🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 12.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.48 AU - 1.64 AU

Year: 1278 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,042,380 km

• M1: 158,125 km (0.098 R)
• M2: 572,661 km (0.12 R)
• M3: 992,731 km (0.115 R)
• M4: 2,013,139 km (0.047 R)
• M5: 2,774,143 km (0.063 R)
• M6: 3,580,475 km (0.086 R)
• M7: 4,139,223 km (0.053 R)
• M8: 5,252,680 km (0.118 R)
• M9: 6,129,174 km (0.103 R)
• M10: 9,825,738 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.4

Radius: 13.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.51 AU - 1.87 AU

Year: 1441 Days

Day: 12 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,042,380 km

• M1: 168,746 km (0.039 R)
• M2: 622,776 km (0.079 R)
• M3: 1,112,260 km (0.034 R)
• M4: 1,542,653 km (0.1 R)
• M5: 2,560,368 km (0.065 R)
• M6: 3,246,573 km (0.08 R)
• M7: 3,696,414 km (0.066 R)
• M8: 4,120,075 km (0.062 R)
• M9: 4,594,599 km (0.094 R)
• M10: 5,046,983 km (0.084 R)
• M11: 5,529,287 km (0.042 R)
• M12: 6,333,375 km (0.098 R)
• M13: 6,895,564 km (0.077 R)
• M14: 7,465,532 km (0.098 R)
• M15: 8,283,533 km (0.051 R)
• M16: 9,043,939 km (0.096 R)
• M17: 9,576,358 km (0.112 R)
• M18: 10,129,571 km (0.071 R)
• M19: 11,334,283 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 10.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.82 AU - 2.7 AU

Year: 2229 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,042,380 km

• M1: 135,685 km (0.113 R)
• M2: 523,892 km (0.112 R)
• M3: 1,034,918 km (0.108 R)
• M4: 1,388,567 km (0.092 R)
• M5: 1,824,496 km (0.118 R)
• M6: 2,562,312 km (0.095 R)
• M7: 2,917,906 km (0.119 R)
• M8: 3,323,018 km (0.065 R)
• M9: 3,677,564 km (0.09 R)
• M10: 4,604,772 km (0.095 R)
• M11: 5,657,492 km (0.109 R)
• M12: 6,521,570 km (0.095 R)
• M13: 7,026,163 km (0.104 R)
• M14: 7,442,793 km (0.032 R)
• M15: 9,813,620 km (0.108 R)
• M16: 10,370,424 km (0.034 R)
• M17: 10,801,864 km (0.099 R)
• M18: 12,050,258 km (0.071 R)
• M19: 12,487,084 km (0.096 R)
• M20: 13,519,309 km (0.06 R)
• M21: 14,078,207 km (0.113 R)
• M22: 15,196,002 km (0.098 R)
• M23: 15,753,254 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 10.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3 AU - 3.82 AU

Year: 4131 Days

Day: 14.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,042,380 km

• M1: 141,819 km (0.054 R)
• M2: 496,515 km (0.058 R)
• M3: 872,904 km (0.11 R)
• M4: 1,237,324 km (0.082 R)
• M5: 2,183,830 km (0.109 R)
• M6: 2,562,612 km (0.088 R)
• M7: 3,860,074 km (0.096 R)
• M8: 4,467,142 km (0.1 R)
• M9: 5,136,742 km (0.071 R)
• M10: 5,609,920 km (0.076 R)
• M11: 6,806,105 km (0.111 R)
• M12: 7,657,765 km (0.112 R)
• M13: 8,351,301 km (0.044 R)
• M14: 8,732,925 km (0.084 R)
• M15: 9,655,047 km (0.046 R)
• M16: 9,990,595 km (0.112 R)
• M17: 11,882,110 km (0.094 R)
• M18: 12,513,114 km (0.103 R)
• M19: 13,371,806 km (0.078 R)
• M20: 14,540,763 km (0.09 R)
• M21: 15,432,965 km (0.108 R)
• M22: 16,479,701 km (0.033 R)
• M23: 16,959,911 km (0.071 R)
• M24: 18,137,844 km (0.099 R)
• M25: 21,782,796 km (0.118 R)
• M26: 23,852,632 km (0.076 R)
• M27: 25,013,961 km (0.112 R)
• M28: 25,969,742 km (0.092 R)
• M29: 27,198,538 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.4

Radius: 12.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.91 AU - 6.53 AU

Year: 8974 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,042,380 km

• M1: 153,039 km (0.114 R)
• M2: 566,826 km (0.108 R)
• M3: 1,542,653 km (0.108 R)
• M4: 2,012,540 km (0.083 R)
• M5: 2,953,810 km (0.095 R)
• M6: 3,896,875 km (0.098 R)
• M7: 4,751,228 km (0.088 R)
• M8: 5,223,210 km (0.032 R)
• M9: 6,988,465 km (0.035 R)
• M10: 8,337,837 km (0.09 R)
• M11: 13,241,805 km (0.12 R)
• M12: 14,503,514 km (0.108 R)
• M13: 15,298,177 km (0.11 R)
• M14: 21,020,894 km (0.052 R)
• M15: 21,441,115 km (0.094 R)
• M16: 21,866,870 km (0.11 R)
• M17: 22,735,286 km (0.12 R)
• M18: 29,262,091 km (0.119 R)
• M19: 35,734,144 km (0.108 R)
• M20: 41,237,700 km (0.113 R)
• M21: 42,965,855 km (0.074 R)
• M22: 44,603,652 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.5

Radius: 5.9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.08 AU - 12.72 AU

Year: 22002 Days

Day: 17.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,042,380 km

• M1: 96,341 km (0.072 R)
• M2: 371,302 km (0.118 R)
• M3: 640,728 km (0.114 R)
• M4: 1,507,947 km (0.088 R)
• M5: 2,034,980 km (0.087 R)
• M6: 3,209,622 km (0.087 R)
• M7: 7,691,724 km (0.111 R)
• M8: 9,329,821 km (0.074 R)
• M9: 9,543,147 km (0.078 R)
• M10: 9,759,466 km (0.077 R)
• M11: 10,034,726 km (0.061 R)
• M12: 13,211,287 km (0.079 R)
• M13: 15,466,924 km (0.108 R)
• M14: 23,455,749 km (0.085 R)
• M15: 27,494,443 km (0.075 R)
• M16: 41,331,648 km (0.096 R)
• M17: 57,023,567 km (0.112 R)
• M18: 59,546,236 km (0.114 R)
• M19: 63,850,615 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 18,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit