🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 8.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.96 AU - 1.48 AU

Year: 914 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,304,372 km

• M1: 106,962 km (0.101 R)
• M2: 375,939 km (0.102 R)
• M3: 799,750 km (0.084 R)
• M4: 1,085,333 km (0.091 R)
• M5: 1,476,232 km (0.078 R)
• M6: 1,779,317 km (0.09 R)
• M7: 2,439,792 km (0.091 R)
• M8: 2,787,008 km (0.118 R)
• M9: 3,987,980 km (0.109 R)
• M10: 4,456,221 km (0.104 R)
• M11: 4,843,530 km (0.093 R)
• M12: 5,502,808 km (0.073 R)
• M13: 5,816,515 km (0.098 R)
• M14: 6,259,923 km (0.099 R)
• M15: 6,705,126 km (0.106 R)
• M16: 7,106,348 km (0.033 R)
• M17: 7,456,706 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 13.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.99 AU - 1.55 AU

Year: 971 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,304,372 km

• M1: 169,195 km (0.093 R)
• M2: 772,673 km (0.095 R)
• M3: 1,208,751 km (0.077 R)
• M4: 1,839,605 km (0.072 R)
• M5: 2,985,824 km (0.114 R)
• M6: 3,828,509 km (0.086 R)
• M7: 4,313,655 km (0.111 R)
• M8: 5,241,760 km (0.099 R)
• M9: 6,040,463 km (0.073 R)
• M10: 6,507,807 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.7

Radius: 13.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.29 AU - 1.95 AU

Year: 1399 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,304,372 km

• M1: 166,652 km (0.071 R)
• M2: 629,957 km (0.106 R)
• M3: 1,060,200 km (0.062 R)
• M4: 1,495,680 km (0.115 R)
• M5: 2,001,320 km (0.063 R)
• M6: 2,473,002 km (0.08 R)
• M7: 3,005,421 km (0.104 R)
• M8: 3,442,845 km (0.102 R)
• M9: 4,075,944 km (0.098 R)
• M10: 4,785,636 km (0.119 R)
• M11: 5,428,308 km (0.095 R)
• M12: 7,392,977 km (0.071 R)
• M13: 7,815,292 km (0.077 R)
• M14: 8,450,933 km (0.049 R)
• M15: 9,361,835 km (0.105 R)
• M16: 10,047,292 km (0.079 R)
• M17: 11,001,876 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 10.3

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.78 AU - 2.58 AU

Year: 2183 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,304,372 km

• M1: 128,804 km (0.077 R)
• M2: 721,660 km (0.109 R)
• M3: 1,071,869 km (0.077 R)
• M4: 1,480,121 km (0.105 R)
• M5: 1,831,377 km (0.038 R)
• M6: 2,506,064 km (0.115 R)
• M7: 2,947,976 km (0.094 R)
• M8: 3,600,372 km (0.115 R)
• M9: 4,407,602 km (0.101 R)
• M10: 4,854,451 km (0.102 R)
• M11: 6,593,227 km (0.111 R)
• M12: 7,440,549 km (0.043 R)
• M13: 8,232,072 km (0.058 R)
• M14: 8,878,334 km (0.095 R)
• M15: 9,316,357 km (0.099 R)
• M16: 9,768,741 km (0.113 R)
• M17: 10,456,143 km (0.096 R)
• M18: 10,830,736 km (0.11 R)
• M19: 11,846,955 km (0.11 R)
• M20: 12,968,191 km (0.05 R)
• M21: 13,754,178 km (0.053 R)
• M22: 14,992,250 km (0.041 R)
• M23: 15,565,658 km (0.091 R)
• M24: 17,426,357 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 11.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.75 AU - 2.63 AU

Year: 2198 Days

Day: 12 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,304,372 km

• M1: 145,559 km (0.11 R)
• M2: 542,741 km (0.091 R)
• M3: 1,070,373 km (0.088 R)
• M4: 1,600,248 km (0.101 R)
• M5: 2,233,646 km (0.111 R)
• M6: 2,685,581 km (0.108 R)
• M7: 3,064,363 km (0.087 R)
• M8: 3,789,912 km (0.087 R)
• M9: 5,917,045 km (0.118 R)
• M10: 7,085,554 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.1

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.63 AU - 3.21 AU

Year: 3384 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,304,372 km

• M1: 182,809 km (0.083 R)
• M2: 721,511 km (0.074 R)
• M3: 1,283,999 km (0.079 R)
• M4: 1,865,635 km (0.065 R)
• M5: 2,480,931 km (0.109 R)
• M6: 3,741,742 km (0.119 R)
• M7: 4,445,750 km (0.11 R)
• M8: 5,107,421 km (0.112 R)
• M9: 7,198,650 km (0.106 R)
• M10: 8,114,189 km (0.085 R)
• M11: 8,655,583 km (0.042 R)
• M12: 9,182,616 km (0.087 R)
• M13: 10,510,447 km (0.113 R)
• M14: 11,111,083 km (0.113 R)
• M15: 13,297,007 km (0.119 R)
• M16: 14,517,725 km (0.11 R)
• M17: 17,775,518 km (0.091 R)
• M18: 18,816,121 km (0.103 R)
• M19: 19,574,881 km (0.067 R)
• M20: 20,951,780 km (0.04 R)
• M21: 21,835,904 km (0.099 R)
• M22: 25,470,085 km (0.108 R)
• M23: 25,931,744 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 13.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.14 AU - 3.74 AU

Year: 4327 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,304,372 km

• M1: 172,786 km (0.102 R)
• M2: 657,483 km (0.117 R)
• M3: 1,111,063 km (0.111 R)
• M4: 1,666,819 km (0.108 R)
• M5: 3,011,555 km (0.063 R)
• M6: 4,078,188 km (0.119 R)
• M7: 4,897,834 km (0.056 R)
• M8: 5,552,026 km (0.101 R)
• M9: 7,415,866 km (0.1 R)
• M10: 9,702,619 km (0.086 R)
• M11: 11,007,411 km (0.052 R)
• M12: 12,008,819 km (0.099 R)
• M13: 13,157,731 km (0.039 R)
• M14: 17,573,262 km (0.085 R)
• M15: 18,057,510 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 14.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.03 AU - 4.09 AU

Year: 4556 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,304,372 km

• M1: 183,407 km (0.118 R)
• M2: 681,418 km (0.085 R)
• M3: 1,354,160 km (0.082 R)
• M4: 1,989,053 km (0.059 R)
• M5: 2,485,120 km (0.086 R)
• M6: 3,149,484 km (0.046 R)
• M7: 5,441,623 km (0.115 R)
• M8: 5,933,800 km (0.089 R)
• M9: 7,220,042 km (0.058 R)
• M10: 9,071,465 km (0.114 R)
• M11: 9,543,147 km (0.076 R)
• M12: 10,031,285 km (0.048 R)
• M13: 10,814,879 km (0.108 R)
• M14: 11,304,513 km (0.052 R)
• M15: 14,364,687 km (0.093 R)
• M16: 16,032,853 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 12.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.91 AU - 5.01 AU

Year: 6388 Days

Day: 10.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,304,372 km

• M1: 154,235 km (0.081 R)
• M2: 609,163 km (0.082 R)
• M3: 1,503,608 km (0.116 R)
• M4: 2,237,535 km (0.063 R)
• M5: 3,468,726 km (0.066 R)
• M6: 4,439,317 km (0.069 R)
• M7: 4,870,607 km (0.044 R)
• M8: 5,557,411 km (0.095 R)
• M9: 6,251,994 km (0.1 R)
• M10: 6,736,991 km (0.082 R)
• M11: 7,308,604 km (0.039 R)
• M12: 8,277,101 km (0.105 R)
• M13: 9,076,103 km (0.074 R)
• M14: 9,512,929 km (0.06 R)
• M15: 11,529,209 km (0.081 R)
• M16: 12,392,688 km (0.11 R)
• M17: 13,022,495 km (0.113 R)
• M18: 13,720,967 km (0.109 R)
• M19: 14,542,409 km (0.104 R)
• M20: 15,345,301 km (0.1 R)
• M21: 16,124,556 km (0.078 R)
• M22: 21,366,166 km (0.085 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 14.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.81 AU - 6.05 AU

Year: 8582 Days

Day: 6.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,304,372 km

• M1: 230,231 km (0.116 R)
• M2: 989,291 km (0.114 R)
• M3: 1,588,580 km (0.057 R)
• M4: 2,334,624 km (0.05 R)
• M5: 2,895,467 km (0.047 R)
• M6: 3,566,413 km (0.103 R)
• M7: 4,085,069 km (0.053 R)
• M8: 4,958,122 km (0.079 R)
• M9: 5,439,678 km (0.085 R)
• M10: 6,718,440 km (0.086 R)
• M11: 7,900,264 km (0.036 R)
• M12: 12,523,287 km (0.045 R)
• M13: 15,684,738 km (0.081 R)
• M14: 17,695,184 km (0.118 R)
• M15: 19,541,222 km (0.084 R)
• M16: 27,057,468 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 12,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit