🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 13.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.85 AU - 1.25 AU

Year: 756 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,614,778 km

• M1: 178,470 km (0.079 R)
• M2: 1,001,109 km (0.06 R)
• M3: 1,489,097 km (0.05 R)
• M4: 2,278,525 km (0.04 R)
• M5: 2,808,700 km (0.086 R)
• M6: 3,485,481 km (0.12 R)
• M7: 4,268,775 km (0.091 R)
• M8: 4,997,317 km (0.089 R)
• M9: 5,881,889 km (0.118 R)
• M10: 6,342,202 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 10.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.11 AU - 1.17 AU

Year: 856 Days

Day: 6.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,614,778 km

• M1: 128,056 km (0.044 R)
• M2: 461,958 km (0.07 R)
• M3: 1,008,738 km (0.086 R)
• M4: 1,565,243 km (0.067 R)
• M5: 1,932,356 km (0.12 R)
• M6: 2,470,609 km (0.112 R)
• M7: 3,384,652 km (0.089 R)
• M8: 4,006,680 km (0.065 R)
• M9: 4,384,265 km (0.112 R)
• M10: 5,569,828 km (0.109 R)
• M11: 6,498,681 km (0.082 R)
• M12: 6,872,526 km (0.07 R)
• M13: 7,393,276 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.2

Radius: 13.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.24 AU - 1.9 AU

Year: 1383 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,614,778 km

• M1: 166,652 km (0.083 R)
• M2: 667,356 km (0.049 R)
• M3: 1,191,697 km (0.084 R)
• M4: 1,698,085 km (0.101 R)
• M5: 2,600,759 km (0.077 R)
• M6: 3,116,872 km (0.111 R)
• M7: 4,283,137 km (0.092 R)
• M8: 4,824,531 km (0.116 R)
• M9: 6,092,672 km (0.077 R)
• M10: 7,221,388 km (0.109 R)
• M11: 8,754,767 km (0.093 R)
• M12: 11,017,734 km (0.093 R)
• M13: 12,114,286 km (0.079 R)
• M14: 12,611,400 km (0.086 R)
• M15: 13,282,197 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 12.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.27 AU - 3.11 AU

Year: 3101 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,614,778 km

• M1: 164,558 km (0.053 R)
• M2: 807,230 km (0.114 R)
• M3: 1,235,080 km (0.105 R)
• M4: 2,034,082 km (0.109 R)
• M5: 4,314,103 km (0.085 R)
• M6: 6,078,461 km (0.077 R)
• M7: 7,620,366 km (0.107 R)
• M8: 10,601,851 km (0.106 R)
• M9: 11,748,519 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 11

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.27 AU - 3.65 AU

Year: 3580 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,614,778 km

• M1: 140,323 km (0.114 R)
• M2: 623,823 km (0.067 R)
• M3: 989,740 km (0.06 R)
• M4: 1,334,712 km (0.114 R)
• M5: 2,120,550 km (0.042 R)
• M6: 3,210,370 km (0.092 R)
• M7: 4,471,181 km (0.05 R)
• M8: 6,736,691 km (0.118 R)
• M9: 7,834,590 km (0.084 R)
• M10: 8,189,735 km (0.06 R)
• M11: 8,932,638 km (0.079 R)
• M12: 10,255,981 km (0.116 R)
• M13: 11,163,592 km (0.115 R)
• M14: 13,845,732 km (0.073 R)
• M15: 14,313,674 km (0.058 R)
• M16: 14,792,088 km (0.114 R)
• M17: 15,613,081 km (0.07 R)
• M18: 16,522,187 km (0.12 R)
• M19: 18,383,334 km (0.108 R)
• M20: 19,983,134 km (0.111 R)
• M21: 20,783,034 km (0.098 R)
• M22: 21,396,983 km (0.097 R)
• M23: 23,751,804 km (0.09 R)
• M24: 24,649,540 km (0.055 R)
• M25: 25,803,090 km (0.092 R)
• M26: 26,671,804 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 13.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.62 AU - 4.34 AU

Year: 4563 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,614,778 km

• M1: 169,195 km (0.097 R)
• M2: 625,618 km (0.118 R)
• M3: 1,230,143 km (0.096 R)
• M4: 1,929,364 km (0.069 R)
• M5: 2,854,028 km (0.09 R)
• M6: 4,763,047 km (0.094 R)
• M7: 6,473,549 km (0.097 R)
• M8: 9,068,922 km (0.12 R)
• M9: 9,694,989 km (0.055 R)
• M10: 12,293,504 km (0.104 R)
• M11: 13,647,066 km (0.107 R)
• M12: 14,647,726 km (0.098 R)
• M13: 15,326,302 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 14.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.08 AU - 4.3 AU

Year: 4983 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,614,778 km

• M1: 181,761 km (0.063 R)
• M2: 745,297 km (0.072 R)
• M3: 1,356,105 km (0.094 R)
• M4: 2,131,321 km (0.068 R)
• M5: 3,099,518 km (0.077 R)
• M6: 4,211,180 km (0.057 R)
• M7: 4,787,132 km (0.091 R)
• M8: 6,241,822 km (0.106 R)
• M9: 7,737,800 km (0.054 R)
• M10: 9,233,330 km (0.104 R)
• M11: 15,671,125 km (0.116 R)
• M12: 17,465,252 km (0.118 R)
• M13: 19,206,422 km (0.096 R)
• M14: 23,454,553 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 14.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.93 AU - 5.51 AU

Year: 8383 Days

Day: 8.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,614,778 km

• M1: 179,069 km (0.107 R)
• M2: 651,499 km (0.09 R)
• M3: 1,116,449 km (0.075 R)
• M4: 1,649,765 km (0.049 R)
• M5: 2,496,190 km (0.043 R)
• M6: 3,455,412 km (0.061 R)
• M7: 3,908,095 km (0.087 R)
• M8: 4,564,829 km (0.079 R)
• M9: 5,355,903 km (0.069 R)
• M10: 6,516,034 km (0.07 R)
• M11: 8,371,796 km (0.108 R)
• M12: 10,266,004 km (0.087 R)
• M13: 11,469,220 km (0.085 R)
• M14: 12,051,305 km (0.098 R)
• M15: 15,011,997 km (0.095 R)
• M16: 16,560,783 km (0.081 R)
• M17: 17,651,053 km (0.111 R)
• M18: 19,154,063 km (0.082 R)
• M19: 20,663,206 km (0.046 R)
• M20: 21,131,148 km (0.062 R)
• M21: 23,241,076 km (0.072 R)
• M22: 24,869,449 km (0.118 R)
• M23: 29,320,584 km (0.052 R)
• M24: 30,712,742 km (0.099 R)
• M25: 34,494,726 km (0.111 R)
• M26: 38,107,963 km (0.118 R)
• M27: 40,856,076 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.8

Radius: 4.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.83 AU - 6.47 AU

Year: 10721 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,614,778 km

• M1: 54,005 km (0.107 R)
• M2: 943,813 km (0.065 R)
• M3: 1,318,107 km (0.049 R)
• M4: 3,092,936 km (0.118 R)
• M5: 5,481,266 km (0.107 R)
• M6: 6,067,839 km (0.11 R)
• M7: 8,796,654 km (0.058 R)
• M8: 13,605,926 km (0.077 R)
• M9: 15,231,008 km (0.032 R)
• M10: 19,649,381 km (0.111 R)
• M11: 20,187,634 km (0.115 R)
• M12: 23,026,403 km (0.059 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 13,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit