🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.9

Radius: 10.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.89 AU

Year: 423 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,324,973 km

• M1: 135,536 km (0.117 R)
• M2: 608,115 km (0.116 R)
• M3: 959,521 km (0.081 R)
• M4: 1,323,492 km (0.092 R)
• M5: 1,909,916 km (0.078 R)
• M6: 2,370,977 km (0.064 R)
• M7: 3,032,947 km (0.067 R)
• M8: 3,543,824 km (0.105 R)
• M9: 3,954,321 km (0.072 R)
• M10: 5,114,452 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.6

Radius: 12.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,324,973 km

• M1: 154,684 km (0.085 R)
• M2: 709,842 km (0.111 R)
• M3: 1,115,551 km (0.094 R)
• M4: 1,583,942 km (0.087 R)
• M5: 2,386,385 km (0.076 R)
• M6: 3,144,398 km (0.077 R)
• M7: 3,858,877 km (0.115 R)
• M8: 4,247,832 km (0.102 R)
• M9: 5,415,742 km (0.104 R)
• M10: 6,787,255 km (0.051 R)

Asteroid Belt

Center: 1.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 13.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.98 AU - 2.44 AU

Year: 2228 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,324,973 km

• M1: 169,195 km (0.081 R)
• M2: 661,522 km (0.076 R)
• M3: 1,247,347 km (0.112 R)
• M4: 2,000,124 km (0.103 R)
• M5: 2,729,114 km (0.098 R)
• M6: 3,911,835 km (0.084 R)
• M7: 5,096,351 km (0.082 R)
• M8: 5,996,331 km (0.099 R)
• M9: 8,006,478 km (0.07 R)
• M10: 8,655,434 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 13.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.05 AU - 3.21 AU

Year: 2893 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,324,973 km

• M1: 166,652 km (0.104 R)
• M2: 599,139 km (0.097 R)
• M3: 1,724,863 km (0.108 R)
• M4: 2,297,973 km (0.068 R)
• M5: 2,985,674 km (0.106 R)
• M6: 3,860,074 km (0.102 R)
• M7: 6,226,263 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928

Radius: 14.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.34 AU - 2.94 AU

Year: 2909 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,324,973 km

• M1: 182,958 km (0.039 R)
• M2: 679,174 km (0.113 R)
• M3: 1,306,289 km (0.089 R)
• M4: 1,994,289 km (0.094 R)
• M5: 3,088,298 km (0.063 R)
• M6: 4,240,352 km (0.063 R)
• M7: 4,879,883 km (0.119 R)
• M8: 5,452,842 km (0.061 R)
• M9: 6,411,466 km (0.076 R)
• M10: 8,006,179 km (0.082 R)
• M11: 8,663,512 km (0.091 R)
• M12: 9,282,099 km (0.054 R)
• M13: 10,126,280 km (0.12 R)
• M14: 10,648,825 km (0.066 R)
• M15: 11,316,630 km (0.089 R)
• M16: 14,929,867 km (0.108 R)
• M17: 15,874,129 km (0.114 R)
• M18: 17,882,181 km (0.096 R)
• M19: 18,647,375 km (0.076 R)
• M20: 20,180,154 km (0.105 R)
• M21: 22,128,816 km (0.109 R)
• M22: 23,079,959 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 9.6

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.06 AU - 3.38 AU

Year: 3043 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,324,973 km

• M1: 119,379 km (0.089 R)
• M2: 423,661 km (0.066 R)
• M3: 908,807 km (0.119 R)
• M4: 1,652,608 km (0.103 R)
• M5: 1,952,103 km (0.029 R)
• M6: 2,389,228 km (0.068 R)
• M7: 3,312,097 km (0.096 R)
• M8: 3,834,642 km (0.114 R)
• M9: 5,631,013 km (0.1 R)
• M10: 6,521,719 km (0.101 R)
• M11: 6,970,214 km (0.119 R)
• M12: 7,439,353 km (0.096 R)
• M13: 7,896,075 km (0.096 R)
• M14: 9,341,938 km (0.095 R)
• M15: 10,628,031 km (0.062 R)
• M16: 11,040,024 km (0.112 R)
• M17: 11,548,507 km (0.104 R)
• M18: 11,984,136 km (0.106 R)
• M19: 13,837,354 km (0.116 R)
• M20: 15,399,306 km (0.114 R)
• M21: 16,304,223 km (0.078 R)
• M22: 17,300,545 km (0.082 R)
• M23: 19,906,241 km (0.109 R)
• M24: 20,532,906 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.1

Radius: 3.4

Gravity: 40.32 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.84 AU - 7.58 AU

Year: 10496 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,324,973 km

• M1: 42,336 km (0.087 R)
• M2: 317,746 km (0.114 R)
• M3: 1,350,719 km (0.11 R)
• M4: 1,494,632 km (0.104 R)
• M5: 6,158,795 km (0.119 R)
• M6: 14,024,202 km (0.101 R)
• M7: 15,809,802 km (0.101 R)
• M8: 18,689,262 km (0.088 R)
• M9: 21,899,483 km (0.099 R)
• M10: 22,734,688 km (0.109 R)
• M11: 23,677,753 km (0.094 R)
• M12: 23,939,399 km (0.098 R)
• M13: 28,001,580 km (0.065 R)
• M14: 30,812,225 km (0.069 R)
• M15: 34,470,790 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.2

Radius: 3.6

Gravity: 52.33 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.24 AU - 9.7 AU

Year: 15261 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,324,973 km

• M1: 44,730 km (0.081 R)
• M2: 197,020 km (0.115 R)
• M3: 471,981 km (0.058 R)
• M4: 606,021 km (0.114 R)
• M5: 1,290,282 km (0.105 R)
• M6: 1,669,363 km (0.094 R)
• M7: 2,003,863 km (0.118 R)
• M8: 2,257,432 km (0.052 R)
• M9: 2,781,174 km (0.112 R)
• M10: 3,599,923 km (0.031 R)
• M11: 4,567,672 km (0.062 R)
• M12: 4,834,255 km (0.116 R)
• M13: 7,086,900 km (0.101 R)
• M14: 7,264,024 km (0.1 R)
• M15: 7,398,811 km (0.062 R)
• M16: 8,891,200 km (0.071 R)
• M17: 10,458,537 km (0.096 R)
• M18: 11,518,886 km (0.079 R)
• M19: 11,949,878 km (0.095 R)
• M20: 12,455,519 km (0.07 R)
• M21: 14,127,425 km (0.068 R)
• M22: 16,171,081 km (0.109 R)
• M23: 17,343,031 km (0.1 R)
• M24: 19,854,480 km (0.05 R)
• M25: 28,264,124 km (0.077 R)
• M26: 29,500,700 km (0.092 R)
• M27: 31,126,081 km (0.113 R)
• M28: 33,550,015 km (0.084 R)
• M29: 33,924,160 km (0.056 R)
• M30: 36,885,449 km (0.079 R)
• M31: 37,017,993 km (0.085 R)
• M32: 38,224,949 km (0.062 R)
• M33: 40,014,289 km (0.059 R)
• M34: 40,576,029 km (0.112 R)
• M35: 42,292,365 km (0.106 R)
• M36: 47,417,139 km (0.1 R)
• M37: 48,680,344 km (0.073 R)
• M38: 55,334,158 km (0.103 R)
• M39: 56,557,569 km (0.103 R)
• M40: 57,620,462 km (0.098 R)
• M41: 61,074,079 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 13,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit