🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 10.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.61 AU - 0.67 AU

Year: 347 Days

Day: 8.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,241,548 km

• M1: 134,488 km (0.096 R)
• M2: 509,680 km (0.115 R)
• M3: 919,728 km (0.111 R)
• M4: 1,263,803 km (0.104 R)
• M5: 1,609,972 km (0.112 R)
• M6: 2,128,479 km (0.093 R)
• M7: 3,003,177 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 13.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.85 AU - 1.37 AU

Year: 793 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,241,548 km

• M1: 162,912 km (0.039 R)
• M2: 618,587 km (0.095 R)
• M3: 1,297,911 km (0.075 R)
• M4: 1,826,141 km (0.099 R)
• M5: 2,275,832 km (0.087 R)
• M6: 2,766,513 km (0.09 R)
• M7: 3,353,386 km (0.053 R)
• M8: 3,836,587 km (0.103 R)
• M9: 4,474,772 km (0.083 R)
• M10: 5,429,206 km (0.11 R)
• M11: 5,888,771 km (0.12 R)
• M12: 6,334,572 km (0.101 R)
• M13: 6,823,608 km (0.109 R)
• M14: 7,426,188 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 8.5

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.91 AU - 1.43 AU

Year: 858 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,241,548 km

• M1: 105,766 km (0.118 R)
• M2: 396,434 km (0.114 R)
• M3: 1,033,572 km (0.091 R)
• M4: 1,324,390 km (0.055 R)
• M5: 1,759,271 km (0.053 R)
• M6: 2,086,591 km (0.112 R)
• M7: 2,353,025 km (0.073 R)
• M8: 2,865,248 km (0.057 R)
• M9: 3,825,068 km (0.119 R)
• M10: 4,227,187 km (0.056 R)
• M11: 4,929,399 km (0.051 R)
• M12: 6,408,174 km (0.114 R)
• M13: 8,639,427 km (0.098 R)
• M14: 9,248,140 km (0.092 R)
• M15: 9,826,037 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.7

Radius: 5.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.26 AU - 7.88 AU

Year: 11422 Days

Day: 23.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,241,548 km

• M1: 64,776 km (0.09 R)
• M2: 574,456 km (0.098 R)
• M3: 1,022,352 km (0.056 R)
• M4: 1,403,527 km (0.112 R)
• M5: 3,209,024 km (0.05 R)
• M6: 3,839,878 km (0.116 R)
• M7: 5,245,949 km (0.12 R)
• M8: 7,414,968 km (0.029 R)
• M9: 9,488,245 km (0.082 R)
• M10: 10,973,602 km (0.109 R)
• M11: 12,259,845 km (0.081 R)
• M12: 14,396,701 km (0.088 R)
• M13: 14,881,398 km (0.119 R)
• M14: 17,743,654 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.4

Radius: 5.7

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.96 AU - 7.38 AU

Year: 11684 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,241,548 km

• M1: 70,909 km (0.111 R)
• M2: 303,384 km (0.093 R)
• M3: 684,410 km (0.099 R)
• M4: 1,147,266 km (0.065 R)
• M5: 1,815,071 km (0.06 R)
• M6: 2,177,846 km (0.088 R)
• M7: 2,526,259 km (0.091 R)
• M8: 2,911,025 km (0.082 R)
• M9: 3,408,288 km (0.071 R)
• M10: 3,933,078 km (0.119 R)
• M11: 4,301,986 km (0.105 R)
• M12: 6,936,704 km (0.054 R)
• M13: 7,689,630 km (0.113 R)
• M14: 8,130,794 km (0.114 R)
• M15: 8,495,663 km (0.058 R)
• M16: 9,706,807 km (0.106 R)
• M17: 10,013,782 km (0.119 R)
• M18: 12,466,290 km (0.12 R)
• M19: 12,768,029 km (0.077 R)
• M20: 13,136,638 km (0.089 R)
• M21: 13,449,148 km (0.081 R)
• M22: 14,219,577 km (0.064 R)
• M23: 16,926,700 km (0.096 R)
• M24: 17,976,727 km (0.066 R)
• M25: 19,632,177 km (0.117 R)
• M26: 22,523,755 km (0.118 R)
• M27: 26,472,091 km (0.051 R)
• M28: 27,475,893 km (0.119 R)
• M29: 28,713,516 km (0.084 R)
• M30: 29,239,951 km (0.086 R)
• M31: 30,858,151 km (0.067 R)
• M32: 31,188,762 km (0.048 R)
• M33: 31,521,767 km (0.048 R)
• M34: 38,562,591 km (0.048 R)
• M35: 41,301,728 km (0.118 R)
• M36: 50,140,270 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.1

Radius: 7.7

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.96 AU - 8.08 AU

Year: 15405 Days

Day: 19.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,241,548 km

• M1: 105,616 km (0.12 R)
• M2: 356,342 km (0.077 R)
• M3: 1,690,905 km (0.088 R)
• M4: 3,792,306 km (0.074 R)
• M5: 4,598,938 km (0.106 R)
• M6: 4,958,721 km (0.103 R)
• M7: 6,507,657 km (0.085 R)
• M8: 8,259,747 km (0.114 R)
• M9: 11,210,266 km (0.109 R)
• M10: 13,308,526 km (0.108 R)
• M11: 15,080,213 km (0.119 R)
• M12: 19,588,046 km (0.111 R)
• M13: 26,752,886 km (0.113 R)
• M14: 30,685,515 km (0.086 R)
• M15: 33,028,517 km (0.119 R)
• M16: 36,633,975 km (0.095 R)
• M17: 44,322,558 km (0.03 R)
• M18: 44,909,730 km (0.115 R)
• M19: 47,462,767 km (0.067 R)
• M20: 48,696,949 km (0.065 R)
• M21: 53,848,352 km (0.06 R)
• M22: 58,117,127 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.2

Radius: 6.5

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.09 AU - 10.55 AU

Year: 20872 Days

Day: 22.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,241,548 km

• M1: 80,783 km (0.044 R)
• M2: 314,754 km (0.095 R)
• M3: 718,967 km (0.048 R)
• M4: 1,159,383 km (0.036 R)
• M5: 2,906,537 km (0.105 R)
• M6: 5,491,738 km (0.08 R)
• M7: 7,067,751 km (0.082 R)
• M8: 7,348,995 km (0.106 R)
• M9: 8,238,056 km (0.085 R)
• M10: 8,655,434 km (0.106 R)
• M11: 9,032,121 km (0.072 R)
• M12: 10,648,975 km (0.045 R)
• M13: 11,081,612 km (0.084 R)
• M14: 11,719,796 km (0.099 R)
• M15: 12,585,669 km (0.07 R)
• M16: 12,929,894 km (0.089 R)
• M17: 13,637,043 km (0.069 R)
• M18: 23,505,865 km (0.119 R)
• M19: 24,451,174 km (0.069 R)
• M20: 24,987,183 km (0.119 R)
• M21: 25,860,984 km (0.095 R)
• M22: 26,642,184 km (0.065 R)
• M23: 28,251,408 km (0.093 R)
• M24: 29,439,963 km (0.04 R)
• M25: 34,127,463 km (0.074 R)
• M26: 35,202,623 km (0.109 R)
• M27: 39,582,101 km (0.06 R)
• M28: 54,508,527 km (0.035 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: 508 - 12,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit