🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.65 AU - 0.71 AU

Year: 236 Days

Day: 41.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.77 AU - 0.91 AU

Year: 325 Days

Day: 27.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 41,548,654 km

• M1: 77,043 km (0.107 R)
• M2: 96,042 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.95 AU - 0.99 AU

Year: 403 Days

Day: 21 Hours

Environment

Temp: -37 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.77 AU - 1.17 AU

Year: 403 Days

Day: 30.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,548,654 km

• M1: 612,005 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.66 AU - 2.1 AU

Year: 1087 Days

Day: 37.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,548,654 km

• M1: 1,036,863 km (0.06 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.78 AU - 2.64 AU

Year: 1386 Days

Day: 29.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 8.8

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.53 AU - 3.95 AU

Year: 3050 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 41,548,654 km

• M1: 112,946 km (0.113 R)
• M2: 199,564 km (0.065 R)
• M3: 287,826 km (0.075 R)
• M4: 349,760 km (0.117 R)
• M5: 441,314 km (0.107 R)
• M6: 524,789 km (0.095 R)
• M7: 604,974 km (0.078 R)
• M8: 728,990 km (0.112 R)
• M9: 809,624 km (0.074 R)
• M10: 926,011 km (0.112 R)
• M11: 980,764 km (0.096 R)
• M12: 1,070,822 km (0.095 R)
• M13: 1,187,508 km (0.095 R)
• M14: 1,370,765 km (0.066 R)
• M15: 1,778,419 km (0.106 R)
• M16: 2,388,330 km (0.114 R)
• M17: 2,558,273 km (0.071 R)
• M18: 3,431,775 km (0.112 R)
• M19: 3,712,421 km (0.105 R)
• M20: 3,964,194 km (0.104 R)
• M21: 4,258,752 km (0.064 R)
• M22: 4,522,344 km (0.091 R)
• M23: 4,966,949 km (0.107 R)
• M24: 5,264,499 km (0.061 R)
• M25: 5,608,723 km (0.115 R)
• M26: 5,856,158 km (0.097 R)
• M27: 6,044,203 km (0.09 R)
• M28: 6,128,277 km (0.101 R)
• M29: 6,490,453 km (0.102 R)
• M30: 6,555,079 km (0.115 R)
• M31: 6,925,484 km (0.084 R)
• M32: 7,079,869 km (0.101 R)
• M33: 7,213,310 km (0.102 R)
• M34: 7,572,943 km (0.091 R)
• M35: 7,823,520 km (0.04 R)
• M36: 8,146,651 km (0.064 R)
• M37: 8,380,024 km (0.109 R)
• M38: 8,473,971 km (0.098 R)
• M39: 8,758,058 km (0.07 R)
• M40: 8,973,179 km (0.101 R)
• M41: 9,189,947 km (0.051 R)
• M42: 9,262,651 km (0.101 R)
• M43: 9,555,265 km (0.105 R)
• M44: 9,801,503 km (0.1 R)
• M45: 9,975,036 km (0.032 R)
• M46: 10,552,634 km (0.08 R)
• M47: 11,037,929 km (0.061 R)
• M48: 11,115,271 km (0.12 R)
• M49: 11,218,494 km (0.083 R)
• M50: 11,582,765 km (0.11 R)
• M51: 12,725,543 km (0.081 R)
• M52: 13,544,142 km (0.027 R)
• M53: 13,931,900 km (0.118 R)
• M54: 14,379,497 km (0.058 R)
• M55: 14,435,895 km (0.035 R)
• M56: 15,346,498 km (0.091 R)
• M57: 15,577,028 km (0.077 R)
• M58: 16,100,022 km (0.069 R)
• M59: 16,217,008 km (0.051 R)
• M60: 16,451,876 km (0.067 R)
• M61: 17,312,662 km (0.116 R)
• M62: 17,824,138 km (0.113 R)
• M63: 17,914,943 km (0.042 R)
• M64: 18,066,486 km (0.096 R)
• M65: 18,157,741 km (0.089 R)
• M66: 18,554,624 km (0.09 R)
• M67: 19,201,784 km (0.106 R)
• M68: 19,543,765 km (0.064 R)
• M69: 19,637,264 km (0.105 R)
• M70: 19,887,691 km (0.063 R)
• M71: 20,486,531 km (0.108 R)
• M72: 20,613,390 km (0.109 R)
• M73: 21,347,616 km (0.105 R)
• M74: 21,572,911 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 9

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.13 AU - 9.33 AU

Year: 10879 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 41,548,654 km

• M1: 149,448 km (0.07 R)
• M2: 249,230 km (0.067 R)
• M3: 500,106 km (0.088 R)
• M4: 921,074 km (0.088 R)
• M5: 1,000,511 km (0.056 R)
• M6: 1,082,490 km (0.051 R)
• M7: 1,387,819 km (0.091 R)
• M8: 1,574,368 km (0.106 R)
• M9: 2,682,739 km (0.06 R)
• M10: 3,529,163 km (0.036 R)
• M11: 3,656,471 km (0.043 R)
• M12: 3,785,425 km (0.047 R)
• M13: 3,915,724 km (0.108 R)
• M14: 4,214,770 km (0.081 R)
• M15: 4,418,074 km (0.101 R)
• M16: 4,694,381 km (0.103 R)
• M17: 4,940,769 km (0.075 R)
• M18: 5,780,013 km (0.078 R)
• M19: 6,082,350 km (0.083 R)
• M20: 6,312,432 km (0.096 R)
• M21: 6,584,550 km (0.113 R)
• M22: 6,741,778 km (0.071 R)
• M23: 7,140,306 km (0.094 R)
• M24: 7,342,413 km (0.111 R)
• M25: 8,637,482 km (0.081 R)
• M26: 8,853,052 km (0.114 R)
• M27: 10,364,888 km (0.092 R)
• M28: 10,870,828 km (0.081 R)
• M29: 11,338,023 km (0.113 R)
• M30: 11,954,964 km (0.09 R)
• M31: 12,050,856 km (0.102 R)
• M32: 12,291,709 km (0.092 R)
• M33: 12,485,588 km (0.109 R)
• M34: 13,519,758 km (0.091 R)
• M35: 14,275,227 km (0.096 R)
• M36: 15,617,120 km (0.108 R)
• M37: 16,090,897 km (0.073 R)
• M38: 16,249,919 km (0.08 R)
• M39: 16,676,423 km (0.096 R)
• M40: 16,837,390 km (0.091 R)
• M41: 18,975,592 km (0.077 R)
• M42: 20,333,492 km (0.085 R)
• M43: 21,024,186 km (0.103 R)
• M44: 21,256,062 km (0.108 R)
• M45: 21,314,256 km (0.089 R)
• M46: 22,606,033 km (0.098 R)
• M47: 24,044,118 km (0.088 R)
• M48: 24,165,292 km (0.073 R)
• M49: 24,652,084 km (0.083 R)
• M50: 25,573,457 km (0.081 R)
• M51: 26,318,604 km (0.1 R)
• M52: 26,443,518 km (0.083 R)
• M53: 27,449,713 km (0.054 R)
• M54: 27,639,852 km (0.057 R)
• M55: 29,629,354 km (0.118 R)
• M56: 29,954,580 km (0.082 R)
• M57: 30,019,655 km (0.112 R)
• M58: 30,084,880 km (0.034 R)
• M59: 31,731,055 km (0.111 R)
• M60: 32,397,513 km (0.111 R)
• M61: 33,812,410 km (0.109 R)
• M62: 36,702,042 km (0.06 R)
• M63: 37,682,656 km (0.052 R)
• M64: 37,753,117 km (0.105 R)
• M65: 37,964,499 km (0.103 R)
• M66: 38,317,699 km (0.03 R)
• M67: 38,388,459 km (0.098 R)
• M68: 39,098,600 km (0.117 R)
• M69: 40,100,158 km (0.071 R)
• M70: 41,254,904 km (0.107 R)
• M71: 41,982,249 km (0.112 R)
• M72: 42,128,256 km (0.089 R)
• M73: 42,713,782 km (0.118 R)
• M74: 43,154,797 km (0.065 R)
• M75: 43,967,113 km (0.103 R)
• M76: 44,041,164 km (0.104 R)
• M77: 44,412,317 km (0.069 R)
• M78: 44,933,665 km (0.038 R)
• M79: 47,570,627 km (0.115 R)
• M80: 48,409,721 km (0.066 R)
• M81: 48,486,166 km (0.074 R)
• M82: 50,800,445 km (0.119 R)
• M83: 51,267,639 km (0.114 R)
• M84: 52,284,755 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 9.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.97 AU - 9.05 AU

Year: 11406 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 41,548,654 km

• M1: 174,581 km (0.097 R)
• M2: 384,467 km (0.109 R)
• M3: 469,887 km (0.071 R)
• M4: 633,098 km (0.057 R)
• M5: 880,533 km (0.096 R)
• M6: 1,687,165 km (0.111 R)
• M7: 1,878,800 km (0.109 R)
• M8: 1,966,464 km (0.059 R)
• M9: 2,033,035 km (0.091 R)
• M10: 2,283,761 km (0.093 R)
• M11: 2,424,682 km (0.1 R)
• M12: 2,890,380 km (0.081 R)
• M13: 3,068,851 km (0.119 R)
• M14: 4,015,506 km (0.041 R)
• M15: 4,833,507 km (0.043 R)
• M16: 5,045,936 km (0.067 R)
• M17: 5,574,765 km (0.044 R)
• M18: 6,056,021 km (0.099 R)
• M19: 6,121,246 km (0.099 R)
• M20: 6,517,381 km (0.101 R)
• M21: 7,126,992 km (0.072 R)
• M22: 7,369,042 km (0.106 R)
• M23: 8,183,303 km (0.079 R)
• M24: 8,255,409 km (0.068 R)
• M25: 8,327,814 km (0.075 R)
• M26: 8,473,223 km (0.084 R)
• M27: 8,582,879 km (0.079 R)
• M28: 8,877,437 km (0.084 R)
• M29: 9,250,384 km (0.119 R)
• M30: 9,552,422 km (0.102 R)
• M31: 9,628,418 km (0.11 R)
• M32: 9,819,305 km (0.116 R)
• M33: 10,282,759 km (0.051 R)
• M34: 10,399,745 km (0.046 R)
• M35: 10,792,738 km (0.097 R)
• M36: 11,030,898 km (0.115 R)
• M37: 11,230,761 km (0.102 R)
• M38: 11,472,212 km (0.114 R)
• M39: 12,247,877 km (0.115 R)
• M40: 12,371,894 km (0.113 R)
• M41: 14,325,492 km (0.086 R)
• M42: 14,587,438 km (0.063 R)
• M43: 15,115,818 km (0.071 R)
• M44: 15,605,751 km (0.064 R)
• M45: 15,920,205 km (0.106 R)
• M46: 16,327,710 km (0.086 R)
• M47: 16,418,666 km (0.112 R)
• M48: 17,337,944 km (0.084 R)
• M49: 18,321,251 km (0.065 R)
• M50: 19,757,092 km (0.115 R)
• M51: 19,999,889 km (0.04 R)
• M52: 20,586,612 km (0.07 R)
• M53: 21,827,227 km (0.108 R)
• M54: 22,431,453 km (0.116 R)
• M55: 22,939,038 km (0.12 R)
• M56: 23,092,077 km (0.112 R)
• M57: 24,276,443 km (0.077 R)
• M58: 24,484,384 km (0.089 R)
• M59: 26,436,337 km (0.093 R)
• M60: 26,596,856 km (0.04 R)
• M61: 29,152,586 km (0.094 R)
• M62: 29,539,895 km (0.096 R)
• M63: 29,984,649 km (0.026 R)
• M64: 30,096,100 km (0.037 R)
• M65: 30,487,597 km (0.093 R)
• M66: 31,218,981 km (0.081 R)
• M67: 31,672,113 km (0.064 R)
• M68: 32,470,068 km (0.078 R)
• M69: 32,527,215 km (0.072 R)
• M70: 33,044,075 km (0.097 R)
• M71: 33,332,350 km (0.065 R)
• M72: 33,563,479 km (0.097 R)
• M73: 33,853,400 km (0.091 R)
• M74: 34,727,650 km (0.062 R)
• M75: 35,138,146 km (0.07 R)
• M76: 36,260,729 km (0.109 R)
• M77: 36,439,049 km (0.079 R)
• M78: 37,215,014 km (0.091 R)
• M79: 37,514,957 km (0.072 R)
• M80: 38,298,551 km (0.119 R)
• M81: 38,905,021 km (0.061 R)
• M82: 39,270,339 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 10,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit