🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 8.5

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.42 AU - 0.6 AU

Year: 247 Days

Day: 12.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,847,294 km

• M1: 105,766 km (0.107 R)
• M2: 423,512 km (0.099 R)
• M3: 749,186 km (0.089 R)
• M4: 1,207,255 km (0.114 R)
• M5: 2,012,091 km (0.053 R)
• M6: 2,315,177 km (0.099 R)
• M7: 2,817,676 km (0.069 R)
• M8: 3,501,488 km (0.103 R)
• M9: 3,799,636 km (0.11 R)
• M10: 4,189,937 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 8.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.96 AU - 1.18 AU

Year: 751 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,847,294 km

• M1: 104,569 km (0.107 R)
• M2: 411,394 km (0.053 R)
• M3: 701,315 km (0.032 R)
• M4: 1,158,486 km (0.111 R)
• M5: 1,585,438 km (0.107 R)
• M6: 2,680,644 km (0.116 R)
• M7: 3,087,251 km (0.096 R)
• M8: 4,074,597 km (0.111 R)
• M9: 4,599,686 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 14

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.94 AU - 1.3 AU

Year: 804 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,847,294 km

• M1: 175,478 km (0.066 R)
• M2: 861,385 km (0.087 R)
• M3: 1,555,219 km (0.111 R)
• M4: 2,248,905 km (0.083 R)
• M5: 2,686,778 km (0.06 R)
• M6: 3,369,842 km (0.081 R)
• M7: 4,327,418 km (0.059 R)
• M8: 4,941,816 km (0.115 R)
• M9: 6,626,438 km (0.069 R)
• M10: 7,904,153 km (0.102 R)
• M11: 9,175,735 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 13.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.81 AU - 3.53 AU

Year: 3828 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,847,294 km

• M1: 165,605 km (0.093 R)
• M2: 712,983 km (0.091 R)
• M3: 1,353,412 km (0.098 R)
• M4: 2,881,853 km (0.11 R)
• M5: 3,378,518 km (0.065 R)
• M6: 4,522,643 km (0.109 R)
• M7: 5,171,449 km (0.115 R)
• M8: 7,839,527 km (0.096 R)
• M9: 9,314,113 km (0.096 R)
• M10: 10,663,785 km (0.088 R)
• M11: 13,799,805 km (0.036 R)
• M12: 14,578,312 km (0.096 R)
• M13: 15,996,800 km (0.119 R)
• M14: 16,623,914 km (0.043 R)
• M15: 21,346,120 km (0.04 R)
• M16: 22,176,688 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.7

Radius: 12.4

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.71 AU - 4.83 AU

Year: 7066 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,847,294 km

• M1: 154,684 km (0.118 R)
• M2: 755,768 km (0.113 R)
• M3: 2,624,844 km (0.101 R)
• M4: 5,043,094 km (0.117 R)
• M5: 7,888,595 km (0.046 R)
• M6: 8,347,561 km (0.067 R)
• M7: 9,994,634 km (0.066 R)
• M8: 10,490,700 km (0.064 R)
• M9: 15,891,333 km (0.119 R)
• M10: 16,682,706 km (0.104 R)
• M11: 22,412,005 km (0.087 R)
• M12: 23,191,560 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.2

Radius: 5.7

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.79 AU - 6.49 AU

Year: 10319 Days

Day: 21.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,847,294 km

• M1: 71,358 km (0.074 R)
• M2: 280,646 km (0.109 R)
• M3: 496,665 km (0.052 R)
• M4: 676,332 km (0.055 R)
• M5: 926,310 km (0.077 R)
• M6: 1,359,246 km (0.119 R)
• M7: 1,694,345 km (0.074 R)
• M8: 1,874,611 km (0.114 R)
• M9: 2,241,425 km (0.044 R)
• M10: 3,097,574 km (0.048 R)
• M11: 3,477,253 km (0.112 R)
• M12: 3,770,315 km (0.041 R)
• M13: 3,982,744 km (0.046 R)
• M14: 4,886,315 km (0.087 R)
• M15: 5,110,712 km (0.069 R)
• M16: 5,856,607 km (0.081 R)
• M17: 6,077,862 km (0.119 R)
• M18: 6,706,772 km (0.095 R)
• M19: 6,914,114 km (0.047 R)
• M20: 7,977,456 km (0.086 R)
• M21: 9,660,731 km (0.091 R)
• M22: 10,515,534 km (0.062 R)
• M23: 10,985,271 km (0.113 R)
• M24: 15,200,191 km (0.071 R)
• M25: 18,360,296 km (0.103 R)
• M26: 21,556,156 km (0.096 R)
• M27: 22,236,975 km (0.106 R)
• M28: 27,233,993 km (0.113 R)
• M29: 28,387,842 km (0.043 R)
• M30: 29,759,205 km (0.04 R)
• M31: 31,078,509 km (0.09 R)
• M32: 32,338,123 km (0.096 R)
• M33: 33,329,807 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.2

Radius: 6.1

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9 AU - 12.2 AU

Year: 23407 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 118 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,847,294 km

• M1: 80,783 km (0.108 R)
• M2: 340,186 km (0.09 R)
• M3: 776,712 km (0.112 R)
• M4: 1,520,812 km (0.101 R)
• M5: 2,087,189 km (0.1 R)
• M6: 2,430,068 km (0.045 R)
• M7: 3,657,668 km (0.074 R)
• M8: 4,560,192 km (0.08 R)
• M9: 6,750,305 km (0.105 R)
• M10: 14,443,525 km (0.089 R)
• M11: 17,245,643 km (0.081 R)
• M12: 24,751,716 km (0.114 R)
• M13: 25,848,268 km (0.085 R)
• M14: 28,492,560 km (0.092 R)
• M15: 29,331,804 km (0.04 R)
• M16: 31,692,758 km (0.08 R)
• M17: 36,089,140 km (0.076 R)
• M18: 65,069,838 km (0.099 R)
• M19: 66,732,768 km (0.033 R)
• M20: 69,710,513 km (0.112 R)
• M21: 70,795,248 km (0.053 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 17,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit