🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 9.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 84,892,382 km

• M1: 144,960 km (0.113 R)
• M2: 590,762 km (0.062 R)
• M3: 1,960,031 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 12.2

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.87 AU - 1.37 AU

Year: 818 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,892,382 km

• M1: 152,141 km (0.089 R)
• M2: 540,497 km (0.063 R)
• M3: 997,967 km (0.105 R)
• M4: 1,694,944 km (0.092 R)
• M5: 2,570,091 km (0.057 R)
• M6: 3,065,410 km (0.088 R)
• M7: 3,799,936 km (0.109 R)
• M8: 4,249,627 km (0.094 R)
• M9: 6,164,180 km (0.111 R)
• M10: 6,633,618 km (0.068 R)
• M11: 8,339,483 km (0.108 R)
• M12: 8,941,465 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 12.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.09 AU - 1.29 AU

Year: 896 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,892,382 km

• M1: 160,668 km (0.103 R)
• M2: 650,751 km (0.106 R)
• M3: 1,053,618 km (0.108 R)
• M4: 1,467,406 km (0.048 R)
• M5: 2,565,753 km (0.069 R)
• M6: 3,914,976 km (0.108 R)
• M7: 4,542,240 km (0.115 R)
• M8: 5,749,196 km (0.105 R)
• M9: 8,148,446 km (0.111 R)

Asteroid Belt

Center: 1.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 11.9

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.44 AU - 2.24 AU

Year: 1723 Days

Day: 8.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 81.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,892,382 km

• M1: 147,952 km (0.106 R)
• M2: 563,535 km (0.079 R)
• M3: 1,022,202 km (0.073 R)
• M4: 1,960,480 km (0.06 R)
• M5: 3,005,870 km (0.086 R)
• M6: 4,391,146 km (0.083 R)
• M7: 5,059,998 km (0.094 R)
• M8: 5,892,361 km (0.115 R)
• M9: 7,309,651 km (0.073 R)
• M10: 8,373,292 km (0.073 R)
• M11: 8,910,348 km (0.064 R)
• M12: 9,844,886 km (0.084 R)
• M13: 12,225,288 km (0.109 R)
• M14: 12,711,032 km (0.08 R)
• M15: 13,463,808 km (0.12 R)
• M16: 14,290,337 km (0.094 R)
• M17: 15,616,821 km (0.074 R)
• M18: 16,285,823 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 14.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.86 AU - 2.36 AU

Year: 2116 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,892,382 km

• M1: 175,478 km (0.076 R)
• M2: 807,829 km (0.108 R)
• M3: 1,366,726 km (0.072 R)
• M4: 2,020,918 km (0.104 R)
• M5: 5,488,147 km (0.079 R)
• M6: 6,157,149 km (0.077 R)
• M7: 6,681,938 km (0.115 R)
• M8: 8,126,007 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 13.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.35 AU - 3.17 AU

Year: 3165 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,892,382 km

• M1: 165,455 km (0.079 R)
• M2: 660,175 km (0.112 R)
• M3: 1,748,051 km (0.108 R)
• M4: 2,321,609 km (0.067 R)
• M5: 2,971,911 km (0.096 R)
• M6: 4,597,143 km (0.1 R)
• M7: 5,777,021 km (0.086 R)
• M8: 8,274,408 km (0.115 R)
• M9: 10,233,691 km (0.116 R)
• M10: 11,863,410 km (0.09 R)
• M11: 12,401,364 km (0.075 R)
• M12: 13,042,242 km (0.092 R)
• M13: 13,795,168 km (0.055 R)
• M14: 15,339,466 km (0.047 R)
• M15: 16,178,561 km (0.091 R)
• M16: 16,737,758 km (0.102 R)
• M17: 17,574,010 km (0.088 R)
• M18: 18,438,087 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 11.6

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.86 AU - 4.38 AU

Year: 4754 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,892,382 km

• M1: 151,543 km (0.08 R)
• M2: 642,972 km (0.117 R)
• M3: 1,275,471 km (0.089 R)
• M4: 1,906,774 km (0.105 R)
• M5: 2,843,556 km (0.119 R)
• M6: 3,436,562 km (0.11 R)
• M7: 3,817,738 km (0.064 R)
• M8: 4,742,103 km (0.077 R)
• M9: 5,493,683 km (0.088 R)
• M10: 8,341,727 km (0.106 R)
• M11: 9,194,435 km (0.113 R)
• M12: 9,850,272 km (0.073 R)
• M13: 11,347,896 km (0.106 R)
• M14: 11,768,565 km (0.074 R)
• M15: 12,199,706 km (0.089 R)
• M16: 13,452,738 km (0.098 R)
• M17: 15,067,498 km (0.112 R)
• M18: 17,977,176 km (0.114 R)
• M19: 18,872,819 km (0.093 R)
• M20: 20,753,413 km (0.088 R)
• M21: 21,525,189 km (0.116 R)
• M22: 22,977,635 km (0.048 R)
• M23: 23,501,077 km (0.052 R)
• M24: 25,915,438 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.4

Radius: 7

Gravity: 19.21 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.55 AU - 9.85 AU

Year: 16208 Days

Day: 17.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,892,382 km

• M1: 87,365 km (0.086 R)
• M2: 334,950 km (0.03 R)
• M3: 631,602 km (0.03 R)
• M4: 1,193,791 km (0.114 R)
• M5: 1,469,350 km (0.028 R)
• M6: 1,734,139 km (0.112 R)
• M7: 2,070,135 km (0.09 R)
• M8: 2,539,125 km (0.07 R)
• M9: 2,898,010 km (0.059 R)
• M10: 3,571,200 km (0.065 R)
• M11: 3,929,338 km (0.06 R)
• M12: 4,579,191 km (0.107 R)
• M13: 4,966,051 km (0.046 R)
• M14: 7,567,408 km (0.093 R)
• M15: 8,466,043 km (0.059 R)
• M16: 9,267,738 km (0.107 R)
• M17: 10,295,475 km (0.059 R)
• M18: 10,836,870 km (0.103 R)
• M19: 11,845,907 km (0.06 R)
• M20: 13,124,072 km (0.045 R)
• M21: 13,904,673 km (0.108 R)
• M22: 16,190,529 km (0.067 R)
• M23: 17,087,966 km (0.081 R)
• M24: 18,018,166 km (0.074 R)
• M25: 20,164,147 km (0.096 R)
• M26: 21,298,548 km (0.113 R)
• M27: 22,375,354 km (0.1 R)
• M28: 27,615,019 km (0.12 R)
• M29: 40,731,162 km (0.091 R)
• M30: 41,478,254 km (0.08 R)
• M31: 47,787,394 km (0.073 R)
• M32: 52,038,966 km (0.107 R)
• M33: 60,121,888 km (0.111 R)
• M34: 62,463,095 km (0.116 R)
• M35: 67,951,990 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.5

Radius: 6.3

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.98 AU - 10.2 AU

Year: 22123 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,892,382 km

• M1: 79,436 km (0.116 R)
• M2: 487,689 km (0.11 R)
• M3: 852,708 km (0.045 R)
• M4: 1,096,852 km (0.104 R)
• M5: 1,766,302 km (0.075 R)
• M6: 2,125,487 km (0.072 R)
• M7: 2,857,469 km (0.095 R)
• M8: 4,135,184 km (0.092 R)
• M9: 7,755,602 km (0.06 R)
• M10: 10,490,401 km (0.104 R)
• M11: 14,189,208 km (0.09 R)
• M12: 17,497,416 km (0.061 R)
• M13: 22,207,804 km (0.109 R)
• M14: 28,183,491 km (0.034 R)
• M15: 35,859,208 km (0.033 R)
• M16: 45,486,729 km (0.109 R)
• M17: 49,278,436 km (0.109 R)
• M18: 50,527,728 km (0.097 R)
• M19: 53,836,833 km (0.083 R)
• M20: 60,476,286 km (0.037 R)
• M21: 72,337,452 km (0.107 R)
• M22: 73,255,983 km (0.096 R)
• M23: 76,058,250 km (0.07 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: 186 - 16,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit