🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.79 AU - 1.21 AU

Year: 383 Days

Day: 18.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,116,604 km

• M1: 236,963 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.97 AU - 1.07 AU

Year: 394 Days

Day: 47.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 19.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.39 AU - 1.39 AU

Year: 627 Days

Day: 19.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,116,604 km

• M1: 803,191 km (0.097 R)
• M2: 834,008 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.99 AU - 2.67 AU

Year: 1362 Days

Day: 17.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.57 AU - 2.81 AU

Year: 1689 Days

Day: 13.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.9

Radius: 9.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.22 AU - 4.68 AU

Year: 3594 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 43,116,604 km

• M1: 144,512 km (0.079 R)
• M2: 215,421 km (0.07 R)
• M3: 420,071 km (0.064 R)
• M4: 485,445 km (0.085 R)
• M5: 574,456 km (0.086 R)
• M6: 712,535 km (0.058 R)
• M7: 854,503 km (0.11 R)
• M8: 1,039,556 km (0.051 R)
• M9: 1,115,551 km (0.118 R)
• M10: 1,392,607 km (0.092 R)
• M11: 1,641,986 km (0.11 R)
• M12: 1,884,933 km (0.088 R)
• M13: 2,021,366 km (0.094 R)
• M14: 2,139,549 km (0.071 R)
• M15: 2,226,914 km (0.094 R)
• M16: 2,428,123 km (0.062 R)
• M17: 2,553,935 km (0.074 R)
• M18: 2,872,279 km (0.04 R)
• M19: 2,981,186 km (0.118 R)
• M20: 3,054,639 km (0.094 R)
• M21: 3,141,106 km (0.075 R)
• M22: 3,367,149 km (0.098 R)
• M23: 3,689,981 km (0.069 R)
• M24: 3,782,133 km (0.114 R)
• M25: 4,009,373 km (0.051 R)
• M26: 4,145,207 km (0.108 R)
• M27: 4,379,478 km (0.098 R)
• M28: 4,449,190 km (0.092 R)
• M29: 4,746,292 km (0.119 R)
• M30: 4,861,183 km (0.102 R)
• M31: 5,226,202 km (0.12 R)
• M32: 5,585,087 km (0.077 R)
• M33: 5,660,783 km (0.113 R)
• M34: 5,767,447 km (0.111 R)
• M35: 5,998,276 km (0.115 R)
• M36: 6,091,476 km (0.077 R)
• M37: 6,200,832 km (0.065 R)
• M38: 6,342,501 km (0.05 R)
• M39: 6,580,810 km (0.051 R)
• M40: 6,789,649 km (0.086 R)
• M41: 7,033,493 km (0.088 R)
• M42: 7,230,663 km (0.08 R)
• M43: 7,647,294 km (0.107 R)
• M44: 8,020,391 km (0.112 R)
• M45: 8,209,183 km (0.117 R)
• M46: 8,643,765 km (0.119 R)
• M47: 8,784,537 km (0.092 R)
• M48: 8,855,147 km (0.119 R)
• M49: 9,517,267 km (0.082 R)
• M50: 9,937,039 km (0.087 R)
• M51: 10,029,041 km (0.074 R)
• M52: 10,158,443 km (0.089 R)
• M53: 10,232,644 km (0.11 R)
• M54: 10,344,094 km (0.089 R)
• M55: 10,624,890 km (0.098 R)
• M56: 10,718,987 km (0.056 R)
• M57: 10,889,229 km (0.069 R)
• M58: 11,060,219 km (0.111 R)
• M59: 11,136,514 km (0.066 R)
• M60: 11,501,533 km (0.097 R)
• M61: 11,598,173 km (0.107 R)
• M62: 11,753,456 km (0.119 R)
• M63: 11,870,292 km (0.072 R)
• M64: 12,203,596 km (0.106 R)
• M65: 12,440,709 km (0.089 R)
• M66: 12,540,042 km (0.059 R)
• M67: 12,719,409 km (0.062 R)
• M68: 12,839,387 km (0.075 R)
• M69: 13,020,251 km (0.034 R)
• M70: 13,161,321 km (0.068 R)
• M71: 13,242,254 km (0.08 R)
• M72: 13,669,805 km (0.06 R)
• M73: 13,751,784 km (0.071 R)
• M74: 13,813,269 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.2

Radius: 9.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.02 AU - 5.28 AU

Year: 3839 Days

Day: 11.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 43,116,604 km

• M1: 123,568 km (0.108 R)
• M2: 198,367 km (0.093 R)
• M3: 261,347 km (0.084 R)
• M4: 384,616 km (0.076 R)
• M5: 603,328 km (0.105 R)
• M6: 765,343 km (0.068 R)
• M7: 905,666 km (0.117 R)
• M8: 994,078 km (0.115 R)
• M9: 1,172,399 km (0.112 R)
• M10: 1,278,015 km (0.093 R)
• M11: 1,498,971 km (0.075 R)
• M12: 1,659,340 km (0.026 R)
• M13: 1,920,238 km (0.072 R)
• M14: 2,085,245 km (0.072 R)
• M15: 2,224,670 km (0.066 R)
• M16: 2,305,752 km (0.03 R)
• M17: 2,429,170 km (0.097 R)
• M18: 2,586,697 km (0.094 R)
• M19: 2,845,950 km (0.095 R)
• M20: 3,034,742 km (0.105 R)
• M21: 3,113,730 km (0.116 R)
• M22: 3,227,724 km (0.084 R)
• M23: 3,459,900 km (0.111 R)
• M24: 4,002,341 km (0.064 R)
• M25: 4,302,584 km (0.086 R)
• M26: 4,885,268 km (0.106 R)
• M27: 5,111,909 km (0.073 R)
• M28: 5,260,310 km (0.071 R)
• M29: 5,520,311 km (0.099 R)
• M30: 5,967,609 km (0.084 R)
• M31: 6,426,575 km (0.111 R)
• M32: 6,616,415 km (0.101 R)
• M33: 7,242,033 km (0.1 R)
• M34: 8,152,785 km (0.091 R)
• M35: 8,279,195 km (0.093 R)
• M36: 8,453,776 km (0.097 R)
• M37: 8,613,696 km (0.087 R)
• M38: 8,678,023 km (0.117 R)
• M39: 9,115,746 km (0.12 R)
• M40: 9,246,944 km (0.119 R)
• M41: 9,610,766 km (0.102 R)
• M42: 10,097,557 km (0.04 R)
• M43: 10,472,150 km (0.105 R)
• M44: 11,130,082 km (0.105 R)
• M45: 11,235,249 km (0.11 R)
• M46: 11,393,523 km (0.049 R)
• M47: 11,641,108 km (0.053 R)
• M48: 11,872,685 km (0.08 R)
• M49: 11,980,097 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 15

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.53 AU - 10.23 AU

Year: 9288 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 43,116,604 km

• M1: 193,580 km (0.079 R)
• M2: 542,891 km (0.109 R)
• M3: 695,630 km (0.099 R)
• M4: 881,580 km (0.102 R)
• M5: 981,661 km (0.09 R)
• M6: 1,584,989 km (0.066 R)
• M7: 1,839,007 km (0.115 R)
• M8: 2,038,421 km (0.066 R)
• M9: 2,152,564 km (0.07 R)
• M10: 2,755,742 km (0.109 R)
• M11: 3,195,560 km (0.109 R)
• M12: 3,302,523 km (0.092 R)
• M13: 3,574,940 km (0.103 R)
• M14: 3,798,290 km (0.109 R)
• M15: 4,496,164 km (0.086 R)
• M16: 5,108,468 km (0.114 R)
• M17: 5,202,565 km (0.068 R)
• M18: 5,910,911 km (0.117 R)
• M19: 6,547,151 km (0.106 R)
• M20: 6,821,663 km (0.061 R)
• M21: 7,957,709 km (0.063 R)
• M22: 8,250,921 km (0.059 R)
• M23: 9,228,543 km (0.103 R)
• M24: 10,123,886 km (0.069 R)
• M25: 10,642,393 km (0.107 R)
• M26: 11,539,531 km (0.091 R)
• M27: 11,746,724 km (0.109 R)
• M28: 12,249,373 km (0.052 R)
• M29: 12,418,418 km (0.075 R)
• M30: 13,016,361 km (0.094 R)
• M31: 13,799,207 km (0.1 R)
• M32: 14,597,162 km (0.097 R)
• M33: 14,911,617 km (0.085 R)
• M34: 15,273,643 km (0.054 R)
• M35: 15,547,108 km (0.05 R)
• M36: 15,822,219 km (0.118 R)
• M37: 16,330,852 km (0.1 R)
• M38: 16,938,817 km (0.066 R)
• M39: 17,269,279 km (0.068 R)
• M40: 17,411,547 km (0.063 R)
• M41: 17,745,150 km (0.114 R)
• M42: 18,128,868 km (0.119 R)
• M43: 20,790,514 km (0.115 R)
• M44: 20,891,492 km (0.109 R)
• M45: 21,195,176 km (0.082 R)
• M46: 22,115,203 km (0.113 R)
• M47: 22,787,795 km (0.091 R)
• M48: 23,048,245 km (0.101 R)
• M49: 23,152,814 km (0.096 R)
• M50: 23,519,628 km (0.071 R)
• M51: 26,359,594 km (0.118 R)
• M52: 26,468,950 km (0.033 R)
• M53: 26,962,623 km (0.064 R)
• M54: 28,573,792 km (0.064 R)
• M55: 30,159,080 km (0.061 R)
• M56: 30,674,744 km (0.074 R)
• M57: 31,020,016 km (0.114 R)
• M58: 32,122,253 km (0.047 R)
• M59: 33,296,297 km (0.117 R)
• M60: 33,769,775 km (0.069 R)
• M61: 33,888,555 km (0.114 R)
• M62: 34,007,486 km (0.045 R)
• M63: 35,264,108 km (0.085 R)
• M64: 35,928,322 km (0.106 R)
• M65: 36,535,839 km (0.052 R)
• M66: 36,718,797 km (0.06 R)
• M67: 37,024,276 km (0.078 R)
• M68: 37,146,797 km (0.092 R)
• M69: 37,269,318 km (0.099 R)
• M70: 37,514,957 km (0.103 R)
• M71: 38,007,733 km (0.115 R)
• M72: 38,564,685 km (0.104 R)
• M73: 39,874,714 km (0.095 R)
• M74: 40,819,425 km (0.105 R)
• M75: 41,262,683 km (0.115 R)
• M76: 42,026,530 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit