🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 8.8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.9 AU

Year: 394 Days

Day: 14 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,488,759 km

• M1: 110,254 km (0.118 R)
• M2: 391,647 km (0.12 R)
• M3: 770,728 km (0.111 R)
• M4: 1,108,670 km (0.077 R)
• M5: 1,873,863 km (0.103 R)
• M6: 2,393,117 km (0.033 R)
• M7: 2,748,711 km (0.091 R)
• M8: 3,025,617 km (0.1 R)
• M9: 3,310,451 km (0.078 R)
• M10: 3,624,756 km (0.045 R)
• M11: 4,095,691 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 9.1

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.36 AU - 1.72 AU

Year: 1234 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,488,759 km

• M1: 115,190 km (0.103 R)
• M2: 418,874 km (0.072 R)
• M3: 802,742 km (0.119 R)
• M4: 1,229,545 km (0.083 R)
• M5: 1,522,906 km (0.067 R)
• M6: 2,186,522 km (0.093 R)
• M7: 2,904,592 km (0.092 R)
• M8: 3,265,722 km (0.086 R)
• M9: 3,738,600 km (0.072 R)
• M10: 4,274,759 km (0.114 R)
• M11: 5,288,285 km (0.098 R)
• M12: 6,032,684 km (0.088 R)
• M13: 6,920,547 km (0.115 R)
• M14: 7,947,836 km (0.052 R)
• M15: 8,426,250 km (0.035 R)
• M16: 9,013,571 km (0.091 R)
• M17: 10,668,572 km (0.087 R)
• M18: 11,250,957 km (0.077 R)
• M19: 11,674,767 km (0.062 R)
• M20: 12,367,555 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 12.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.47 AU - 1.95 AU

Year: 1444 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,488,759 km

• M1: 154,385 km (0.1 R)
• M2: 559,197 km (0.114 R)
• M3: 1,120,937 km (0.031 R)
• M4: 1,586,934 km (0.049 R)
• M5: 1,996,832 km (0.095 R)
• M6: 2,528,204 km (0.074 R)
• M7: 2,924,638 km (0.107 R)
• M8: 3,486,977 km (0.065 R)
• M9: 3,912,732 km (0.109 R)
• M10: 4,771,424 km (0.069 R)
• M11: 5,173,244 km (0.063 R)
• M12: 6,207,863 km (0.088 R)
• M13: 7,942,899 km (0.085 R)
• M14: 8,394,236 km (0.102 R)
• M15: 10,341,102 km (0.106 R)
• M16: 10,811,737 km (0.05 R)
• M17: 11,687,782 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.1

Radius: 11.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.65 AU - 2.89 AU

Year: 2977 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,488,759 km

• M1: 147,055 km (0.112 R)
• M2: 707,897 km (0.091 R)
• M3: 1,256,622 km (0.085 R)
• M4: 1,820,157 km (0.108 R)
• M5: 2,576,524 km (0.088 R)
• M6: 3,733,963 km (0.09 R)
• M7: 4,243,044 km (0.111 R)
• M8: 4,687,799 km (0.107 R)
• M9: 5,234,130 km (0.119 R)
• M10: 5,822,648 km (0.091 R)
• M11: 6,509,452 km (0.101 R)
• M12: 7,132,228 km (0.088 R)
• M13: 8,562,982 km (0.061 R)
• M14: 9,172,145 km (0.044 R)
• M15: 11,016,686 km (0.11 R)
• M16: 11,493,754 km (0.12 R)
• M17: 11,943,296 km (0.046 R)
• M18: 12,532,412 km (0.089 R)
• M19: 13,140,827 km (0.104 R)
• M20: 15,426,532 km (0.044 R)
• M21: 16,125,454 km (0.115 R)
• M22: 16,637,677 km (0.037 R)
• M23: 17,965,657 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 12.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.99 AU - 3.61 AU

Year: 3871 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,488,759 km

• M1: 154,235 km (0.073 R)
• M2: 563,236 km (0.068 R)
• M3: 1,110,914 km (0.078 R)
• M4: 2,543,912 km (0.104 R)
• M5: 2,961,888 km (0.042 R)
• M6: 6,748,061 km (0.12 R)
• M7: 7,532,851 km (0.082 R)
• M8: 8,377,481 km (0.063 R)
• M9: 8,947,299 km (0.07 R)
• M10: 10,014,081 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.4

Radius: 6.9

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.68 AU - 6.74 AU

Year: 9992 Days

Day: 19.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,488,759 km

• M1: 88,412 km (0.076 R)
• M2: 367,113 km (0.088 R)
• M3: 1,089,671 km (0.092 R)
• M4: 1,461,422 km (0.104 R)
• M5: 1,782,907 km (0.111 R)
• M6: 2,007,304 km (0.091 R)
• M7: 2,267,455 km (0.109 R)
• M8: 2,816,778 km (0.067 R)
• M9: 3,826,564 km (0.112 R)
• M10: 5,701,474 km (0.064 R)
• M11: 6,092,373 km (0.09 R)
• M12: 6,570,937 km (0.101 R)
• M13: 8,611,751 km (0.09 R)
• M14: 8,866,666 km (0.118 R)
• M15: 10,359,952 km (0.095 R)
• M16: 11,856,529 km (0.059 R)
• M17: 13,378,238 km (0.114 R)
• M18: 13,835,858 km (0.07 R)
• M19: 16,217,756 km (0.117 R)
• M20: 17,068,967 km (0.043 R)
• M21: 17,336,748 km (0.095 R)
• M22: 19,508,310 km (0.116 R)
• M23: 20,320,477 km (0.112 R)
• M24: 23,054,977 km (0.116 R)
• M25: 23,712,758 km (0.055 R)
• M26: 25,673,687 km (0.111 R)
• M27: 27,190,759 km (0.104 R)
• M28: 28,484,183 km (0.079 R)
• M29: 29,721,357 km (0.076 R)
• M30: 30,206,652 km (0.118 R)
• M31: 31,795,232 km (0.039 R)
• M32: 35,571,382 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 6.5

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.46 AU - 12.32 AU

Year: 21624 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,488,759 km

• M1: 81,082 km (0.114 R)
• M2: 286,031 km (0.079 R)
• M3: 738,116 km (0.051 R)
• M4: 1,177,186 km (0.091 R)
• M5: 1,447,659 km (0.115 R)
• M6: 1,722,619 km (0.077 R)
• M7: 2,052,632 km (0.101 R)
• M8: 2,494,245 km (0.082 R)
• M9: 3,105,652 km (0.116 R)
• M10: 3,596,034 km (0.111 R)
• M11: 5,418,884 km (0.114 R)
• M12: 7,430,825 km (0.081 R)
• M13: 7,885,902 km (0.063 R)
• M14: 9,190,246 km (0.081 R)
• M15: 13,508,538 km (0.087 R)
• M16: 14,728,658 km (0.068 R)
• M17: 16,951,084 km (0.098 R)
• M18: 20,249,269 km (0.043 R)
• M19: 22,048,333 km (0.1 R)
• M20: 23,092,675 km (0.109 R)
• M21: 24,498,895 km (0.099 R)
• M22: 24,942,902 km (0.113 R)
• M23: 27,243,567 km (0.1 R)
• M24: 32,394,821 km (0.105 R)
• M25: 39,056,414 km (0.101 R)
• M26: 41,360,520 km (0.102 R)
• M27: 48,639,504 km (0.083 R)
• M28: 48,989,264 km (0.118 R)
• M29: 57,309,448 km (0.093 R)
• M30: 65,880,359 km (0.117 R)
• M31: 67,387,258 km (0.08 R)
• M32: 67,821,990 km (0.112 R)
• M33: 81,503,014 km (0.045 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 16,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit