🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.93 AU - 1.31 AU

Year: 431 Days

Day: 18.3 Hours

Environment

Temp: 29 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,021,585 km

• M1: 40,391 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.53 AU - 5.65 AU

Year: 3574 Days

Day: 24.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,021,585 km

• M1: 1,125,724 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.3

Radius: 11.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.96 AU - 5.32 AU

Year: 4235 Days

Day: 9.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,021,585 km

• M1: 139,874 km (0.065 R)
• M2: 509,830 km (0.105 R)
• M3: 1,194,988 km (0.073 R)
• M4: 2,038,570 km (0.103 R)
• M5: 2,791,795 km (0.086 R)
• M6: 3,838,831 km (0.046 R)
• M7: 5,058,652 km (0.049 R)
• M8: 6,296,275 km (0.117 R)
• M9: 6,897,210 km (0.109 R)
• M10: 9,002,650 km (0.114 R)
• M11: 9,691,548 km (0.069 R)
• M12: 12,229,776 km (0.028 R)
• M13: 13,120,631 km (0.098 R)
• M14: 14,782,962 km (0.065 R)
• M15: 15,690,573 km (0.113 R)
• M16: 18,868,779 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.2

Radius: 14

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.6 AU - 6.12 AU

Year: 4510 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,021,585 km

• M1: 174,132 km (0.105 R)
• M2: 1,051,075 km (0.031 R)
• M3: 1,507,049 km (0.111 R)
• M4: 2,014,036 km (0.115 R)
• M5: 3,220,393 km (0.059 R)
• M6: 5,325,684 km (0.11 R)
• M7: 7,473,162 km (0.096 R)
• M8: 9,955,589 km (0.074 R)
• M9: 11,349,392 km (0.096 R)
• M10: 12,238,751 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 9.8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.2 AU - 5.68 AU

Year: 4611 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,021,585 km

• M1: 121,922 km (0.052 R)
• M2: 592,707 km (0.084 R)
• M3: 975,977 km (0.092 R)
• M4: 1,392,307 km (0.07 R)
• M5: 1,704,817 km (0.06 R)
• M6: 2,814,385 km (0.096 R)
• M7: 3,483,087 km (0.052 R)
• M8: 3,888,647 km (0.084 R)
• M9: 4,325,473 km (0.095 R)
• M10: 4,743,898 km (0.105 R)
• M11: 5,605,133 km (0.043 R)
• M12: 5,983,466 km (0.111 R)
• M13: 6,378,853 km (0.096 R)
• M14: 7,920,160 km (0.116 R)
• M15: 8,739,059 km (0.065 R)
• M16: 9,169,153 km (0.102 R)
• M17: 11,259,484 km (0.082 R)
• M18: 12,342,572 km (0.107 R)
• M19: 13,237,766 km (0.106 R)
• M20: 15,550,549 km (0.077 R)
• M21: 16,772,614 km (0.104 R)
• M22: 19,079,862 km (0.117 R)
• M23: 20,684,898 km (0.091 R)
• M24: 21,239,307 km (0.061 R)
• M25: 21,874,949 km (0.069 R)
• M26: 23,782,471 km (0.077 R)
• M27: 27,758,035 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 8.1

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 10.36 AU - 11.34 AU

Year: 12989 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,021,585 km

• M1: 100,679 km (0.102 R)
• M2: 398,080 km (0.116 R)
• M3: 992,283 km (0.096 R)
• M4: 1,565,841 km (0.109 R)
• M5: 1,822,102 km (0.109 R)
• M6: 2,089,134 km (0.108 R)
• M7: 2,519,228 km (0.104 R)
• M8: 2,940,197 km (0.091 R)
• M9: 3,262,131 km (0.085 R)
• M10: 4,087,762 km (0.044 R)
• M11: 5,110,263 km (0.075 R)
• M12: 5,543,200 km (0.095 R)
• M13: 7,779,688 km (0.073 R)
• M14: 8,954,480 km (0.107 R)
• M15: 9,584,287 km (0.112 R)
• M16: 13,062,288 km (0.114 R)
• M17: 14,063,696 km (0.046 R)
• M18: 17,822,043 km (0.081 R)
• M19: 18,430,458 km (0.065 R)
• M20: 19,528,356 km (0.101 R)
• M21: 20,421,157 km (0.117 R)
• M22: 21,003,242 km (0.118 R)
• M23: 22,463,018 km (0.071 R)
• M24: 23,262,768 km (0.112 R)
• M25: 23,715,002 km (0.115 R)
• M26: 26,065,484 km (0.077 R)
• M27: 26,357,499 km (0.087 R)
• M28: 27,850,935 km (0.114 R)
• M29: 30,679,831 km (0.063 R)
• M30: 34,624,577 km (0.084 R)
• M31: 35,931,015 km (0.109 R)
• M32: 39,788,994 km (0.043 R)
• M33: 42,553,862 km (0.103 R)
• M34: 43,503,360 km (0.032 R)
• M35: 46,151,392 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 13

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.09 AU - 11.93 AU

Year: 13277 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,021,585 km

• M1: 162,463 km (0.081 R)
• M2: 665,860 km (0.081 R)
• M3: 1,181,374 km (0.099 R)
• M4: 1,609,972 km (0.097 R)
• M5: 3,169,530 km (0.116 R)
• M6: 3,711,224 km (0.09 R)
• M7: 4,194,575 km (0.102 R)
• M8: 5,394,350 km (0.081 R)
• M9: 6,209,359 km (0.119 R)
• M10: 10,534,084 km (0.116 R)
• M11: 11,628,093 km (0.112 R)
• M12: 12,606,912 km (0.083 R)
• M13: 16,318,884 km (0.101 R)
• M14: 18,342,793 km (0.113 R)
• M15: 22,049,380 km (0.08 R)
• M16: 28,558,084 km (0.071 R)
• M17: 31,602,101 km (0.106 R)
• M18: 34,237,417 km (0.058 R)
• M19: 37,536,948 km (0.093 R)
• M20: 38,062,785 km (0.08 R)
• M21: 46,702,660 km (0.061 R)
• M22: 47,311,075 km (0.115 R)
• M23: 48,233,495 km (0.105 R)
• M24: 49,011,254 km (0.082 R)
• M25: 55,198,922 km (0.093 R)
• M26: 55,708,452 km (0.096 R)
• M27: 57,604,006 km (0.105 R)
• M28: 59,009,179 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.1

Radius: 3.3

Gravity: 33.89 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 14.36 AU - 20.7 AU

Year: 26675 Days

Day: 15.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,021,585 km

• M1: 58,044 km (0.046 R)
• M2: 161,117 km (0.089 R)
• M3: 304,282 km (0.114 R)
• M4: 429,196 km (0.096 R)
• M5: 745,446 km (0.107 R)
• M6: 1,026,541 km (0.113 R)
• M7: 1,389,615 km (0.098 R)
• M8: 1,566,589 km (0.083 R)
• M9: 1,888,673 km (0.112 R)
• M10: 2,475,097 km (0.066 R)
• M11: 3,146,791 km (0.098 R)
• M12: 3,869,947 km (0.108 R)
• M13: 4,253,516 km (0.059 R)
• M14: 6,086,090 km (0.064 R)
• M15: 11,140,853 km (0.112 R)
• M16: 11,979,498 km (0.111 R)
• M17: 14,000,117 km (0.096 R)
• M18: 14,295,573 km (0.052 R)
• M19: 15,129,431 km (0.07 R)
• M20: 17,312,513 km (0.111 R)
• M21: 18,789,642 km (0.079 R)
• M22: 19,513,097 km (0.105 R)
• M23: 22,896,702 km (0.106 R)
• M24: 23,409,972 km (0.092 R)
• M25: 23,617,315 km (0.112 R)
• M26: 28,970,675 km (0.094 R)
• M27: 29,570,862 km (0.087 R)
• M28: 37,432,080 km (0.118 R)
• M29: 44,165,630 km (0.025 R)
• M30: 51,662,577 km (0.077 R)
• M31: 58,427,543 km (0.097 R)
• M32: 62,717,112 km (0.089 R)
• M33: 70,828,458 km (0.104 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 19,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit