🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 10.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.05 AU - 2.27 AU

Year: 2083 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,838,328 km

• M1: 137,181 km (0.109 R)
• M2: 482,004 km (0.086 R)
• M3: 963,560 km (0.096 R)
• M4: 1,296,714 km (0.099 R)
• M5: 1,777,223 km (0.109 R)
• M6: 2,301,862 km (0.11 R)
• M7: 3,452,569 km (0.055 R)
• M8: 3,865,310 km (0.099 R)
• M9: 4,274,011 km (0.098 R)
• M10: 5,413,049 km (0.12 R)
• M11: 5,995,434 km (0.078 R)
• M12: 6,618,958 km (0.107 R)
• M13: 8,280,990 km (0.096 R)
• M14: 9,240,062 km (0.097 R)
• M15: 10,006,751 km (0.102 R)
• M16: 10,338,559 km (0.104 R)
• M17: 10,780,920 km (0.085 R)
• M18: 11,594,284 km (0.089 R)
• M19: 12,600,928 km (0.042 R)
• M20: 13,066,476 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.22 AU - 2.28 AU

Year: 2214 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,838,328 km

• M1: 202,705 km (0.093 R)
• M2: 678,576 km (0.071 R)
• M3: 1,169,556 km (0.115 R)
• M4: 1,871,320 km (0.092 R)
• M5: 2,444,429 km (0.115 R)
• M6: 3,519,440 km (0.069 R)
• M7: 4,054,102 km (0.09 R)
• M8: 4,775,314 km (0.06 R)
• M9: 11,108,988 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 12.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.28 AU - 4.72 AU

Year: 5248 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,838,328 km

• M1: 153,039 km (0.112 R)
• M2: 739,013 km (0.094 R)
• M3: 1,184,516 km (0.079 R)
• M4: 1,905,428 km (0.032 R)
• M5: 2,438,445 km (0.036 R)
• M6: 3,677,116 km (0.081 R)
• M7: 5,187,755 km (0.078 R)
• M8: 5,580,001 km (0.118 R)
• M9: 5,991,993 km (0.1 R)
• M10: 7,704,290 km (0.047 R)
• M11: 8,634,789 km (0.101 R)
• M12: 9,472,986 km (0.066 R)
• M13: 12,713,126 km (0.064 R)
• M14: 13,851,117 km (0.085 R)
• M15: 15,168,775 km (0.088 R)
• M16: 15,568,501 km (0.107 R)
• M17: 17,799,005 km (0.048 R)
• M18: 18,566,143 km (0.062 R)
• M19: 20,789,616 km (0.112 R)
• M20: 22,662,432 km (0.091 R)
• M21: 24,488,723 km (0.049 R)
• M22: 28,779,040 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36

Radius: 10.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.07 AU - 5.99 AU

Year: 8531 Days

Day: 6.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,838,328 km

• M1: 127,757 km (0.038 R)
• M2: 1,068,877 km (0.113 R)
• M3: 1,585,887 km (0.12 R)
• M4: 3,450,176 km (0.114 R)
• M5: 7,327,753 km (0.085 R)
• M6: 8,391,693 km (0.097 R)
• M7: 9,354,504 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.2

Radius: 6.6

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.49 AU - 9.29 AU

Year: 14539 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,838,328 km

• M1: 88,263 km (0.053 R)
• M2: 1,081,443 km (0.064 R)
• M3: 1,422,975 km (0.062 R)
• M4: 3,212,913 km (0.053 R)
• M5: 5,471,841 km (0.095 R)
• M6: 6,515,885 km (0.088 R)
• M7: 7,268,213 km (0.111 R)
• M8: 9,872,263 km (0.116 R)
• M9: 11,465,480 km (0.115 R)
• M10: 12,918,225 km (0.072 R)
• M11: 16,897,827 km (0.086 R)
• M12: 19,007,008 km (0.069 R)
• M13: 20,699,558 km (0.112 R)
• M14: 24,474,212 km (0.061 R)
• M15: 26,670,159 km (0.095 R)
• M16: 28,171,074 km (0.11 R)
• M17: 28,477,750 km (0.109 R)
• M18: 31,779,824 km (0.079 R)
• M19: 40,545,212 km (0.059 R)
• M20: 43,608,677 km (0.12 R)
• M21: 44,019,323 km (0.093 R)
• M22: 45,687,639 km (0.099 R)
• M23: 49,297,884 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.9

Radius: 5.7

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.06 AU - 9.8 AU

Year: 17506 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,838,328 km

• M1: 70,909 km (0.085 R)
• M2: 273,465 km (0.097 R)
• M3: 1,203,365 km (0.071 R)
• M4: 1,784,852 km (0.112 R)
• M5: 1,968,858 km (0.101 R)
• M6: 3,502,535 km (0.102 R)
• M7: 5,313,716 km (0.119 R)
• M8: 7,670,930 km (0.06 R)
• M9: 9,130,556 km (0.057 R)
• M10: 10,059,410 km (0.097 R)
• M11: 16,936,274 km (0.113 R)
• M12: 20,231,317 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.8

Radius: 3.5

Gravity: 42.43 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.49 AU - 10.87 AU

Year: 19757 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,838,328 km

• M1: 102,475 km (0.078 R)
• M2: 399,726 km (0.106 R)
• M3: 736,770 km (0.105 R)
• M4: 959,371 km (0.052 R)
• M5: 1,619,397 km (0.055 R)
• M6: 2,340,309 km (0.111 R)
• M7: 3,307,011 km (0.065 R)
• M8: 4,187,544 km (0.09 R)
• M9: 4,784,888 km (0.114 R)
• M10: 5,551,427 km (0.084 R)
• M11: 7,891,886 km (0.109 R)
• M12: 10,055,370 km (0.05 R)
• M13: 11,426,884 km (0.101 R)
• M14: 14,977,589 km (0.082 R)
• M15: 17,492,329 km (0.055 R)
• M16: 25,614,147 km (0.11 R)
• M17: 31,573,079 km (0.042 R)
• M18: 35,797,424 km (0.049 R)
• M19: 47,567,485 km (0.075 R)
• M20: 54,845,272 km (0.042 R)
• M21: 59,587,076 km (0.094 R)
• M22: 65,189,815 km (0.097 R)
• M23: 65,989,266 km (0.051 R)
• M24: 68,426,365 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 11,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit