🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.45 AU - 0.61 AU

Year: 253 Days

Day: 44.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,993,499 km

• M1: 40,691 km (0.117 R)
• M2: 239,656 km (0.078 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 13.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.98 AU - 2.32 AU

Year: 2068 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,993,499 km

• M1: 163,361 km (0.091 R)
• M2: 615,745 km (0.068 R)
• M3: 1,023,399 km (0.111 R)
• M4: 1,584,092 km (0.104 R)
• M5: 2,247,259 km (0.059 R)
• M6: 3,013,649 km (0.108 R)
• M7: 3,442,247 km (0.106 R)
• M8: 3,929,936 km (0.094 R)
• M9: 4,584,277 km (0.115 R)
• M10: 5,045,637 km (0.06 R)
• M11: 5,654,351 km (0.064 R)
• M12: 6,992,354 km (0.074 R)
• M13: 7,548,858 km (0.073 R)
• M14: 8,845,872 km (0.074 R)
• M15: 9,364,827 km (0.108 R)
• M16: 10,251,493 km (0.043 R)
• M17: 10,787,951 km (0.1 R)
• M18: 12,510,870 km (0.12 R)
• M19: 13,291,023 km (0.088 R)
• M20: 14,103,190 km (0.066 R)
• M21: 14,588,485 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 14.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.88 AU - 2.54 AU

Year: 2155 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,993,499 km

• M1: 185,352 km (0.03 R)
• M2: 657,483 km (0.065 R)
• M3: 1,291,778 km (0.11 R)
• M4: 2,308,445 km (0.116 R)
• M5: 3,334,985 km (0.088 R)
• M6: 3,996,358 km (0.079 R)
• M7: 4,900,976 km (0.097 R)
• M8: 5,391,956 km (0.055 R)
• M9: 6,144,284 km (0.108 R)
• M10: 7,750,217 km (0.111 R)
• M11: 8,564,179 km (0.075 R)
• M12: 9,188,600 km (0.072 R)
• M13: 9,811,376 km (0.055 R)
• M14: 10,329,883 km (0.087 R)
• M15: 12,142,859 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.9

Radius: 9.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.6 AU - 2.6 AU

Year: 2750 Days

Day: 12.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,993,499 km

• M1: 120,725 km (0.058 R)
• M2: 449,392 km (0.037 R)
• M3: 2,161,390 km (0.106 R)
• M4: 2,765,765 km (0.046 R)
• M5: 4,417,625 km (0.069 R)
• M6: 4,864,773 km (0.092 R)
• M7: 5,466,157 km (0.1 R)
• M8: 6,502,571 km (0.078 R)
• M9: 7,172,171 km (0.112 R)
• M10: 8,048,814 km (0.03 R)
• M11: 9,171,696 km (0.105 R)
• M12: 9,789,535 km (0.114 R)
• M13: 11,229,863 km (0.092 R)
• M14: 12,193,423 km (0.068 R)
• M15: 13,764,350 km (0.094 R)
• M16: 14,769,349 km (0.098 R)
• M17: 15,164,736 km (0.12 R)
• M18: 18,077,706 km (0.093 R)
• M19: 19,993,905 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.5

Radius: 5.2

Gravity: 17.62 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.26 AU - 6.56 AU

Year: 10646 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,993,499 km

• M1: 64,626 km (0.076 R)
• M2: 242,349 km (0.069 R)
• M3: 568,322 km (0.109 R)
• M4: 730,935 km (0.065 R)
• M5: 1,282,503 km (0.095 R)
• M6: 1,473,240 km (0.076 R)
• M7: 1,960,480 km (0.067 R)
• M8: 2,268,203 km (0.117 R)
• M9: 3,112,085 km (0.106 R)
• M10: 3,483,087 km (0.071 R)
• M11: 3,780,039 km (0.107 R)
• M12: 7,788,364 km (0.072 R)
• M13: 7,997,502 km (0.041 R)
• M14: 8,691,935 km (0.066 R)
• M15: 9,663,274 km (0.102 R)
• M16: 10,501,172 km (0.098 R)
• M17: 12,604,219 km (0.077 R)
• M18: 12,776,855 km (0.116 R)
• M19: 14,090,923 km (0.116 R)
• M20: 14,276,723 km (0.109 R)
• M21: 14,464,319 km (0.044 R)
• M22: 14,716,990 km (0.107 R)
• M23: 14,908,325 km (0.047 R)
• M24: 20,567,314 km (0.076 R)
• M25: 22,449,853 km (0.117 R)
• M26: 22,788,692 km (0.079 R)
• M27: 25,074,099 km (0.119 R)
• M28: 26,742,863 km (0.036 R)
• M29: 29,081,228 km (0.078 R)
• M30: 31,977,442 km (0.109 R)
• M31: 32,730,369 km (0.039 R)
• M32: 36,439,947 km (0.049 R)
• M33: 44,148,875 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.2

Radius: 4.8

Gravity: 18.59 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.27 AU - 8.89 AU

Year: 13690 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,993,499 km

• M1: 59,989 km (0.109 R)
• M2: 274,213 km (0.026 R)
• M3: 689,945 km (0.072 R)
• M4: 916,437 km (0.109 R)
• M5: 1,923,380 km (0.095 R)
• M6: 2,356,166 km (0.041 R)
• M7: 2,962,487 km (0.097 R)
• M8: 3,193,915 km (0.045 R)
• M9: 4,845,325 km (0.117 R)
• M10: 6,034,030 km (0.076 R)
• M11: 7,702,046 km (0.1 R)
• M12: 9,162,870 km (0.097 R)
• M13: 9,406,714 km (0.072 R)
• M14: 11,628,841 km (0.119 R)
• M15: 14,113,213 km (0.103 R)
• M16: 14,969,511 km (0.083 R)
• M17: 17,594,954 km (0.032 R)
• M18: 19,452,959 km (0.105 R)
• M19: 20,264,228 km (0.098 R)
• M20: 21,867,618 km (0.027 R)
• M21: 23,735,797 km (0.118 R)
• M22: 27,181,484 km (0.101 R)
• M23: 29,127,902 km (0.095 R)
• M24: 29,549,170 km (0.075 R)
• M25: 31,605,841 km (0.118 R)
• M26: 32,274,544 km (0.091 R)
• M27: 34,337,648 km (0.116 R)
• M28: 36,486,771 km (0.091 R)
• M29: 37,718,710 km (0.107 R)
• M30: 40,526,063 km (0.104 R)
• M31: 42,924,117 km (0.105 R)
• M32: 50,531,318 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749

Radius: 3.5

Gravity: 61.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.53 AU - 9.91 AU

Year: 16892 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,993,499 km

• M1: 43,533 km (0.078 R)
• M2: 330,163 km (0.117 R)
• M3: 501,302 km (0.105 R)
• M4: 929,003 km (0.028 R)
• M5: 1,163,722 km (0.117 R)
• M6: 1,499,270 km (0.112 R)
• M7: 1,630,018 km (0.101 R)
• M8: 1,840,503 km (0.063 R)
• M9: 2,358,710 km (0.077 R)
• M10: 2,468,664 km (0.111 R)
• M11: 3,201,694 km (0.119 R)
• M12: 3,884,458 km (0.099 R)
• M13: 6,170,314 km (0.118 R)
• M14: 6,680,592 km (0.055 R)
• M15: 7,218,546 km (0.042 R)
• M16: 9,058,301 km (0.106 R)
• M17: 9,383,526 km (0.091 R)
• M18: 9,942,574 km (0.114 R)
• M19: 10,822,508 km (0.115 R)
• M20: 11,816,885 km (0.087 R)
• M21: 12,735,566 km (0.088 R)
• M22: 17,214,975 km (0.029 R)
• M23: 17,713,435 km (0.031 R)
• M24: 18,136,199 km (0.081 R)
• M25: 20,721,399 km (0.075 R)
• M26: 21,096,292 km (0.086 R)
• M27: 27,498,183 km (0.119 R)
• M28: 30,770,786 km (0.105 R)
• M29: 37,381,067 km (0.09 R)
• M30: 43,182,772 km (0.109 R)
• M31: 44,255,987 km (0.091 R)
• M32: 45,820,033 km (0.079 R)
• M33: 46,936,482 km (0.111 R)
• M34: 47,258,715 km (0.101 R)
• M35: 50,732,378 km (0.06 R)
• M36: 54,549,816 km (0.069 R)
• M37: 57,627,493 km (0.061 R)
• M38: 59,491,034 km (0.073 R)
• M39: 62,360,770 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.7

Radius: 7.8

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.23 AU - 9.25 AU

Year: 18425 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,993,499 km

• M1: 137,780 km (0.095 R)
• M2: 389,852 km (0.099 R)
• M3: 1,199,625 km (0.096 R)
• M4: 2,032,586 km (0.08 R)
• M5: 2,733,901 km (0.062 R)
• M6: 3,179,404 km (0.09 R)
• M7: 3,615,182 km (0.108 R)
• M8: 4,506,337 km (0.059 R)
• M9: 5,460,921 km (0.066 R)
• M10: 6,417,150 km (0.096 R)
• M11: 7,341,815 km (0.117 R)
• M12: 8,302,233 km (0.095 R)
• M13: 10,825,650 km (0.08 R)
• M14: 11,435,112 km (0.066 R)
• M15: 11,875,079 km (0.118 R)
• M16: 12,523,287 km (0.07 R)
• M17: 12,856,142 km (0.061 R)
• M18: 13,126,615 km (0.108 R)
• M19: 17,821,295 km (0.104 R)
• M20: 18,498,525 km (0.09 R)
• M21: 20,541,433 km (0.049 R)
• M22: 21,569,619 km (0.116 R)
• M23: 23,829,894 km (0.11 R)
• M24: 24,444,591 km (0.105 R)
• M25: 27,902,546 km (0.063 R)
• M26: 28,815,243 km (0.088 R)
• M27: 30,460,520 km (0.083 R)
• M28: 30,941,776 km (0.1 R)
• M29: 32,792,003 km (0.11 R)
• M30: 36,575,931 km (0.045 R)
• M31: 38,363,028 km (0.075 R)
• M32: 40,932,221 km (0.093 R)
• M33: 52,015,479 km (0.058 R)
• M34: 53,745,877 km (0.076 R)
• M35: 54,979,761 km (0.109 R)
• M36: 64,941,782 km (0.095 R)
• M37: 65,539,126 km (0.046 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 17,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit