🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 8.3

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.58 AU - 0.96 AU

Year: 451 Days

Day: 14.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,574,419 km

• M1: 103,223 km (0.083 R)
• M2: 361,428 km (0.118 R)
• M3: 633,397 km (0.081 R)
• M4: 1,011,730 km (0.098 R)
• M5: 1,407,267 km (0.087 R)
• M6: 1,696,440 km (0.062 R)
• M7: 2,112,172 km (0.12 R)
• M8: 2,669,125 km (0.113 R)
• M9: 2,982,533 km (0.032 R)
• M10: 3,851,248 km (0.044 R)
• M11: 4,111,847 km (0.062 R)
• M12: 4,752,126 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 13.3

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.95 AU - 1.01 AU

Year: 647 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,574,419 km

• M1: 165,455 km (0.082 R)
• M2: 761,453 km (0.102 R)
• M3: 1,260,212 km (0.105 R)
• M4: 1,708,108 km (0.071 R)
• M5: 2,377,559 km (0.11 R)
• M6: 3,746,379 km (0.061 R)
• M7: 4,318,891 km (0.071 R)
• M8: 4,949,296 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 13.1

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.15 AU - 2.43 AU

Year: 2311 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,574,419 km

• M1: 163,211 km (0.097 R)
• M2: 700,268 km (0.108 R)
• M3: 1,594,115 km (0.082 R)
• M4: 2,438,595 km (0.081 R)
• M5: 3,164,893 km (0.077 R)
• M6: 4,204,897 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 8.6

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2 AU - 2.74 AU

Year: 2433 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,574,419 km

• M1: 108,458 km (0.079 R)
• M2: 430,991 km (0.089 R)
• M3: 725,250 km (0.086 R)
• M4: 994,826 km (0.08 R)
• M5: 1,446,013 km (0.055 R)
• M6: 1,872,816 km (0.107 R)
• M7: 2,595,523 km (0.082 R)
• M8: 3,368,046 km (0.112 R)
• M9: 3,751,017 km (0.114 R)
• M10: 4,265,185 km (0.105 R)
• M11: 4,803,139 km (0.091 R)
• M12: 5,123,877 km (0.053 R)
• M13: 5,757,274 km (0.077 R)
• M14: 6,040,612 km (0.086 R)
• M15: 6,387,530 km (0.084 R)
• M16: 7,004,920 km (0.081 R)
• M17: 8,588,713 km (0.073 R)
• M18: 9,131,304 km (0.092 R)
• M19: 9,588,924 km (0.081 R)
• M20: 10,703,428 km (0.069 R)
• M21: 11,172,567 km (0.071 R)
• M22: 12,320,581 km (0.099 R)
• M23: 14,753,791 km (0.092 R)
• M24: 16,032,553 km (0.049 R)
• M25: 16,543,430 km (0.095 R)
• M26: 17,065,228 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 8.4

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.97 AU - 3.01 AU

Year: 2620 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,574,419 km

• M1: 130,599 km (0.063 R)
• M2: 395,686 km (0.083 R)
• M3: 715,377 km (0.117 R)
• M4: 1,045,689 km (0.069 R)
• M5: 1,885,382 km (0.109 R)
• M6: 3,503,582 km (0.052 R)
• M7: 4,771,873 km (0.104 R)
• M8: 5,080,942 km (0.052 R)
• M9: 6,453,802 km (0.062 R)
• M10: 6,722,779 km (0.111 R)
• M11: 8,854,249 km (0.048 R)
• M12: 11,954,216 km (0.101 R)
• M13: 13,159,227 km (0.119 R)
• M14: 13,946,561 km (0.076 R)
• M15: 14,215,986 km (0.106 R)
• M16: 15,808,456 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 11

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.46 AU - 4.84 AU

Year: 5638 Days

Day: 10.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,574,419 km

• M1: 137,331 km (0.089 R)
• M2: 481,406 km (0.097 R)
• M3: 849,267 km (0.115 R)
• M4: 1,796,970 km (0.098 R)
• M5: 2,263,117 km (0.043 R)
• M6: 2,946,031 km (0.105 R)
• M7: 3,480,694 km (0.101 R)
• M8: 4,014,309 km (0.093 R)
• M9: 5,219,919 km (0.089 R)
• M10: 6,993,401 km (0.107 R)
• M11: 8,121,070 km (0.113 R)
• M12: 9,024,791 km (0.079 R)
• M13: 9,404,620 km (0.108 R)
• M14: 10,734,395 km (0.086 R)
• M15: 11,867,300 km (0.051 R)
• M16: 14,369,923 km (0.088 R)
• M17: 18,028,189 km (0.098 R)
• M18: 18,510,193 km (0.042 R)
• M19: 18,938,791 km (0.069 R)
• M20: 19,311,589 km (0.081 R)
• M21: 21,315,901 km (0.08 R)
• M22: 21,922,970 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.1

Radius: 8.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.03 AU - 4.73 AU

Year: 6113 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,574,419 km

• M1: 102,475 km (0.045 R)
• M2: 429,196 km (0.101 R)
• M3: 761,902 km (0.106 R)
• M4: 1,038,508 km (0.045 R)
• M5: 1,865,037 km (0.101 R)
• M6: 2,138,801 km (0.068 R)
• M7: 2,719,839 km (0.107 R)
• M8: 3,235,204 km (0.072 R)
• M9: 4,978,916 km (0.072 R)
• M10: 5,484,707 km (0.109 R)
• M11: 5,859,001 km (0.12 R)
• M12: 6,364,941 km (0.09 R)
• M13: 9,456,231 km (0.086 R)
• M14: 10,232,046 km (0.111 R)
• M15: 10,841,358 km (0.062 R)
• M16: 11,133,822 km (0.111 R)
• M17: 16,287,917 km (0.106 R)
• M18: 17,744,851 km (0.119 R)
• M19: 18,386,775 km (0.088 R)
• M20: 19,470,312 km (0.09 R)
• M21: 19,840,717 km (0.12 R)
• M22: 22,432,051 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104

Radius: 4.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.42 AU - 8.5 AU

Year: 16409 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,574,419 km

• M1: 59,839 km (0.104 R)
• M2: 402,867 km (0.077 R)
• M3: 1,234,332 km (0.081 R)
• M4: 1,418,936 km (0.115 R)
• M5: 2,315,625 km (0.06 R)
• M6: 2,962,935 km (0.063 R)
• M7: 4,011,916 km (0.116 R)
• M8: 4,882,426 km (0.103 R)
• M9: 6,263,364 km (0.051 R)
• M10: 6,706,173 km (0.108 R)
• M11: 6,953,309 km (0.096 R)
• M12: 7,169,777 km (0.095 R)
• M13: 9,326,081 km (0.064 R)
• M14: 10,223,668 km (0.09 R)
• M15: 10,598,411 km (0.111 R)
• M16: 13,095,798 km (0.12 R)
• M17: 14,103,938 km (0.104 R)
• M18: 15,222,930 km (0.113 R)
• M19: 17,503,400 km (0.11 R)
• M20: 19,073,878 km (0.119 R)
• M21: 23,851,735 km (0.11 R)
• M22: 24,261,932 km (0.04 R)
• M23: 25,265,584 km (0.119 R)
• M24: 30,509,139 km (0.099 R)
• M25: 30,701,821 km (0.117 R)
• M26: 32,573,440 km (0.095 R)
• M27: 33,690,936 km (0.053 R)
• M28: 34,415,289 km (0.08 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 13,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit