🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.7

Radius: 13.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.95 AU - 1.09 AU

Year: 687 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,727,484 km

• M1: 172,935 km (0.063 R)
• M2: 1,013,226 km (0.099 R)
• M3: 1,679,236 km (0.099 R)
• M4: 2,312,783 km (0.076 R)
• M5: 3,808,911 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.4

Radius: 9.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.9 AU - 1.16 AU

Year: 697 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,727,484 km

• M1: 148,401 km (0.042 R)
• M2: 520,601 km (0.098 R)
• M3: 1,080,097 km (0.109 R)
• M4: 1,871,320 km (0.089 R)
• M5: 2,773,694 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.6

Radius: 11.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.95 AU - 1.29 AU

Year: 790 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,727,484 km

• M1: 146,905 km (0.059 R)
• M2: 518,207 km (0.073 R)
• M3: 896,241 km (0.091 R)
• M4: 1,538,315 km (0.108 R)
• M5: 1,987,707 km (0.095 R)
• M6: 2,395,062 km (0.1 R)
• M7: 4,423,011 km (0.117 R)
• M8: 4,877,788 km (0.103 R)
• M9: 5,457,181 km (0.119 R)
• M10: 6,041,809 km (0.111 R)
• M11: 6,475,493 km (0.084 R)
• M12: 7,336,280 km (0.098 R)
• M13: 7,878,871 km (0.107 R)
• M14: 8,247,031 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 8.6

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.2 AU - 1.28 AU

Year: 921 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,727,484 km

• M1: 106,962 km (0.102 R)
• M2: 447,148 km (0.055 R)
• M3: 965,804 km (0.042 R)
• M4: 1,255,126 km (0.085 R)
• M5: 1,552,078 km (0.036 R)
• M6: 1,828,984 km (0.102 R)
• M7: 2,160,492 km (0.109 R)
• M8: 3,176,262 km (0.11 R)
• M9: 3,643,157 km (0.103 R)
• M10: 4,022,986 km (0.11 R)
• M11: 4,342,078 km (0.08 R)
• M12: 4,751,079 km (0.118 R)
• M13: 5,791,981 km (0.114 R)
• M14: 6,288,346 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 11.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.58 AU - 3.78 AU

Year: 4708 Days

Day: 12 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,727,484 km

• M1: 143,016 km (0.112 R)
• M2: 685,009 km (0.114 R)
• M3: 1,564,195 km (0.026 R)
• M4: 1,953,150 km (0.092 R)
• M5: 2,652,370 km (0.085 R)
• M6: 3,870,995 km (0.084 R)
• M7: 5,302,197 km (0.072 R)
• M8: 5,669,460 km (0.105 R)
• M9: 6,543,411 km (0.119 R)
• M10: 7,570,251 km (0.104 R)
• M11: 8,347,412 km (0.07 R)
• M12: 9,981,320 km (0.105 R)
• M13: 10,915,857 km (0.1 R)
• M14: 12,864,669 km (0.115 R)
• M15: 14,572,927 km (0.043 R)
• M16: 16,649,196 km (0.055 R)
• M17: 18,614,014 km (0.072 R)
• M18: 21,314,705 km (0.057 R)
• M19: 21,911,301 km (0.104 R)
• M20: 22,724,216 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 13.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.16 AU - 4.5 AU

Year: 4998 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,727,484 km

• M1: 167,998 km (0.062 R)
• M2: 952,789 km (0.115 R)
• M3: 1,386,323 km (0.054 R)
• M4: 1,832,125 km (0.055 R)
• M5: 2,331,782 km (0.112 R)
• M6: 3,515,400 km (0.11 R)
• M7: 4,209,385 km (0.098 R)
• M8: 4,682,563 km (0.119 R)
• M9: 5,683,074 km (0.113 R)
• M10: 6,177,644 km (0.115 R)
• M11: 6,701,087 km (0.119 R)
• M12: 7,903,854 km (0.109 R)
• M13: 8,878,783 km (0.077 R)
• M14: 10,049,985 km (0.074 R)
• M15: 10,693,555 km (0.092 R)
• M16: 11,236,595 km (0.079 R)
• M17: 12,560,387 km (0.092 R)
• M18: 13,260,056 km (0.109 R)
• M19: 15,888,640 km (0.057 R)
• M20: 17,842,688 km (0.084 R)
• M21: 21,557,502 km (0.107 R)
• M22: 23,040,017 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.1

Radius: 5.5

Gravity: 27.57 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.38 AU - 8 AU

Year: 14221 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,727,484 km

• M1: 71,358 km (0.12 R)
• M2: 414,984 km (0.041 R)
• M3: 601,383 km (0.091 R)
• M4: 1,244,654 km (0.028 R)
• M5: 1,487,751 km (0.073 R)
• M6: 1,814,173 km (0.058 R)
• M7: 2,108,732 km (0.106 R)
• M8: 3,060,024 km (0.102 R)
• M9: 4,459,812 km (0.109 R)
• M10: 5,281,254 km (0.069 R)
• M11: 8,006,179 km (0.071 R)
• M12: 10,363,392 km (0.108 R)
• M13: 11,181,992 km (0.108 R)
• M14: 12,880,975 km (0.062 R)
• M15: 16,390,691 km (0.085 R)
• M16: 16,624,213 km (0.102 R)
• M17: 20,851,101 km (0.066 R)
• M18: 23,901,850 km (0.119 R)
• M19: 27,895,665 km (0.117 R)
• M20: 30,166,261 km (0.109 R)
• M21: 31,346,439 km (0.055 R)
• M22: 35,459,183 km (0.081 R)
• M23: 45,191,722 km (0.092 R)
• M24: 52,245,411 km (0.086 R)
• M25: 56,032,331 km (0.068 R)
• M26: 60,738,979 km (0.108 R)
• M27: 61,298,326 km (0.109 R)
• M28: 62,049,606 km (0.093 R)
• M29: 64,147,268 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 13,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit