🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 13.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.08 AU - 2.22 AU

Year: 2138 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,324,117 km

• M1: 170,691 km (0.12 R)
• M2: 598,391 km (0.082 R)
• M3: 1,076,207 km (0.03 R)
• M4: 1,771,688 km (0.08 R)
• M5: 2,689,471 km (0.101 R)
• M6: 3,787,968 km (0.099 R)
• M7: 4,945,556 km (0.054 R)
• M8: 5,585,685 km (0.07 R)
• M9: 6,210,705 km (0.112 R)
• M10: 6,783,366 km (0.113 R)
• M11: 9,011,028 km (0.096 R)
• M12: 9,904,725 km (0.052 R)
• M13: 10,621,598 km (0.098 R)
• M14: 11,095,524 km (0.079 R)
• M15: 12,049,660 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.1

Radius: 12

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.57 AU - 2.63 AU

Year: 2843 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,324,117 km

• M1: 149,747 km (0.092 R)
• M2: 877,392 km (0.103 R)
• M3: 1,385,575 km (0.102 R)
• M4: 1,875,209 km (0.106 R)
• M5: 2,325,948 km (0.092 R)
• M6: 3,199,898 km (0.083 R)
• M7: 4,376,635 km (0.111 R)
• M8: 5,256,720 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 11.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.57 AU - 2.73 AU

Year: 2926 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,324,117 km

• M1: 148,102 km (0.071 R)
• M2: 608,564 km (0.1 R)
• M3: 1,057,956 km (0.038 R)
• M4: 1,492,987 km (0.097 R)
• M5: 1,980,077 km (0.116 R)
• M6: 3,563,720 km (0.088 R)
• M7: 4,163,309 km (0.115 R)
• M8: 5,160,229 km (0.098 R)
• M9: 6,956,600 km (0.084 R)
• M10: 7,870,793 km (0.105 R)
• M11: 8,330,956 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.5

Radius: 11

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.64 AU - 3.44 AU

Year: 3595 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,324,117 km

• M1: 137,480 km (0.096 R)
• M2: 523,293 km (0.104 R)
• M3: 1,323,642 km (0.059 R)
• M4: 1,853,518 km (0.073 R)
• M5: 2,490,057 km (0.06 R)
• M6: 3,743,836 km (0.098 R)
• M7: 4,404,760 km (0.04 R)
• M8: 5,167,858 km (0.043 R)
• M9: 5,705,513 km (0.085 R)
• M10: 6,924,736 km (0.118 R)
• M11: 7,411,677 km (0.086 R)
• M12: 9,671,802 km (0.026 R)
• M13: 10,531,840 km (0.092 R)
• M14: 10,959,091 km (0.115 R)
• M15: 12,357,233 km (0.093 R)
• M16: 13,123,772 km (0.045 R)
• M17: 14,384,583 km (0.105 R)
• M18: 15,669,479 km (0.094 R)
• M19: 17,204,503 km (0.09 R)
• M20: 19,340,761 km (0.109 R)
• M21: 20,047,162 km (0.059 R)
• M22: 20,770,767 km (0.117 R)
• M23: 21,716,674 km (0.12 R)
• M24: 25,482,950 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.1

Radius: 11.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.03 AU - 4.21 AU

Year: 5672 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,324,117 km

• M1: 146,756 km (0.119 R)
• M2: 517,160 km (0.081 R)
• M3: 983,606 km (0.098 R)
• M4: 1,707,959 km (0.036 R)
• M5: 3,029,955 km (0.097 R)
• M6: 4,860,884 km (0.088 R)
• M7: 5,284,096 km (0.084 R)
• M8: 6,368,381 km (0.055 R)
• M9: 7,745,131 km (0.058 R)
• M10: 8,483,695 km (0.073 R)
• M11: 9,141,477 km (0.118 R)
• M12: 11,615,826 km (0.071 R)
• M13: 15,629,088 km (0.091 R)
• M14: 17,322,386 km (0.102 R)
• M15: 18,179,881 km (0.072 R)
• M16: 23,450,065 km (0.066 R)
• M17: 25,664,113 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 14.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.68 AU - 6.04 AU

Year: 8417 Days

Day: 8.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,324,117 km

• M1: 175,329 km (0.116 R)
• M2: 1,288,786 km (0.109 R)
• M3: 1,854,864 km (0.082 R)
• M4: 2,433,209 km (0.086 R)
• M5: 3,360,716 km (0.092 R)
• M6: 6,867,889 km (0.025 R)
• M7: 8,897,483 km (0.102 R)
• M8: 9,558,556 km (0.034 R)
• M9: 10,978,988 km (0.065 R)
• M10: 12,133,584 km (0.118 R)
• M11: 14,944,229 km (0.043 R)
• M12: 21,989,840 km (0.104 R)
• M13: 26,901,886 km (0.111 R)
• M14: 29,200,158 km (0.07 R)
• M15: 37,724,245 km (0.102 R)
• M16: 43,750,496 km (0.101 R)
• M17: 46,079,585 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.2

Radius: 4.1

Gravity: 27.44 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.21 AU - 8.45 AU

Year: 13460 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,324,117 km

• M1: 51,312 km (0.052 R)
• M2: 213,476 km (0.098 R)
• M3: 418,874 km (0.12 R)
• M4: 595,848 km (0.105 R)
• M5: 831,465 km (0.055 R)
• M6: 1,046,886 km (0.106 R)
• M7: 1,186,162 km (0.063 R)
• M8: 1,418,637 km (0.115 R)
• M9: 1,680,882 km (0.111 R)
• M10: 1,872,965 km (0.064 R)
• M11: 2,044,255 km (0.12 R)
• M12: 2,359,458 km (0.1 R)
• M13: 2,858,516 km (0.06 R)
• M14: 3,109,392 km (0.106 R)
• M15: 3,399,761 km (0.107 R)
• M16: 4,998,663 km (0.11 R)
• M17: 5,780,312 km (0.093 R)
• M18: 7,370,238 km (0.068 R)
• M19: 7,539,583 km (0.05 R)
• M20: 8,378,977 km (0.074 R)
• M21: 12,542,285 km (0.114 R)
• M22: 14,166,918 km (0.111 R)
• M23: 14,362,892 km (0.075 R)
• M24: 19,147,929 km (0.081 R)
• M25: 20,532,757 km (0.082 R)
• M26: 21,895,892 km (0.118 R)
• M27: 23,867,143 km (0.029 R)
• M28: 25,372,846 km (0.079 R)
• M29: 32,821,773 km (0.059 R)
• M30: 39,117,450 km (0.107 R)
• M31: 39,374,459 km (0.112 R)
• M32: 40,152,218 km (0.083 R)
• M33: 49,245,525 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 7.8

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.95 AU - 9.35 AU

Year: 18773 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,324,117 km

• M1: 107,860 km (0.09 R)
• M2: 685,457 km (0.1 R)
• M3: 1,271,432 km (0.094 R)
• M4: 1,655,001 km (0.116 R)
• M5: 2,655,362 km (0.042 R)
• M6: 3,011,854 km (0.109 R)
• M7: 4,482,700 km (0.077 R)
• M8: 5,494,131 km (0.074 R)
• M9: 6,204,572 km (0.09 R)
• M10: 6,559,418 km (0.082 R)
• M11: 8,116,133 km (0.101 R)
• M12: 10,638,353 km (0.089 R)
• M13: 13,714,834 km (0.115 R)
• M14: 16,316,191 km (0.073 R)
• M15: 17,425,459 km (0.102 R)
• M16: 19,698,898 km (0.049 R)
• M17: 20,661,112 km (0.117 R)
• M18: 22,679,187 km (0.053 R)
• M19: 25,606,967 km (0.034 R)
• M20: 26,175,588 km (0.111 R)
• M21: 34,627,718 km (0.036 R)
• M22: 41,068,655 km (0.036 R)
• M23: 47,067,529 km (0.047 R)
• M24: 50,009,521 km (0.094 R)
• M25: 62,389,343 km (0.092 R)
• M26: 69,390,972 km (0.057 R)
• M27: 71,611,753 km (0.083 R)
• M28: 75,495,164 km (0.035 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.6

Radius: 3.9

Gravity: 31.73 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.2 AU - 11.5 AU

Year: 19391 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,324,117 km

• M1: 48,619 km (0.087 R)
• M2: 305,030 km (0.072 R)
• M3: 627,862 km (0.108 R)
• M4: 1,457,083 km (0.107 R)
• M5: 1,928,915 km (0.095 R)
• M6: 2,139,848 km (0.089 R)
• M7: 2,630,529 km (0.114 R)
• M8: 3,166,538 km (0.082 R)
• M9: 3,351,441 km (0.06 R)
• M10: 3,571,500 km (0.09 R)
• M11: 4,418,672 km (0.089 R)
• M12: 4,616,291 km (0.118 R)
• M13: 4,923,715 km (0.038 R)
• M14: 6,457,542 km (0.08 R)
• M15: 7,241,435 km (0.112 R)
• M16: 11,256,492 km (0.102 R)
• M17: 12,582,527 km (0.093 R)
• M18: 13,799,057 km (0.101 R)
• M19: 14,435,746 km (0.105 R)
• M20: 15,464,829 km (0.105 R)
• M21: 17,259,854 km (0.086 R)
• M22: 17,915,542 km (0.118 R)
• M23: 19,981,788 km (0.072 R)
• M24: 20,160,856 km (0.049 R)
• M25: 23,271,594 km (0.119 R)
• M26: 29,372,196 km (0.034 R)
• M27: 30,779,463 km (0.08 R)
• M28: 31,986,119 km (0.115 R)
• M29: 36,858,821 km (0.111 R)
• M30: 46,456,422 km (0.108 R)
• M31: 51,656,594 km (0.038 R)
• M32: 58,868,408 km (0.082 R)
• M33: 60,163,028 km (0.111 R)
• M34: 62,617,779 km (0.087 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: 241 - 12,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit