🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 13.4

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.87 AU - 1.05 AU

Year: 598 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,434,527 km

• M1: 166,652 km (0.043 R)
• M2: 718,070 km (0.086 R)
• M3: 1,180,028 km (0.032 R)
• M4: 1,831,527 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522

Radius: 14.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.13 AU - 1.41 AU

Year: 910 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,434,527 km

• M1: 176,825 km (0.077 R)
• M2: 634,445 km (0.087 R)
• M3: 1,112,859 km (0.095 R)
• M4: 1,628,822 km (0.07 R)
• M5: 2,388,928 km (0.037 R)
• M6: 2,918,206 km (0.097 R)
• M7: 3,853,641 km (0.086 R)
• M8: 4,472,976 km (0.106 R)
• M9: 5,015,717 km (0.111 R)
• M10: 6,092,523 km (0.027 R)
• M11: 7,227,073 km (0.099 R)
• M12: 7,785,223 km (0.116 R)
• M13: 8,805,630 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 11.3

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.43 AU - 1.77 AU

Year: 1287 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,434,527 km

• M1: 140,622 km (0.047 R)
• M2: 532,419 km (0.032 R)
• M3: 977,024 km (0.104 R)
• M4: 1,533,378 km (0.045 R)
• M5: 1,986,809 km (0.071 R)
• M6: 2,342,104 km (0.089 R)
• M7: 2,726,870 km (0.119 R)
• M8: 3,094,432 km (0.064 R)
• M9: 5,330,322 km (0.07 R)
• M10: 6,457,093 km (0.107 R)
• M11: 7,598,225 km (0.108 R)
• M12: 8,960,763 km (0.112 R)
• M13: 10,685,477 km (0.061 R)
• M14: 11,354,628 km (0.086 R)
• M15: 11,865,355 km (0.103 R)
• M16: 13,329,469 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 14.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.16 AU - 5.32 AU

Year: 6561 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,434,527 km

• M1: 175,628 km (0.12 R)
• M2: 1,943,426 km (0.102 R)
• M3: 2,591,634 km (0.088 R)
• M4: 3,748,773 km (0.101 R)
• M5: 4,327,268 km (0.089 R)
• M6: 5,333,912 km (0.058 R)
• M7: 7,951,576 km (0.108 R)
• M8: 11,018,482 km (0.098 R)
• M9: 11,929,233 km (0.035 R)
• M10: 12,742,447 km (0.114 R)
• M11: 14,214,490 km (0.103 R)
• M12: 16,543,729 km (0.102 R)
• M13: 17,494,723 km (0.116 R)
• M14: 18,607,731 km (0.069 R)
• M15: 19,570,842 km (0.065 R)
• M16: 20,974,818 km (0.076 R)
• M17: 23,241,974 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 13.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.5 AU - 5.64 AU

Year: 7258 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 21,434,527 km

• M1: 164,707 km (0.084 R)
• M2: 609,611 km (0.097 R)
• M3: 1,133,802 km (0.091 R)
• M4: 2,351,080 km (0.074 R)
• M5: 2,994,052 km (0.096 R)
• M6: 3,728,129 km (0.108 R)
• M7: 4,606,866 km (0.117 R)
• M8: 5,977,183 km (0.11 R)
• M9: 6,419,843 km (0.116 R)
• M10: 7,068,948 km (0.086 R)
• M11: 7,801,230 km (0.057 R)
• M12: 8,626,262 km (0.066 R)
• M13: 9,060,096 km (0.032 R)
• M14: 10,209,157 km (0.119 R)
• M15: 10,943,832 km (0.116 R)
• M16: 13,361,035 km (0.074 R)
• M17: 14,848,187 km (0.094 R)
• M18: 15,920,654 km (0.104 R)
• M19: 18,719,331 km (0.116 R)
• M20: 19,522,821 km (0.111 R)
• M21: 19,970,568 km (0.117 R)
• M22: 20,964,646 km (0.095 R)
• M23: 23,467,867 km (0.11 R)
• M24: 26,617,650 km (0.112 R)
• M25: 30,337,102 km (0.103 R)
• M26: 31,242,169 km (0.104 R)
• M27: 32,061,816 km (0.109 R)
• M28: 33,851,006 km (0.098 R)
• M29: 37,858,284 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.3

Radius: 11.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.62 AU - 5.78 AU

Year: 7539 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 21,434,527 km

• M1: 144,212 km (0.032 R)
• M2: 924,664 km (0.115 R)
• M3: 1,303,147 km (0.084 R)
• M4: 1,898,247 km (0.106 R)
• M5: 2,308,445 km (0.089 R)
• M6: 2,834,281 km (0.088 R)
• M7: 3,888,797 km (0.099 R)
• M8: 5,690,105 km (0.062 R)
• M9: 7,000,432 km (0.103 R)
• M10: 8,185,995 km (0.04 R)
• M11: 8,704,203 km (0.057 R)
• M12: 10,073,771 km (0.106 R)
• M13: 11,582,017 km (0.076 R)
• M14: 12,493,816 km (0.1 R)
• M15: 13,507,641 km (0.113 R)
• M16: 13,894,800 km (0.074 R)
• M17: 14,460,579 km (0.106 R)
• M18: 15,397,660 km (0.099 R)
• M19: 16,250,667 km (0.108 R)
• M20: 17,263,594 km (0.052 R)
• M21: 18,656,350 km (0.035 R)
• M22: 19,485,123 km (0.1 R)
• M23: 20,701,054 km (0.079 R)
• M24: 22,119,092 km (0.118 R)
• M25: 26,330,422 km (0.059 R)
• M26: 29,912,842 km (0.108 R)
• M27: 31,820,514 km (0.106 R)
• M28: 32,605,903 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155

Radius: 3.9

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.56 AU - 9.26 AU

Year: 12825 Days

Day: 22.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,434,527 km

• M1: 53,406 km (0.108 R)
• M2: 888,163 km (0.03 R)
• M3: 1,219,522 km (0.077 R)
• M4: 2,509,355 km (0.057 R)
• M5: 2,863,004 km (0.118 R)
• M6: 3,249,116 km (0.106 R)
• M7: 3,555,193 km (0.112 R)
• M8: 4,000,845 km (0.11 R)
• M9: 4,806,430 km (0.062 R)
• M10: 6,766,312 km (0.025 R)
• M11: 8,333,948 km (0.1 R)
• M12: 9,947,062 km (0.064 R)
• M13: 12,061,777 km (0.11 R)
• M14: 12,792,862 km (0.079 R)
• M15: 15,828,502 km (0.088 R)
• M16: 25,994,276 km (0.086 R)
• M17: 30,415,341 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.7

Radius: 3.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.78 AU - 12.02 AU

Year: 22881 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,434,527 km

• M1: 39,943 km (0.088 R)
• M2: 181,911 km (0.1 R)
• M3: 306,975 km (0.103 R)
• M4: 5,389,413 km (0.107 R)
• M5: 5,780,761 km (0.073 R)
• M6: 6,561,363 km (0.082 R)
• M7: 10,548,295 km (0.093 R)
• M8: 11,922,651 km (0.103 R)
• M9: 12,540,191 km (0.084 R)
• M10: 13,178,824 km (0.088 R)
• M11: 13,506,145 km (0.078 R)
• M12: 14,970,409 km (0.086 R)
• M13: 17,138,082 km (0.084 R)
• M14: 20,799,041 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 16,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit