🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 10.8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.68 AU - 0.92 AU

Year: 455 Days

Day: 5.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,535,816 km

• M1: 134,339 km (0.106 R)
• M2: 470,186 km (0.102 R)
• M3: 841,937 km (0.091 R)
• M4: 1,399,937 km (0.062 R)
• M5: 1,768,546 km (0.06 R)
• M6: 2,255,936 km (0.052 R)
• M7: 2,800,323 km (0.1 R)
• M8: 3,491,166 km (0.065 R)
• M9: 4,654,139 km (0.113 R)
• M10: 5,131,506 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 8.2

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.81 AU - 1.29 AU

Year: 684 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,535,816 km

• M1: 102,475 km (0.043 R)
• M2: 428,149 km (0.12 R)
• M3: 949,348 km (0.065 R)
• M4: 1,540,409 km (0.06 R)
• M5: 2,346,742 km (0.118 R)
• M6: 3,317,632 km (0.08 R)
• M7: 4,615,094 km (0.073 R)
• M8: 7,428,432 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 8.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.93 AU - 2.05 AU

Year: 1785 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,535,816 km

• M1: 100,679 km (0.118 R)
• M2: 384,766 km (0.104 R)
• M3: 877,840 km (0.098 R)
• M4: 1,190,051 km (0.074 R)
• M5: 1,468,004 km (0.117 R)
• M6: 1,861,596 km (0.113 R)
• M7: 2,918,206 km (0.069 R)
• M8: 3,258,840 km (0.101 R)
• M9: 3,659,164 km (0.12 R)
• M10: 4,500,802 km (0.119 R)
• M11: 4,754,968 km (0.066 R)
• M12: 6,078,760 km (0.085 R)
• M13: 7,070,444 km (0.093 R)
• M14: 7,770,562 km (0.094 R)
• M15: 8,875,642 km (0.103 R)
• M16: 10,148,720 km (0.1 R)
• M17: 10,828,941 km (0.106 R)
• M18: 12,242,342 km (0.081 R)
• M19: 12,508,476 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 10.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.22 AU - 2.72 AU

Year: 2468 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,535,816 km

• M1: 126,859 km (0.093 R)
• M2: 552,764 km (0.119 R)
• M3: 1,695,243 km (0.027 R)
• M4: 2,275,533 km (0.071 R)
• M5: 2,665,834 km (0.066 R)
• M6: 3,205,134 km (0.078 R)
• M7: 3,664,549 km (0.073 R)
• M8: 4,370,203 km (0.102 R)
• M9: 4,957,075 km (0.081 R)
• M10: 5,934,847 km (0.099 R)
• M11: 6,959,143 km (0.071 R)
• M12: 7,704,739 km (0.068 R)
• M13: 8,211,726 km (0.101 R)
• M14: 8,952,535 km (0.065 R)
• M15: 10,397,501 km (0.058 R)
• M16: 10,738,734 km (0.069 R)
• M17: 11,264,570 km (0.1 R)
• M18: 11,807,461 km (0.062 R)
• M19: 12,520,145 km (0.064 R)
• M20: 13,261,253 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 13.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.61 AU - 5.13 AU

Year: 6833 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,535,816 km

• M1: 171,589 km (0.092 R)
• M2: 928,853 km (0.082 R)
• M3: 1,965,267 km (0.097 R)
• M4: 3,028,459 km (0.071 R)
• M5: 6,745,069 km (0.074 R)
• M6: 7,780,436 km (0.078 R)
• M7: 11,236,296 km (0.098 R)
• M8: 13,003,795 km (0.049 R)
• M9: 16,333,544 km (0.046 R)
• M10: 19,295,133 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569

Radius: 3.9

Gravity: 37.41 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.72 AU - 13.72 AU

Year: 23896 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,535,816 km

• M1: 48,619 km (0.116 R)
• M2: 177,423 km (0.108 R)
• M3: 416,630 km (0.089 R)
• M4: 600,635 km (0.056 R)
• M5: 953,088 km (0.11 R)
• M6: 1,079,797 km (0.076 R)
• M7: 1,232,088 km (0.099 R)
• M8: 1,398,890 km (0.086 R)
• M9: 2,265,361 km (0.105 R)
• M10: 2,493,049 km (0.063 R)
• M11: 3,296,389 km (0.086 R)
• M12: 3,499,393 km (0.107 R)
• M13: 4,225,392 km (0.097 R)
• M14: 6,492,548 km (0.06 R)
• M15: 6,719,488 km (0.105 R)
• M16: 6,858,165 km (0.092 R)
• M17: 8,351,750 km (0.112 R)
• M18: 8,894,192 km (0.109 R)
• M19: 9,230,787 km (0.028 R)
• M20: 9,869,869 km (0.071 R)
• M21: 11,042,268 km (0.079 R)
• M22: 11,496,746 km (0.041 R)
• M23: 11,896,023 km (0.11 R)
• M24: 13,659,931 km (0.076 R)
• M25: 15,032,791 km (0.099 R)
• M26: 17,783,746 km (0.072 R)
• M27: 19,045,903 km (0.116 R)
• M28: 21,049,019 km (0.101 R)
• M29: 25,133,639 km (0.112 R)
• M30: 31,230,949 km (0.03 R)
• M31: 32,400,206 km (0.109 R)
• M32: 32,663,947 km (0.081 R)
• M33: 40,490,160 km (0.1 R)
• M34: 42,349,212 km (0.045 R)
• M35: 42,664,565 km (0.11 R)
• M36: 53,049,649 km (0.116 R)
• M37: 67,327,569 km (0.114 R)
• M38: 72,376,946 km (0.112 R)
• M39: 74,878,671 km (0.111 R)
• M40: 78,619,515 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 11,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit