🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 14.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 6.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,742,521 km

• M1: 176,675 km (0.096 R)
• M2: 630,555 km (0.103 R)
• M3: 1,089,521 km (0.095 R)
• M4: 1,603,240 km (0.098 R)
• M5: 2,055,325 km (0.039 R)
• M6: 2,532,393 km (0.109 R)
• M7: 3,257,643 km (0.102 R)
• M8: 3,866,357 km (0.064 R)
• M9: 4,433,034 km (0.077 R)

Asteroid Belt

Center: 1.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 8.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.17 AU - 1.83 AU

Year: 1246 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,742,521 km

• M1: 105,766 km (0.062 R)
• M2: 422,614 km (0.081 R)
• M3: 1,188,854 km (0.07 R)
• M4: 2,210,608 km (0.111 R)
• M5: 2,701,588 km (0.083 R)
• M6: 3,491,913 km (0.061 R)
• M7: 4,192,032 km (0.102 R)
• M8: 5,286,490 km (0.052 R)
• M9: 6,856,968 km (0.072 R)
• M10: 7,649,089 km (0.119 R)
• M11: 7,951,875 km (0.061 R)
• M12: 8,447,493 km (0.091 R)
• M13: 8,716,619 km (0.073 R)
• M14: 9,500,662 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 12.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.67 AU - 2.31 AU

Year: 1904 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,742,521 km

• M1: 151,991 km (0.11 R)
• M2: 655,538 km (0.088 R)
• M3: 1,047,335 km (0.098 R)
• M4: 1,481,917 km (0.082 R)
• M5: 2,450,413 km (0.114 R)
• M6: 3,021,727 km (0.063 R)
• M7: 3,403,352 km (0.114 R)
• M8: 4,117,382 km (0.102 R)
• M9: 4,694,381 km (0.093 R)
• M10: 5,266,892 km (0.113 R)
• M11: 6,397,703 km (0.105 R)
• M12: 7,316,981 km (0.112 R)
• M13: 8,886,114 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 12

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.39 AU - 3.07 AU

Year: 3059 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,742,521 km

• M1: 149,299 km (0.053 R)
• M2: 885,320 km (0.094 R)
• M3: 1,315,414 km (0.092 R)
• M4: 1,766,601 km (0.112 R)
• M5: 4,401,618 km (0.085 R)
• M6: 5,814,121 km (0.106 R)
• M7: 8,550,416 km (0.076 R)
• M8: 9,512,480 km (0.082 R)
• M9: 10,037,718 km (0.083 R)
• M10: 11,651,430 km (0.088 R)
• M11: 12,294,103 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.4

Radius: 10.3

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.59 AU - 6.23 AU

Year: 8535 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,742,521 km

• M1: 128,056 km (0.096 R)
• M2: 475,422 km (0.1 R)
• M3: 836,252 km (0.057 R)
• M4: 1,837,511 km (0.087 R)
• M5: 3,577,184 km (0.063 R)
• M6: 4,727,742 km (0.061 R)
• M7: 5,290,379 km (0.098 R)
• M8: 7,129,685 km (0.104 R)
• M9: 8,085,017 km (0.112 R)
• M10: 8,436,722 km (0.087 R)
• M11: 10,924,534 km (0.085 R)
• M12: 11,685,090 km (0.106 R)
• M13: 12,249,672 km (0.091 R)
• M14: 14,887,232 km (0.092 R)
• M15: 16,513,062 km (0.109 R)
• M16: 19,091,979 km (0.085 R)
• M17: 22,961,927 km (0.087 R)
• M18: 24,941,107 km (0.12 R)
• M19: 26,836,960 km (0.062 R)
• M20: 36,805,714 km (0.032 R)
• M21: 39,635,357 km (0.073 R)
• M22: 43,943,926 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.3

Radius: 8

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.97 AU - 7.41 AU

Year: 11736 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,742,521 km

• M1: 99,483 km (0.108 R)
• M2: 527,482 km (0.093 R)
• M3: 776,263 km (0.1 R)
• M4: 1,377,497 km (0.028 R)
• M5: 1,869,076 km (0.114 R)
• M6: 3,446,885 km (0.063 R)
• M7: 4,323,378 km (0.106 R)
• M8: 6,165,078 km (0.113 R)
• M9: 7,752,760 km (0.094 R)
• M10: 9,394,297 km (0.112 R)
• M11: 10,483,819 km (0.111 R)
• M12: 11,199,046 km (0.065 R)
• M13: 11,482,684 km (0.095 R)
• M14: 12,973,427 km (0.044 R)
• M15: 14,723,722 km (0.045 R)
• M16: 16,117,824 km (0.078 R)
• M17: 18,059,006 km (0.07 R)
• M18: 19,490,957 km (0.085 R)
• M19: 21,866,272 km (0.099 R)
• M20: 22,759,521 km (0.071 R)
• M21: 24,238,894 km (0.06 R)
• M22: 25,683,112 km (0.118 R)
• M23: 25,978,568 km (0.048 R)
• M24: 26,677,190 km (0.111 R)
• M25: 28,636,174 km (0.096 R)
• M26: 33,772,617 km (0.088 R)
• M27: 41,217,056 km (0.101 R)
• M28: 41,622,316 km (0.109 R)
• M29: 42,303,735 km (0.094 R)
• M30: 45,678,663 km (0.1 R)
• M31: 48,324,451 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861

Radius: 6.4

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.65 AU - 12.05 AU

Year: 20967 Days

Day: 23.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,742,521 km

• M1: 80,184 km (0.056 R)
• M2: 365,318 km (0.078 R)
• M3: 1,018,462 km (0.062 R)
• M4: 1,294,470 km (0.081 R)
• M5: 1,938,040 km (0.109 R)
• M6: 2,297,524 km (0.073 R)
• M7: 2,505,465 km (0.1 R)
• M8: 3,039,829 km (0.092 R)
• M9: 5,872,016 km (0.085 R)
• M10: 7,590,596 km (0.057 R)
• M11: 7,897,870 km (0.044 R)
• M12: 18,275,474 km (0.059 R)
• M13: 18,920,839 km (0.104 R)
• M14: 21,249,330 km (0.036 R)
• M15: 23,761,976 km (0.095 R)
• M16: 25,089,657 km (0.106 R)
• M17: 27,411,267 km (0.105 R)
• M18: 31,679,892 km (0.111 R)
• M19: 33,014,904 km (0.08 R)
• M20: 34,109,661 km (0.104 R)
• M21: 37,834,498 km (0.118 R)
• M22: 39,184,619 km (0.093 R)
• M23: 39,641,641 km (0.07 R)
• M24: 44,574,930 km (0.034 R)
• M25: 45,406,993 km (0.102 R)
• M26: 50,799,248 km (0.043 R)
• M27: 51,889,966 km (0.036 R)
• M28: 55,446,805 km (0.057 R)
• M29: 57,971,868 km (0.085 R)
• M30: 64,512,137 km (0.096 R)
• M31: 76,160,426 km (0.151 R)
• M32: 76,634,501 km (0.071 R)
• M33: 78,791,852 km (0.104 R)
• M34: 80,497,717 km (0.069 R)
• M35: 83,227,728 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 13,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit