🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.8

Radius: 11.6

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.53 AU - 0.73 AU

Year: 351 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,126,251 km

• M1: 144,362 km (0.11 R)
• M2: 524,640 km (0.053 R)
• M3: 921,074 km (0.115 R)
• M4: 1,316,461 km (0.034 R)
• M5: 1,941,332 km (0.09 R)
• M6: 2,367,985 km (0.094 R)
• M7: 3,367,598 km (0.104 R)
• M8: 4,643,368 km (0.104 R)
• M9: 5,133,601 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 14.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.53 AU - 0.77 AU

Year: 368 Days

Day: 5.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 25,126,251 km

• M1: 177,872 km (0.109 R)
• M2: 738,265 km (0.091 R)
• M3: 1,338,303 km (0.047 R)
• M4: 2,051,436 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 13.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.69 AU - 0.71 AU

Year: 412 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,126,251 km

• M1: 166,652 km (0.115 R)
• M2: 843,882 km (0.101 R)
• M3: 1,442,423 km (0.102 R)
• M4: 1,977,684 km (0.09 R)
• M5: 2,610,034 km (0.096 R)
• M6: 3,052,245 km (0.098 R)
• M7: 3,664,998 km (0.074 R)
• M8: 4,198,763 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.7

Radius: 10.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.77 AU - 1.03 AU

Year: 600 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,126,251 km

• M1: 126,859 km (0.089 R)
• M2: 554,709 km (0.105 R)
• M3: 969,843 km (0.069 R)
• M4: 1,430,006 km (0.067 R)
• M5: 1,812,827 km (0.065 R)
• M6: 2,187,420 km (0.079 R)
• M7: 2,683,038 km (0.107 R)
• M8: 3,252,407 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 10.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.06 AU - 1.56 AU

Year: 1054 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,126,251 km

• M1: 135,984 km (0.112 R)
• M2: 497,712 km (0.076 R)
• M3: 846,724 km (0.076 R)
• M4: 1,220,120 km (0.062 R)
• M5: 1,579,155 km (0.12 R)
• M6: 2,180,688 km (0.073 R)
• M7: 2,853,729 km (0.108 R)
• M8: 3,246,573 km (0.119 R)
• M9: 3,675,470 km (0.098 R)
• M10: 4,843,530 km (0.114 R)
• M11: 5,366,824 km (0.12 R)
• M12: 6,179,738 km (0.066 R)
• M13: 6,660,696 km (0.06 R)
• M14: 8,677,424 km (0.092 R)
• M15: 9,031,074 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.6

Radius: 10.7

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.98 AU - 3.1 AU

Year: 2846 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,126,251 km

• M1: 133,292 km (0.07 R)
• M2: 586,274 km (0.075 R)
• M3: 961,466 km (0.078 R)
• M4: 1,788,891 km (0.077 R)
• M5: 2,435,154 km (0.067 R)
• M6: 3,488,024 km (0.053 R)
• M7: 4,085,817 km (0.025 R)
• M8: 4,868,364 km (0.095 R)
• M9: 5,774,478 km (0.059 R)
• M10: 7,465,831 km (0.113 R)
• M11: 8,186,594 km (0.11 R)
• M12: 8,598,886 km (0.058 R)
• M13: 9,540,006 km (0.089 R)
• M14: 12,685,600 km (0.117 R)
• M15: 17,855,254 km (0.107 R)
• M16: 18,258,420 km (0.031 R)
• M17: 20,179,556 km (0.117 R)
• M18: 21,967,999 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 8.7

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.88 AU - 2.9 AU

Year: 3453 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,126,251 km

• M1: 108,758 km (0.066 R)
• M2: 416,630 km (0.111 R)
• M3: 927,956 km (0.03 R)
• M4: 1,416,991 km (0.115 R)
• M5: 1,807,292 km (0.112 R)
• M6: 3,896,426 km (0.062 R)
• M7: 4,454,875 km (0.105 R)
• M8: 6,483,871 km (0.118 R)
• M9: 7,235,600 km (0.108 R)
• M10: 9,602,687 km (0.116 R)
• M11: 10,287,247 km (0.085 R)
• M12: 10,961,036 km (0.107 R)
• M13: 14,361,545 km (0.109 R)
• M14: 15,095,921 km (0.09 R)
• M15: 18,164,622 km (0.063 R)
• M16: 20,492,365 km (0.07 R)
• M17: 22,242,511 km (0.038 R)
• M18: 23,511,101 km (0.115 R)
• M19: 24,976,412 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 11,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit