🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.9

Radius: 9.1

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,894,166 km

• M1: 113,246 km (0.1 R)
• M2: 416,480 km (0.12 R)
• M3: 1,224,159 km (0.103 R)
• M4: 1,776,475 km (0.089 R)
• M5: 2,096,465 km (0.113 R)
• M6: 2,583,406 km (0.034 R)
• M7: 2,925,087 km (0.054 R)
• M8: 3,521,235 km (0.047 R)
• M9: 3,855,736 km (0.062 R)
• M10: 5,304,441 km (0.094 R)
• M11: 7,394,922 km (0.087 R)
• M12: 7,759,342 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 11.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.87 AU - 1.03 AU

Year: 639 Days

Day: 5.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,894,166 km

• M1: 141,819 km (0.077 R)
• M2: 522,097 km (0.063 R)
• M3: 1,272,928 km (0.076 R)
• M4: 1,719,927 km (0.082 R)
• M5: 2,243,370 km (0.119 R)
• M6: 2,815,582 km (0.107 R)
• M7: 3,233,259 km (0.082 R)
• M8: 3,868,900 km (0.119 R)
• M9: 4,539,697 km (0.085 R)
• M10: 4,985,050 km (0.087 R)
• M11: 5,355,305 km (0.041 R)
• M12: 5,743,960 km (0.076 R)
• M13: 6,420,890 km (0.081 R)
• M14: 7,108,143 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.7

Radius: 11.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.91 AU - 1.29 AU

Year: 796 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,894,166 km

• M1: 144,212 km (0.09 R)
• M2: 536,458 km (0.12 R)
• M3: 1,107,772 km (0.115 R)
• M4: 1,640,041 km (0.079 R)
• M5: 2,636,214 km (0.1 R)
• M6: 3,458,254 km (0.086 R)
• M7: 3,891,938 km (0.094 R)
• M8: 4,361,825 km (0.116 R)
• M9: 5,665,720 km (0.087 R)
• M10: 6,044,352 km (0.078 R)
• M11: 6,808,349 km (0.051 R)
• M12: 7,214,058 km (0.036 R)
• M13: 7,611,839 km (0.096 R)
• M14: 8,349,955 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 11.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.18 AU - 1.2 AU

Year: 896 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,894,166 km

• M1: 148,401 km (0.075 R)
• M2: 569,220 km (0.086 R)
• M3: 1,077,404 km (0.092 R)
• M4: 1,551,180 km (0.068 R)
• M5: 1,954,496 km (0.064 R)
• M6: 2,398,054 km (0.065 R)
• M7: 3,804,573 km (0.065 R)
• M8: 4,792,817 km (0.055 R)
• M9: 5,700,726 km (0.052 R)
• M10: 6,157,000 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 14

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.39 AU - 1.75 AU

Year: 1358 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 57 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,894,166 km

• M1: 174,132 km (0.085 R)
• M2: 681,717 km (0.085 R)
• M3: 1,619,696 km (0.088 R)
• M4: 2,279,124 km (0.061 R)
• M5: 3,627,898 km (0.086 R)
• M6: 4,327,268 km (0.056 R)
• M7: 5,156,938 km (0.098 R)
• M8: 5,632,509 km (0.118 R)
• M9: 7,398,961 km (0.106 R)
• M10: 8,948,496 km (0.072 R)
• M11: 9,735,231 km (0.071 R)
• M12: 10,843,901 km (0.114 R)
• M13: 12,489,178 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.3

Radius: 14.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.39 AU - 1.91 AU

Year: 1463 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,894,166 km

• M1: 185,352 km (0.064 R)
• M2: 867,967 km (0.04 R)
• M3: 1,462,618 km (0.119 R)
• M4: 2,353,623 km (0.103 R)
• M5: 3,030,554 km (0.109 R)
• M6: 3,852,594 km (0.109 R)
• M7: 6,443,629 km (0.051 R)
• M8: 7,208,074 km (0.104 R)
• M9: 7,723,140 km (0.078 R)
• M10: 8,586,469 km (0.087 R)
• M11: 9,481,513 km (0.086 R)
• M12: 11,205,629 km (0.11 R)
• M13: 11,861,615 km (0.069 R)
• M14: 13,736,974 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 12

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.74 AU - 2.18 AU

Year: 1894 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 103.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,894,166 km

• M1: 149,299 km (0.07 R)
• M2: 546,331 km (0.055 R)
• M3: 980,614 km (0.102 R)
• M4: 2,100,205 km (0.061 R)
• M5: 2,784,914 km (0.087 R)
• M6: 3,863,066 km (0.119 R)
• M7: 4,298,396 km (0.088 R)
• M8: 5,134,349 km (0.045 R)
• M9: 5,521,209 km (0.109 R)
• M10: 6,277,127 km (0.101 R)
• M11: 7,381,458 km (0.066 R)
• M12: 8,579,587 km (0.104 R)
• M13: 9,093,606 km (0.035 R)
• M14: 10,650,471 km (0.117 R)
• M15: 11,627,345 km (0.048 R)
• M16: 12,418,568 km (0.106 R)
• M17: 13,330,217 km (0.116 R)
• M18: 15,055,081 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.7

Radius: 12.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.08 AU - 3.26 AU

Year: 3896 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,894,166 km

• M1: 157,975 km (0.085 R)
• M2: 876,195 km (0.046 R)
• M3: 1,291,927 km (0.12 R)
• M4: 1,755,531 km (0.062 R)
• M5: 2,614,672 km (0.063 R)
• M6: 3,103,557 km (0.114 R)
• M7: 3,886,702 km (0.114 R)
• M8: 4,949,894 km (0.06 R)
• M9: 6,409,670 km (0.111 R)
• M10: 7,239,340 km (0.047 R)
• M11: 7,645,947 km (0.051 R)
• M12: 8,247,929 km (0.043 R)
• M13: 8,691,786 km (0.091 R)
• M14: 10,457,938 km (0.115 R)
• M15: 14,001,912 km (0.088 R)
• M16: 14,742,421 km (0.095 R)
• M17: 15,397,810 km (0.106 R)
• M18: 22,628,623 km (0.076 R)
• M19: 23,945,832 km (0.101 R)
• M20: 27,055,074 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.1

Radius: 5.4

Gravity: 33.61 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.11 AU - 7.29 AU

Year: 11971 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,894,166 km

• M1: 67,319 km (0.107 R)
• M2: 256,411 km (0.108 R)
• M3: 908,059 km (0.091 R)
• M4: 1,304,793 km (0.025 R)
• M5: 1,628,672 km (0.059 R)
• M6: 1,861,746 km (0.034 R)
• M7: 2,174,555 km (0.105 R)
• M8: 4,107,958 km (0.073 R)
• M9: 5,248,641 km (0.11 R)
• M10: 7,311,446 km (0.062 R)
• M11: 7,625,003 km (0.11 R)
• M12: 7,854,487 km (0.071 R)
• M13: 8,669,346 km (0.108 R)
• M14: 10,132,114 km (0.06 R)
• M15: 12,244,885 km (0.095 R)
• M16: 12,496,359 km (0.045 R)
• M17: 13,805,939 km (0.057 R)
• M18: 16,849,059 km (0.052 R)
• M19: 23,827,201 km (0.069 R)
• M20: 26,980,126 km (0.059 R)
• M21: 28,271,754 km (0.045 R)
• M22: 29,830,115 km (0.103 R)
• M23: 30,057,204 km (0.064 R)
• M24: 42,229,684 km (0.056 R)
• M25: 43,383,383 km (0.101 R)
• M26: 48,993,751 km (0.05 R)
• M27: 49,627,747 km (0.079 R)
• M28: 53,046,507 km (0.098 R)
• M29: 56,271,987 km (0.119 R)
• M30: 57,142,048 km (0.072 R)
• M31: 57,492,556 km (0.036 R)
• M32: 58,552,607 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 12,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit