🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 13.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,462,045 km

• M1: 171,589 km (0.117 R)
• M2: 624,571 km (0.109 R)
• M3: 1,168,359 km (0.093 R)
• M4: 1,669,213 km (0.089 R)
• M5: 2,367,685 km (0.074 R)
• M6: 3,102,061 km (0.111 R)
• M7: 3,624,756 km (0.065 R)
• M8: 4,126,956 km (0.058 R)
• M9: 4,938,076 km (0.066 R)
• M10: 5,509,540 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 12.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,462,045 km

• M1: 154,235 km (0.116 R)
• M2: 587,620 km (0.106 R)
• M3: 985,102 km (0.095 R)
• M4: 1,546,692 km (0.052 R)
• M5: 2,035,279 km (0.09 R)
• M6: 2,526,259 km (0.113 R)
• M7: 2,973,557 km (0.073 R)
• M8: 3,541,580 km (0.106 R)
• M9: 4,284,184 km (0.074 R)
• M10: 4,700,066 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 8.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.66 AU - 0.84 AU

Year: 448 Days

Day: 10.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,462,045 km

• M1: 107,710 km (0.107 R)
• M2: 503,846 km (0.079 R)
• M3: 776,114 km (0.064 R)
• M4: 1,103,583 km (0.092 R)
• M5: 1,403,078 km (0.074 R)
• M6: 1,707,211 km (0.06 R)
• M7: 1,999,525 km (0.096 R)
• M8: 2,387,732 km (0.08 R)
• M9: 2,677,054 km (0.074 R)
• M10: 3,021,578 km (0.079 R)
• M11: 3,384,203 km (0.116 R)
• M12: 3,653,928 km (0.064 R)
• M13: 3,938,014 km (0.087 R)
• M14: 4,851,309 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 14.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.83 AU - 0.95 AU

Year: 580 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,462,045 km

• M1: 175,329 km (0.115 R)
• M2: 658,679 km (0.094 R)
• M3: 1,110,166 km (0.083 R)
• M4: 1,697,487 km (0.068 R)
• M5: 2,282,564 km (0.118 R)
• M6: 2,837,572 km (0.083 R)
• M7: 3,507,172 km (0.079 R)
• M8: 4,366,612 km (0.083 R)
• M9: 5,548,136 km (0.069 R)
• M10: 6,241,971 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 10

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.2 AU - 1.7 AU

Year: 1205 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,462,045 km

• M1: 124,465 km (0.059 R)
• M2: 501,302 km (0.119 R)
• M3: 915,988 km (0.104 R)
• M4: 1,233,285 km (0.095 R)
• M5: 1,659,788 km (0.094 R)
• M6: 1,971,550 km (0.107 R)
• M7: 3,461,545 km (0.08 R)
• M8: 4,543,587 km (0.07 R)
• M9: 4,956,477 km (0.081 R)
• M10: 6,347,886 km (0.112 R)
• M11: 6,888,084 km (0.091 R)
• M12: 7,831,149 km (0.083 R)
• M13: 8,189,885 km (0.094 R)
• M14: 8,506,135 km (0.102 R)
• M15: 8,995,918 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 9.6

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.13 AU - 2.83 AU

Year: 2696 Days

Day: 11.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,462,045 km

• M1: 119,379 km (0.109 R)
• M2: 435,330 km (0.078 R)
• M3: 965,505 km (0.094 R)
• M4: 1,411,606 km (0.064 R)
• M5: 2,017,327 km (0.045 R)
• M6: 2,631,726 km (0.118 R)
• M7: 3,084,558 km (0.115 R)
• M8: 4,022,836 km (0.094 R)
• M9: 5,564,442 km (0.064 R)
• M10: 5,904,179 km (0.063 R)
• M11: 7,311,147 km (0.056 R)
• M12: 8,754,467 km (0.09 R)
• M13: 10,146,326 km (0.074 R)
• M14: 11,057,227 km (0.079 R)
• M15: 12,725,244 km (0.113 R)
• M16: 13,878,942 km (0.032 R)
• M17: 14,456,839 km (0.106 R)
• M18: 15,764,025 km (0.101 R)
• M19: 16,446,491 km (0.099 R)
• M20: 18,039,558 km (0.103 R)
• M21: 18,381,689 km (0.102 R)
• M22: 19,020,023 km (0.111 R)
• M23: 20,218,451 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 11.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.99 AU - 4.63 AU

Year: 6176 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,462,045 km

• M1: 146,756 km (0.099 R)
• M2: 666,309 km (0.056 R)
• M3: 1,128,566 km (0.099 R)
• M4: 1,499,120 km (0.055 R)
• M5: 1,967,810 km (0.118 R)
• M6: 2,462,082 km (0.112 R)
• M7: 3,143,051 km (0.114 R)
• M8: 4,909,653 km (0.089 R)
• M9: 5,957,735 km (0.051 R)
• M10: 7,112,182 km (0.095 R)
• M11: 7,489,917 km (0.09 R)
• M12: 8,704,801 km (0.06 R)
• M13: 13,420,275 km (0.091 R)
• M14: 14,473,893 km (0.106 R)
• M15: 16,286,271 km (0.087 R)
• M16: 17,758,763 km (0.088 R)
• M17: 18,245,405 km (0.101 R)
• M18: 19,537,632 km (0.118 R)
• M19: 21,984,305 km (0.095 R)
• M20: 23,696,901 km (0.101 R)
• M21: 24,286,915 km (0.078 R)
• M22: 26,474,934 km (0.072 R)
• M23: 26,927,766 km (0.066 R)
• M24: 27,385,835 km (0.119 R)
• M25: 28,982,194 km (0.072 R)
• M26: 29,949,793 km (0.034 R)
• M27: 35,004,705 km (0.044 R)
• M28: 37,108,799 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 11.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.77 AU - 4.97 AU

Year: 6306 Days

Day: 12 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,462,045 km

• M1: 141,071 km (0.06 R)
• M2: 899,382 km (0.098 R)
• M3: 1,473,090 km (0.063 R)
• M4: 2,054,727 km (0.085 R)
• M5: 3,424,146 km (0.073 R)
• M6: 4,653,840 km (0.115 R)
• M7: 5,187,605 km (0.076 R)
• M8: 5,643,580 km (0.112 R)
• M9: 6,033,731 km (0.065 R)
• M10: 7,071,791 km (0.115 R)
• M11: 7,925,546 km (0.074 R)
• M12: 13,203,957 km (0.099 R)
• M13: 14,441,430 km (0.117 R)
• M14: 15,404,691 km (0.08 R)
• M15: 16,169,884 km (0.119 R)
• M16: 17,021,844 km (0.042 R)
• M17: 30,158,632 km (0.051 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 14.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.95 AU - 5.97 AU

Year: 8806 Days

Day: 8.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,462,045 km

• M1: 183,257 km (0.078 R)
• M2: 831,764 km (0.078 R)
• M3: 2,515,339 km (0.116 R)
• M4: 3,272,603 km (0.094 R)
• M5: 5,271,380 km (0.107 R)
• M6: 5,857,953 km (0.105 R)
• M7: 6,728,164 km (0.118 R)
• M8: 8,872,650 km (0.106 R)
• M9: 10,631,771 km (0.08 R)
• M10: 11,440,796 km (0.084 R)
• M11: 13,038,053 km (0.075 R)
• M12: 23,669,674 km (0.105 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: 368 - 18,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit