🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 9.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.53 AU - 0.69 AU

Year: 335 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,069,511 km

• M1: 120,725 km (0.092 R)
• M2: 521,648 km (0.037 R)
• M3: 896,690 km (0.117 R)
• M4: 1,307,336 km (0.099 R)
• M5: 1,727,107 km (0.12 R)
• M6: 2,196,246 km (0.082 R)
• M7: 2,500,080 km (0.065 R)
• M8: 2,851,036 km (0.092 R)
• M9: 3,297,137 km (0.115 R)
• M10: 3,608,749 km (0.079 R)
• M11: 4,267,130 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.06 AU - 1.08 AU

Year: 778 Days

Day: 14.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,069,511 km

• M1: 99,483 km (0.063 R)
• M2: 446,550 km (0.066 R)
• M3: 1,194,539 km (0.115 R)
• M4: 1,757,177 km (0.105 R)
• M5: 2,072,678 km (0.109 R)
• M6: 2,392,070 km (0.081 R)
• M7: 2,771,899 km (0.068 R)
• M8: 4,133,988 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.1

Radius: 8.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.5 AU - 3.2 AU

Year: 3382 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,069,511 km

• M1: 103,223 km (0.119 R)
• M2: 738,864 km (0.101 R)
• M3: 1,162,525 km (0.086 R)
• M4: 1,816,866 km (0.114 R)
• M5: 3,064,363 km (0.057 R)
• M6: 5,347,376 km (0.098 R)
• M7: 9,345,529 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 11.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.93 AU - 4.09 AU

Year: 4622 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,069,511 km

• M1: 141,968 km (0.118 R)
• M2: 592,856 km (0.074 R)
• M3: 974,181 km (0.084 R)
• M4: 1,563,148 km (0.117 R)
• M5: 2,457,145 km (0.076 R)
• M6: 2,899,656 km (0.114 R)
• M7: 3,821,478 km (0.109 R)
• M8: 8,727,839 km (0.103 R)
• M9: 11,363,454 km (0.096 R)
• M10: 15,159,201 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 12.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.04 AU - 4.06 AU

Year: 4702 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,069,511 km

• M1: 159,471 km (0.066 R)
• M2: 602,131 km (0.044 R)
• M3: 1,120,338 km (0.101 R)
• M4: 2,261,471 km (0.105 R)
• M5: 2,892,026 km (0.091 R)
• M6: 3,529,463 km (0.106 R)
• M7: 4,020,892 km (0.117 R)
• M8: 4,660,572 km (0.075 R)
• M9: 5,717,032 km (0.106 R)
• M10: 6,430,315 km (0.042 R)
• M11: 7,132,677 km (0.05 R)
• M12: 7,628,893 km (0.079 R)
• M13: 8,416,526 km (0.103 R)
• M14: 8,890,601 km (0.069 R)
• M15: 10,829,240 km (0.119 R)
• M16: 12,070,304 km (0.069 R)
• M17: 15,526,763 km (0.12 R)
• M18: 18,189,456 km (0.118 R)
• M19: 21,215,372 km (0.068 R)
• M20: 22,847,784 km (0.11 R)
• M21: 23,461,584 km (0.115 R)
• M22: 24,323,567 km (0.055 R)
• M23: 25,779,603 km (0.068 R)
• M24: 27,550,692 km (0.086 R)
• M25: 28,687,037 km (0.07 R)
• M26: 30,680,878 km (0.07 R)
• M27: 31,334,321 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855

Radius: 14

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.84 AU - 5.72 AU

Year: 7346 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,069,511 km

• M1: 174,132 km (0.095 R)
• M2: 918,082 km (0.095 R)
• M3: 1,408,614 km (0.061 R)
• M4: 1,847,833 km (0.059 R)
• M5: 2,562,013 km (0.06 R)
• M6: 3,164,743 km (0.073 R)
• M7: 4,630,204 km (0.052 R)
• M8: 6,023,708 km (0.12 R)
• M9: 6,947,624 km (0.088 R)
• M10: 9,486,001 km (0.069 R)
• M11: 11,506,919 km (0.091 R)
• M12: 14,711,604 km (0.049 R)
• M13: 17,406,311 km (0.108 R)
• M14: 18,614,762 km (0.114 R)
• M15: 19,726,873 km (0.113 R)
• M16: 23,329,489 km (0.098 R)
• M17: 24,446,985 km (0.114 R)
• M18: 26,974,740 km (0.076 R)
• M19: 32,756,698 km (0.116 R)
• M20: 38,244,995 km (0.071 R)
• M21: 39,076,011 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.1

Radius: 6.9

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.29 AU - 7.65 AU

Year: 14351 Days

Day: 20.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 71.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,069,511 km

• M1: 85,869 km (0.055 R)
• M2: 379,829 km (0.117 R)
• M3: 799,900 km (0.117 R)
• M4: 1,029,981 km (0.073 R)
• M5: 1,702,274 km (0.106 R)
• M6: 2,268,353 km (0.099 R)
• M7: 2,865,996 km (0.086 R)
• M8: 3,742,041 km (0.066 R)
• M9: 4,227,785 km (0.104 R)
• M10: 4,908,605 km (0.048 R)
• M11: 5,161,875 km (0.089 R)
• M12: 5,423,820 km (0.114 R)
• M13: 6,675,955 km (0.09 R)
• M14: 7,723,140 km (0.114 R)
• M15: 10,394,958 km (0.098 R)
• M16: 11,462,488 km (0.096 R)
• M17: 11,909,337 km (0.066 R)
• M18: 12,837,741 km (0.045 R)
• M19: 13,751,186 km (0.111 R)
• M20: 15,571,044 km (0.089 R)
• M21: 16,049,907 km (0.05 R)
• M22: 16,538,643 km (0.111 R)
• M23: 19,209,713 km (0.08 R)
• M24: 19,920,004 km (0.04 R)
• M25: 22,413,800 km (0.111 R)
• M26: 22,936,346 km (0.089 R)
• M27: 26,922,381 km (0.109 R)
• M28: 27,413,810 km (0.067 R)
• M29: 31,890,676 km (0.076 R)
• M30: 37,194,219 km (0.112 R)
• M31: 42,656,935 km (0.065 R)
• M32: 43,728,954 km (0.104 R)
• M33: 45,370,491 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.5

Radius: 4.8

Gravity: 27.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.63 AU - 9.19 AU

Year: 17144 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,069,511 km

• M1: 60,587 km (0.104 R)
• M2: 290,369 km (0.048 R)
• M3: 716,424 km (0.037 R)
• M4: 1,530,685 km (0.065 R)
• M5: 1,780,065 km (0.095 R)
• M6: 2,094,819 km (0.069 R)
• M7: 3,186,135 km (0.05 R)
• M8: 4,511,124 km (0.082 R)
• M9: 5,240,114 km (0.055 R)
• M10: 10,035,923 km (0.106 R)
• M11: 14,825,299 km (0.091 R)
• M12: 18,292,977 km (0.075 R)
• M13: 18,632,714 km (0.108 R)
• M14: 23,340,858 km (0.12 R)
• M15: 25,913,942 km (0.064 R)
• M16: 26,450,400 km (0.078 R)
• M17: 27,879,508 km (0.06 R)
• M18: 31,493,793 km (0.054 R)
• M19: 33,602,524 km (0.099 R)
• M20: 35,146,524 km (0.113 R)
• M21: 39,918,696 km (0.045 R)
• M22: 44,490,856 km (0.075 R)
• M23: 49,399,910 km (0.098 R)
• M24: 50,390,098 km (0.119 R)
• M25: 54,482,797 km (0.072 R)
• M26: 54,657,976 km (0.104 R)
• M27: 58,975,969 km (0.068 R)
• M28: 60,276,872 km (0.081 R)
• M29: 65,079,262 km (0.117 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: 216 - 14,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit