)
• M26: 6,539,372 km (0.088 R)
• M27: 7,012,251 km (0.063 R)
• M28: 7,105,600 km (0.056 R)
• M29: 7,401,355 km (0.109 R)
• M30: 7,783,876 km (0.102 R)
• M31: 8,074,994 km (0.115 R)
• M32: 8,710,934 km (0.058 R)
• M33: 8,897,633 km (0.08 R)
• M34: 9,333,710 km (0.066 R)
• M35: 9,791,779 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 9

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.89 AU - 7.83 AU

Year: 6530 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 60,094,074 km

• M1: 264,190 km (0.056 R)
• M2: 435,928 km (0.095 R)
• M3: 542,741 km (0.113 R)
• M4: 672,742 km (0.032 R)
• M5: 828,473 km (0.101 R)
• M6: 965,056 km (0.108 R)
• M7: 1,092,812 km (0.098 R)
• M8: 1,278,164 km (0.078 R)
• M9: 1,775,727 km (0.07 R)
• M10: 2,307,547 km (0.044 R)
• M11: 2,458,940 km (0.063 R)
• M12: 2,591,334 km (0.117 R)
• M13: 2,748,861 km (0.101 R)
• M14: 3,533,502 km (0.103 R)
• M15: 3,608,151 km (0.106 R)
• M16: 3,683,399 km (0.077 R)
• M17: 4,437,073 km (0.107 R)
• M18: 4,598,938 km (0.109 R)
• M19: 5,379,839 km (0.104 R)
• M20: 5,523,752 km (0.111 R)
• M21: 6,443,479 km (0.114 R)
• M22: 6,504,515 km (0.099 R)
• M23: 6,812,238 km (0.092 R)
• M24: 7,699,354 km (0.112 R)
• M25: 8,622,372 km (0.108 R)
• M26: 8,689,692 km (0.112 R)
• M27: 9,754,828 km (0.063 R)
• M28: 10,071,677 km (0.065 R)
• M29: 10,178,041 km (0.09 R)
• M30: 10,391,966 km (0.108 R)
• M31: 10,535,430 km (0.078 R)
• M32: 11,594,882 km (0.098 R)
• M33: 11,818,381 km (0.111 R)
• M34: 11,930,729 km (0.094 R)
• M35: 12,269,569 km (0.04 R)
• M36: 12,345,265 km (0.095 R)
• M37: 13,383,175 km (0.099 R)
• M38: 13,617,595 km (0.12 R)
• M39: 14,050,830 km (0.105 R)
• M40: 14,249,347 km (0.044 R)
• M41: 14,408,818 km (0.119 R)
• M42: 14,689,314 km (0.093 R)
• M43: 14,890,673 km (0.025 R)
• M44: 15,459,594 km (0.101 R)
• M45: 15,870,240 km (0.08 R)
• M46: 16,201,449 km (0.053 R)
• M47: 17,039,347 km (0.111 R)
• M48: 17,336,000 km (0.103 R)
• M49: 17,634,298 km (0.092 R)
• M50: 17,977,326 km (0.067 R)
• M51: 18,626,431 km (0.11 R)
• M52: 19,063,406 km (0.057 R)
• M53: 20,664,403 km (0.089 R)
• M54: 20,799,789 km (0.098 R)
• M55: 21,389,653 km (0.095 R)
• M56: 21,526,685 km (0.081 R)
• M57: 21,709,643 km (0.102 R)
• M58: 21,893,200 km (0.065 R)
• M59: 22,077,355 km (0.093 R)
• M60: 22,261,809 km (0.059 R)
• M61: 22,772,087 km (0.072 R)
• M62: 23,333,229 km (0.041 R)
• M63: 23,521,124 km (0.114 R)
• M64: 24,516,548 km (0.088 R)
• M65: 25,816,553 km (0.065 R)
• M66: 25,962,262 km (0.101 R)
• M67: 26,157,188 km (0.058 R)
• M68: 26,254,726 km (0.113 R)
• M69: 28,182,294 km (0.085 R)
• M70: 29,594,049 km (0.103 R)
• M71: 29,746,639 km (0.067 R)
• M72: 30,513,627 km (0.112 R)
• M73: 30,925,470 km (0.067 R)
• M74: 31,390,869 km (0.071 R)
• M75: 32,853,637 km (0.105 R)
• M76: 33,117,229 km (0.09 R)
• M77: 33,275,653 km (0.081 R)
• M78: 33,381,418 km (0.116 R)
• M79: 33,752,571 km (0.086 R)
• M80: 34,338,546 km (0.111 R)
• M81: 34,659,583 km (0.118 R)
• M82: 35,791,141 km (0.055 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 13

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.45 AU - 11.85 AU

Year: 11752 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 60,094,074 km

• M1: 189,541 km (0.1 R)
• M2: 283,039 km (0.118 R)
• M3: 605,572 km (0.116 R)
• M4: 752,926 km (0.117 R)
• M5: 913,744 km (0.117 R)
• M6: 1,247,945 km (0.063 R)
• M7: 1,368,073 km (0.056 R)
• M8: 1,834,070 km (0.093 R)
• M9: 2,085,394 km (0.077 R)
• M10: 2,529,550 km (0.098 R)
• M11: 3,402,604 km (0.04 R)
• M12: 4,511,573 km (0.036 R)
• M13: 5,203,762 km (0.071 R)
• M14: 5,970,451 km (0.064 R)
• M15: 6,472,950 km (0.104 R)
• M16: 6,772,445 km (0.072 R)
• M17: 6,858,913 km (0.1 R)
• M18: 9,136,690 km (0.096 R)
• M19: 9,232,283 km (0.072 R)
• M20: 9,911,308 km (0.111 R)
• M21: 10,506,109 km (0.087 R)
• M22: 10,807,848 km (0.099 R)
• M23: 11,678,358 km (0.084 R)
• M24: 12,253,711 km (0.078 R)
• M25: 12,624,714 km (0.065 R)
• M26: 12,945,601 km (0.045 R)
• M27: 13,323,486 km (0.041 R)
• M28: 13,595,604 km (0.118 R)
• M29: 13,759,713 km (0.119 R)
• M30: 17,475,126 km (0.085 R)
• M31: 18,072,769 km (0.061 R)
• M32: 18,253,483 km (0.089 R)
• M33: 18,495,234 km (0.055 R)
• M34: 18,616,408 km (0.061 R)
• M35: 19,843,858 km (0.115 R)
• M36: 22,634,906 km (0.104 R)
• M37: 22,894,757 km (0.04 R)
• M38: 23,220,881 km (0.055 R)
• M39: 23,943,887 km (0.07 R)
• M40: 24,341,369 km (0.102 R)
• M41: 24,607,503 km (0.077 R)
• M42: 24,941,705 km (0.075 R)
• M43: 25,075,745 km (0.067 R)
• M44: 25,411,891 km (0.065 R)
• M45: 25,546,828 km (0.083 R)
• M46: 25,682,065 km (0.119 R)
• M47: 25,952,987 km (0.08 R)
• M48: 26,771,736 km (0.05 R)
• M49: 29,207,937 km (0.104 R)
• M50: 29,349,157 km (0.053 R)
• M51: 31,786,705 km (0.093 R)
• M52: 32,442,841 km (0.098 R)
• M53: 32,956,112 km (0.119 R)
• M54: 33,177,068 km (0.085 R)
• M55: 33,620,177 km (0.029 R)
• M56: 33,990,880 km (0.058 R)
• M57: 35,186,616 km (0.11 R)
• M58: 35,487,756 km (0.093 R)
• M59: 35,789,645 km (0.112 R)
• M60: 36,472,110 km (0.117 R)
• M61: 37,005,876 km (0.102 R)
• M62: 38,081,185 km (0.098 R)
• M63: 41,130,588 km (0.101 R)
• M64: 41,447,736 km (0.095 R)
• M65: 42,484,150 km (0.071 R)
• M66: 43,448,458 km (0.073 R)
• M67: 45,480,445 km (0.118 R)
• M68: 46,055,051 km (0.116 R)
• M69: 46,137,330 km (0.114 R)
• M70: 46,962,661 km (0.101 R)
• M71: 47,294,170 km (0.032 R)
• M72: 47,876,255 km (0.059 R)
• M73: 48,210,008 km (0.051 R)
• M74: 48,377,109 km (0.084 R)
• M75: 50,397,578 km (0.053 R)
• M76: 50,906,959 km (0.112 R)
• M77: 51,503,555 km (0.092 R)
• M78: 52,789,498 km (0.069 R)
• M79: 54,259,746 km (0.069 R)
• M80: 54,520,645 km (0.081 R)
• M81: 58,305,172 km (0.11 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 12,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit