🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 14.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.94 AU - 1.02 AU

Year: 658 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,590,880 km

• M1: 180,415 km (0.081 R)
• M2: 716,873 km (0.12 R)
• M3: 1,270,236 km (0.09 R)
• M4: 2,058,317 km (0.101 R)
• M5: 2,549,447 km (0.112 R)
• M6: 3,218,449 km (0.093 R)
• M7: 3,691,178 km (0.086 R)
• M8: 5,506,249 km (0.044 R)
• M9: 6,266,954 km (0.038 R)
• M10: 7,315,336 km (0.059 R)
• M11: 7,835,637 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 12.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.12 AU - 1.3 AU

Year: 903 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,590,880 km

• M1: 159,172 km (0.034 R)
• M2: 597,943 km (0.103 R)
• M3: 1,050,626 km (0.109 R)
• M4: 1,632,113 km (0.091 R)
• M5: 2,154,060 km (0.093 R)
• M6: 2,657,905 km (0.069 R)
• M7: 3,070,945 km (0.098 R)
• M8: 3,498,945 km (0.106 R)
• M9: 4,713,679 km (0.114 R)
• M10: 5,688,010 km (0.12 R)
• M11: 6,171,361 km (0.079 R)
• M12: 7,501,436 km (0.091 R)
• M13: 8,386,457 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 12.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.24 AU - 1.6 AU

Year: 1148 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,590,880 km

• M1: 159,172 km (0.083 R)
• M2: 631,153 km (0.087 R)
• M3: 1,029,832 km (0.087 R)
• M4: 2,462,979 km (0.119 R)
• M5: 2,988,965 km (0.093 R)
• M6: 3,454,215 km (0.114 R)
• M7: 4,303,632 km (0.093 R)
• M8: 5,696,388 km (0.087 R)
• M9: 6,192,305 km (0.11 R)
• M10: 7,674,670 km (0.065 R)
• M11: 8,146,502 km (0.107 R)
• M12: 8,721,257 km (0.059 R)
• M13: 9,411,352 km (0.096 R)
• M14: 11,031,497 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 14.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.47 AU - 2.37 AU

Year: 1804 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,590,880 km

• M1: 178,321 km (0.111 R)
• M2: 634,594 km (0.048 R)
• M3: 2,097,512 km (0.104 R)
• M4: 2,684,085 km (0.091 R)
• M5: 3,255,549 km (0.105 R)
• M6: 3,846,610 km (0.09 R)
• M7: 5,734,386 km (0.104 R)
• M8: 6,712,756 km (0.104 R)
• M9: 7,824,866 km (0.108 R)
• M10: 8,464,547 km (0.104 R)
• M11: 9,166,759 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 8.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.74 AU - 3.06 AU

Year: 3350 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,590,880 km

• M1: 100,679 km (0.089 R)
• M2: 380,577 km (0.109 R)
• M3: 760,256 km (0.102 R)
• M4: 1,030,580 km (0.036 R)
• M5: 1,312,572 km (0.113 R)
• M6: 2,235,591 km (0.093 R)
• M7: 2,543,912 km (0.118 R)
• M8: 2,865,398 km (0.084 R)
• M9: 3,662,156 km (0.101 R)
• M10: 3,996,358 km (0.108 R)
• M11: 4,432,585 km (0.112 R)
• M12: 4,769,479 km (0.105 R)
• M13: 5,542,302 km (0.106 R)
• M14: 6,213,548 km (0.044 R)
• M15: 8,236,859 km (0.03 R)
• M16: 9,312,318 km (0.093 R)
• M17: 10,187,465 km (0.114 R)
• M18: 10,626,386 km (0.099 R)
• M19: 11,581,568 km (0.095 R)
• M20: 12,344,966 km (0.091 R)
• M21: 15,069,891 km (0.04 R)
• M22: 15,640,158 km (0.073 R)
• M23: 16,472,371 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 11.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.88 AU - 5.8 AU

Year: 8370 Days

Day: 6.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,590,880 km

• M1: 144,362 km (0.094 R)
• M2: 561,590 km (0.077 R)
• M3: 1,453,942 km (0.111 R)
• M4: 1,934,001 km (0.06 R)
• M5: 2,425,729 km (0.116 R)
• M6: 2,853,280 km (0.109 R)
• M7: 3,263,029 km (0.049 R)
• M8: 4,229,132 km (0.097 R)
• M9: 4,648,006 km (0.052 R)
• M10: 5,344,384 km (0.111 R)
• M11: 6,907,233 km (0.073 R)
• M12: 7,570,550 km (0.061 R)
• M13: 8,190,633 km (0.097 R)
• M14: 8,755,215 km (0.056 R)
• M15: 10,707,468 km (0.084 R)
• M16: 11,119,759 km (0.09 R)
• M17: 17,706,554 km (0.06 R)
• M18: 18,211,147 km (0.118 R)
• M19: 18,577,512 km (0.109 R)
• M20: 19,476,745 km (0.059 R)
• M21: 19,937,207 km (0.096 R)
• M22: 30,742,961 km (0.104 R)
• M23: 32,857,676 km (0.086 R)
• M24: 33,620,326 km (0.098 R)
• M25: 39,049,233 km (0.099 R)
• M26: 41,907,300 km (0.111 R)
• M27: 42,418,177 km (0.086 R)
• M28: 43,192,346 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156

Radius: 6.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.11 AU - 7.69 AU

Year: 12293 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,590,880 km

• M1: 79,586 km (0.095 R)
• M2: 328,068 km (0.09 R)
• M3: 537,056 km (0.117 R)
• M4: 791,822 km (0.058 R)
• M5: 1,240,615 km (0.105 R)
• M6: 1,479,822 km (0.096 R)
• M7: 2,762,624 km (0.105 R)
• M8: 6,651,869 km (0.047 R)
• M9: 8,823,282 km (0.118 R)
• M10: 10,616,662 km (0.088 R)
• M11: 10,992,900 km (0.088 R)
• M12: 12,124,459 km (0.095 R)
• M13: 14,330,578 km (0.086 R)
• M14: 15,259,731 km (0.061 R)
• M15: 17,888,913 km (0.079 R)
• M16: 20,155,471 km (0.097 R)
• M17: 20,878,328 km (0.059 R)
• M18: 25,332,754 km (0.107 R)
• M19: 27,383,890 km (0.086 R)
• M20: 33,090,750 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 11,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit