🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.41 AU - 3.83 AU

Year: 1937 Days

Day: 40.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,191,573 km

• M1: 362,027 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.72 AU - 4.22 AU

Year: 2272 Days

Day: 34.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 13.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.81 AU - 8.85 AU

Year: 7701 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,191,573 km

• M1: 168,298 km (0.079 R)
• M2: 848,968 km (0.044 R)
• M3: 1,309,879 km (0.053 R)
• M4: 1,896,303 km (0.084 R)
• M5: 2,448,169 km (0.086 R)
• M6: 3,106,699 km (0.049 R)
• M7: 3,609,348 km (0.074 R)
• M8: 4,839,342 km (0.103 R)
• M9: 5,715,237 km (0.108 R)
• M10: 6,191,407 km (0.104 R)
• M11: 6,620,603 km (0.106 R)
• M12: 7,185,186 km (0.078 R)
• M13: 9,165,712 km (0.083 R)
• M14: 10,013,184 km (0.053 R)
• M15: 10,606,788 km (0.114 R)
• M16: 11,594,433 km (0.071 R)
• M17: 12,529,420 km (0.09 R)
• M18: 14,301,257 km (0.109 R)
• M19: 15,506,717 km (0.085 R)
• M20: 17,055,204 km (0.087 R)
• M21: 19,076,720 km (0.047 R)
• M22: 19,606,147 km (0.097 R)
• M23: 23,591,285 km (0.113 R)
• M24: 24,377,871 km (0.088 R)
• M25: 28,772,607 km (0.054 R)
• M26: 37,540,090 km (0.093 R)
• M27: 38,853,409 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 11.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.63 AU - 9.21 AU

Year: 9363 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,191,573 km

• M1: 148,401 km (0.068 R)
• M2: 1,468,602 km (0.086 R)
• M3: 2,286,603 km (0.075 R)
• M4: 2,875,421 km (0.09 R)
• M5: 5,008,088 km (0.055 R)
• M6: 11,855,781 km (0.086 R)
• M7: 22,521,660 km (0.08 R)
• M8: 25,129,151 km (0.106 R)
• M9: 27,212,301 km (0.099 R)
• M10: 29,596,443 km (0.03 R)
• M11: 35,837,816 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.3

Radius: 7.6

Gravity: 16.11 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.45 AU - 17.53 AU

Year: 21427 Days

Day: 23 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,191,573 km

• M1: 119,828 km (0.12 R)
• M2: 490,382 km (0.116 R)
• M3: 1,152,801 km (0.116 R)
• M4: 1,734,587 km (0.071 R)
• M5: 2,113,220 km (0.092 R)
• M6: 4,741,953 km (0.029 R)
• M7: 5,322,243 km (0.054 R)
• M8: 9,070,119 km (0.111 R)
• M9: 9,599,247 km (0.113 R)
• M10: 10,336,315 km (0.105 R)
• M11: 10,783,314 km (0.115 R)
• M12: 11,716,206 km (0.097 R)
• M13: 13,363,877 km (0.103 R)
• M14: 14,439,336 km (0.078 R)
• M15: 15,488,466 km (0.062 R)
• M16: 18,378,996 km (0.113 R)
• M17: 21,817,503 km (0.11 R)
• M18: 25,778,107 km (0.093 R)
• M19: 28,544,919 km (0.099 R)
• M20: 36,388,485 km (0.113 R)
• M21: 42,238,510 km (0.117 R)
• M22: 54,791,417 km (0.099 R)
• M23: 58,327,611 km (0.112 R)
• M24: 60,767,852 km (0.117 R)
• M25: 70,070,446 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.3

Radius: 3.6

Gravity: 40.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 14.44 AU - 21.66 AU

Year: 26952 Days

Day: 23.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,191,573 km

• M1: 52,060 km (0.059 R)
• M2: 267,331 km (0.106 R)
• M3: 446,400 km (0.095 R)
• M4: 589,864 km (0.074 R)
• M5: 1,022,651 km (0.063 R)
• M6: 1,305,840 km (0.089 R)
• M7: 3,614,733 km (0.103 R)
• M8: 4,619,881 km (0.112 R)
• M9: 7,162,746 km (0.032 R)
• M10: 8,024,131 km (0.087 R)
• M11: 9,238,417 km (0.084 R)
• M12: 9,768,741 km (0.114 R)
• M13: 10,444,026 km (0.06 R)
• M14: 12,232,618 km (0.073 R)
• M15: 12,943,806 km (0.12 R)
• M16: 13,235,821 km (0.099 R)
• M17: 14,921,191 km (0.097 R)
• M18: 16,065,016 km (0.093 R)
• M19: 17,090,809 km (0.1 R)
• M20: 20,527,969 km (0.065 R)
• M21: 21,226,143 km (0.095 R)
• M22: 22,250,888 km (0.036 R)
• M23: 23,631,676 km (0.085 R)
• M24: 27,751,751 km (0.05 R)
• M25: 29,349,905 km (0.025 R)
• M26: 30,620,141 km (0.06 R)
• M27: 45,062,918 km (0.105 R)
• M28: 47,093,559 km (0.106 R)
• M29: 52,804,907 km (0.113 R)
• M30: 54,870,105 km (0.047 R)
• M31: 57,575,433 km (0.067 R)
• M32: 61,592,435 km (0.095 R)
• M33: 64,937,444 km (0.105 R)
• M34: 77,836,071 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.1

Radius: 5.6

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 17.22 AU - 19.42 AU

Year: 27559 Days

Day: 16.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 113.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,191,573 km

• M1: 74,051 km (0.107 R)
• M2: 386,262 km (0.117 R)
• M3: 645,814 km (0.106 R)
• M4: 2,083,749 km (0.051 R)
• M5: 3,368,794 km (0.101 R)
• M6: 4,784,589 km (0.1 R)
• M7: 6,644,389 km (0.115 R)
• M8: 6,866,991 km (0.072 R)
• M9: 9,264,895 km (0.077 R)
• M10: 9,655,645 km (0.117 R)
• M11: 11,583,662 km (0.07 R)
• M12: 12,911,044 km (0.11 R)
• M13: 14,410,464 km (0.117 R)
• M14: 18,969,758 km (0.092 R)
• M15: 20,711,975 km (0.034 R)
• M16: 21,767,986 km (0.034 R)
• M17: 23,469,662 km (0.095 R)
• M18: 25,258,104 km (0.093 R)
• M19: 41,728,830 km (0.103 R)
• M20: 48,553,485 km (0.099 R)
• M21: 50,411,490 km (0.094 R)
• M22: 52,667,875 km (0.071 R)
• M23: 59,647,962 km (0.09 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 16,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit