🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 15

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.14 AU

Year: 714 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,696,129 km

• M1: 186,997 km (0.082 R)
• M2: 747,690 km (0.076 R)
• M3: 1,488,798 km (0.071 R)
• M4: 2,276,431 km (0.106 R)
• M5: 2,872,429 km (0.116 R)
• M6: 3,430,878 km (0.119 R)
• M7: 4,220,754 km (0.09 R)
• M8: 5,332,715 km (0.043 R)
• M9: 5,958,334 km (0.094 R)
• M10: 6,572,732 km (0.095 R)
• M11: 7,271,803 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 14.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.45 AU - 1.57 AU

Year: 1180 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,696,129 km

• M1: 177,124 km (0.103 R)
• M2: 673,789 km (0.081 R)
• M3: 1,180,028 km (0.025 R)
• M4: 1,773,184 km (0.078 R)
• M5: 2,442,335 km (0.075 R)
• M6: 3,020,231 km (0.107 R)
• M7: 3,736,955 km (0.086 R)
• M8: 4,657,879 km (0.057 R)
• M9: 6,305,700 km (0.083 R)
• M10: 6,925,334 km (0.051 R)
• M11: 7,507,120 km (0.09 R)
• M12: 8,827,022 km (0.08 R)
• M13: 9,512,031 km (0.109 R)
• M14: 10,622,197 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 14.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.27 AU - 2.09 AU

Year: 1385 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,696,129 km

• M1: 181,612 km (0.111 R)
• M2: 753,524 km (0.071 R)
• M3: 1,324,091 km (0.07 R)
• M4: 1,812,079 km (0.119 R)
• M5: 3,637,472 km (0.055 R)
• M6: 4,373,344 km (0.052 R)
• M7: 5,774,328 km (0.075 R)
• M8: 6,407,426 km (0.117 R)
• M9: 7,060,421 km (0.053 R)
• M10: 8,180,610 km (0.106 R)
• M11: 10,228,605 km (0.112 R)
• M12: 11,052,141 km (0.045 R)
• M13: 11,808,658 km (0.047 R)
• M14: 12,407,947 km (0.098 R)

Asteroid Belt

Center: 2.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 13.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.96 AU - 4.32 AU

Year: 5356 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,696,129 km

• M1: 172,935 km (0.077 R)
• M2: 610,808 km (0.093 R)
• M3: 1,125,724 km (0.117 R)
• M4: 1,638,545 km (0.054 R)
• M5: 2,519,827 km (0.093 R)
• M6: 3,567,760 km (0.101 R)
• M7: 4,350,306 km (0.094 R)
• M8: 5,676,491 km (0.084 R)
• M9: 6,981,134 km (0.088 R)
• M10: 8,399,322 km (0.068 R)
• M11: 8,872,351 km (0.091 R)
• M12: 9,321,443 km (0.066 R)
• M13: 10,310,136 km (0.104 R)
• M14: 11,510,659 km (0.093 R)
• M15: 11,996,403 km (0.115 R)
• M16: 12,597,487 km (0.067 R)
• M17: 13,113,749 km (0.057 R)
• M18: 13,805,939 km (0.094 R)
• M19: 16,574,995 km (0.044 R)
• M20: 17,575,057 km (0.102 R)
• M21: 19,972,213 km (0.116 R)
• M22: 22,055,962 km (0.085 R)
• M23: 23,189,016 km (0.062 R)
• M24: 25,983,205 km (0.057 R)
• M25: 26,652,057 km (0.093 R)
• M26: 27,763,570 km (0.079 R)
• M27: 30,170,450 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 10.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.46 AU - 6.98 AU

Year: 8698 Days

Day: 15 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,696,129 km

• M1: 129,701 km (0.089 R)
• M2: 498,011 km (0.103 R)
• M3: 1,012,478 km (0.083 R)
• M4: 1,468,154 km (0.113 R)
• M5: 3,203,638 km (0.103 R)
• M6: 6,451,707 km (0.067 R)
• M7: 6,798,475 km (0.092 R)
• M8: 8,111,197 km (0.109 R)
• M9: 9,061,592 km (0.118 R)
• M10: 10,888,631 km (0.09 R)
• M11: 13,956,434 km (0.117 R)
• M12: 26,800,758 km (0.055 R)
• M13: 29,747,985 km (0.035 R)
• M14: 31,201,329 km (0.109 R)
• M15: 35,628,977 km (0.116 R)
• M16: 36,496,495 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.8

Radius: 3.2

Gravity: 28.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.84 AU - 8.84 AU

Year: 13957 Days

Day: 17.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,696,129 km

• M1: 46,974 km (0.099 R)
• M2: 186,399 km (0.07 R)
• M3: 290,519 km (0.118 R)
• M4: 508,184 km (0.104 R)
• M5: 763,248 km (0.079 R)
• M6: 939,624 km (0.067 R)
• M7: 1,086,380 km (0.061 R)
• M8: 1,479,972 km (0.088 R)
• M9: 1,994,738 km (0.093 R)
• M10: 3,890,891 km (0.119 R)
• M11: 4,104,816 km (0.055 R)
• M12: 4,614,646 km (0.047 R)
• M13: 6,846,795 km (0.089 R)
• M14: 7,726,730 km (0.069 R)
• M15: 8,589,760 km (0.102 R)
• M16: 9,562,894 km (0.092 R)
• M17: 12,860,779 km (0.079 R)
• M18: 13,881,934 km (0.092 R)
• M19: 14,762,617 km (0.086 R)
• M20: 15,480,088 km (0.077 R)
• M21: 15,746,672 km (0.059 R)
• M22: 17,482,755 km (0.101 R)
• M23: 21,909,057 km (0.029 R)
• M24: 24,966,688 km (0.037 R)
• M25: 27,219,931 km (0.076 R)
• M26: 28,098,818 km (0.079 R)
• M27: 28,996,406 km (0.078 R)
• M28: 31,164,677 km (0.115 R)
• M29: 33,107,206 km (0.058 R)
• M30: 36,521,478 km (0.071 R)
• M31: 39,788,396 km (0.101 R)
• M32: 43,113,358 km (0.114 R)
• M33: 43,244,855 km (0.045 R)
• M34: 43,376,501 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.4

Radius: 3.3

Gravity: 61.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.55 AU - 10.79 AU

Year: 16232 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,696,129 km

• M1: 40,990 km (0.118 R)
• M2: 271,670 km (0.048 R)
• M3: 850,314 km (0.037 R)
• M4: 1,497,774 km (0.086 R)
• M5: 1,609,374 km (0.104 R)
• M6: 2,035,129 km (0.096 R)
• M7: 3,053,442 km (0.108 R)
• M8: 3,366,700 km (0.028 R)
• M9: 3,729,625 km (0.031 R)
• M10: 5,445,362 km (0.092 R)
• M11: 6,814,183 km (0.03 R)
• M12: 8,496,561 km (0.114 R)
• M13: 10,379,399 km (0.113 R)
• M14: 25,477,116 km (0.116 R)
• M15: 25,687,151 km (0.082 R)
• M16: 26,430,952 km (0.112 R)
• M17: 37,990,379 km (0.099 R)
• M18: 42,386,761 km (0.083 R)
• M19: 53,363,954 km (0.076 R)
• M20: 56,867,087 km (0.112 R)
• M21: 59,777,514 km (0.047 R)
• M22: 62,404,303 km (0.085 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: 434 - 18,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit