🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.7

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.92 AU - 1.04 AU

Year: 626 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 141.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,308,896 km

• M1: 186,549 km (0.076 R)
• M2: 664,514 km (0.097 R)
• M3: 1,612,964 km (0.107 R)
• M4: 2,180,987 km (0.115 R)
• M5: 2,663,590 km (0.075 R)
• M6: 4,037,647 km (0.093 R)
• M7: 4,623,621 km (0.09 R)
• M8: 5,168,606 km (0.094 R)
• M9: 5,687,113 km (0.097 R)
• M10: 6,407,576 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 13.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.81 AU - 1.25 AU

Year: 675 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,308,896 km

• M1: 176,825 km (0.049 R)
• M2: 609,462 km (0.112 R)
• M3: 1,075,309 km (0.104 R)
• M4: 1,684,771 km (0.102 R)
• M5: 2,436,351 km (0.12 R)
• M6: 3,133,327 km (0.065 R)
• M7: 3,605,009 km (0.079 R)
• M8: 4,450,088 km (0.073 R)
• M9: 5,515,225 km (0.101 R)
• M10: 6,228,208 km (0.119 R)
• M11: 6,807,900 km (0.117 R)
• M12: 7,744,981 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 13.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.42 AU - 2.2 AU

Year: 1572 Days

Day: 6.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,308,896 km

• M1: 172,935 km (0.085 R)
• M2: 682,017 km (0.116 R)
• M3: 1,158,636 km (0.034 R)
• M4: 1,760,318 km (0.106 R)
• M5: 2,517,882 km (0.029 R)
• M6: 3,057,032 km (0.105 R)
• M7: 3,689,233 km (0.047 R)
• M8: 4,389,501 km (0.096 R)
• M9: 5,016,316 km (0.086 R)
• M10: 5,637,446 km (0.079 R)
• M11: 6,263,064 km (0.085 R)
• M12: 6,909,926 km (0.115 R)
• M13: 7,922,853 km (0.12 R)
• M14: 9,032,420 km (0.084 R)
• M15: 9,578,452 km (0.043 R)
• M16: 10,406,028 km (0.119 R)
• M17: 12,350,501 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 9.2

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.68 AU - 2.78 AU

Year: 2150 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,308,896 km

• M1: 114,442 km (0.119 R)
• M2: 410,796 km (0.068 R)
• M3: 944,411 km (0.086 R)
• M4: 1,244,355 km (0.077 R)
• M5: 2,250,550 km (0.106 R)
• M6: 2,630,828 km (0.102 R)
• M7: 2,939,897 km (0.035 R)
• M8: 3,325,411 km (0.104 R)
• M9: 3,613,387 km (0.117 R)
• M10: 4,689,145 km (0.056 R)
• M11: 5,410,207 km (0.101 R)
• M12: 6,558,221 km (0.076 R)
• M13: 7,013,597 km (0.081 R)
• M14: 7,520,285 km (0.074 R)
• M15: 7,861,219 km (0.079 R)
• M16: 8,945,953 km (0.086 R)
• M17: 9,328,923 km (0.081 R)
• M18: 12,710,733 km (0.067 R)
• M19: 14,107,528 km (0.115 R)
• M20: 15,553,990 km (0.117 R)
• M21: 16,519,644 km (0.079 R)
• M22: 18,125,278 km (0.102 R)
• M23: 18,739,228 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.3

Radius: 8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.51 AU - 3.09 AU

Year: 3025 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,308,896 km

• M1: 99,632 km (0.096 R)
• M2: 365,468 km (0.078 R)
• M3: 1,004,998 km (0.09 R)
• M4: 1,593,068 km (0.073 R)
• M5: 3,329,450 km (0.075 R)
• M6: 3,602,466 km (0.074 R)
• M7: 3,870,845 km (0.106 R)
• M8: 4,193,976 km (0.12 R)
• M9: 4,734,922 km (0.104 R)
• M10: 7,132,976 km (0.057 R)
• M11: 7,619,917 km (0.106 R)
• M12: 8,694,329 km (0.082 R)
• M13: 9,609,419 km (0.108 R)
• M14: 10,279,618 km (0.099 R)
• M15: 17,559,349 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237

Radius: 5.1

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.73 AU - 7.29 AU

Year: 11984 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,308,896 km

• M1: 64,028 km (0.078 R)
• M2: 394,789 km (0.097 R)
• M3: 768,783 km (0.071 R)
• M4: 1,526,945 km (0.048 R)
• M5: 1,846,487 km (0.072 R)
• M6: 2,637,560 km (0.114 R)
• M7: 3,076,779 km (0.06 R)
• M8: 3,270,060 km (0.051 R)
• M9: 8,373,591 km (0.117 R)
• M10: 10,045,647 km (0.114 R)
• M11: 10,861,105 km (0.051 R)
• M12: 14,033,926 km (0.08 R)
• M13: 16,117,076 km (0.051 R)
• M14: 16,439,908 km (0.062 R)
• M15: 17,501,754 km (0.117 R)
• M16: 17,911,652 km (0.078 R)
• M17: 18,750,298 km (0.082 R)
• M18: 19,687,977 km (0.12 R)
• M19: 21,268,329 km (0.095 R)
• M20: 22,769,245 km (0.069 R)
• M21: 24,086,753 km (0.063 R)
• M22: 24,593,740 km (0.091 R)
• M23: 25,980,363 km (0.03 R)
• M24: 26,157,188 km (0.118 R)
• M25: 26,692,748 km (0.051 R)
• M26: 33,178,713 km (0.084 R)
• M27: 34,122,826 km (0.087 R)
• M28: 36,395,068 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.2

Radius: 3.9

Gravity: 62.67 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.37 AU - 9.35 AU

Year: 17028 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,308,896 km

• M1: 50,564 km (0.06 R)
• M2: 201,060 km (0.098 R)
• M3: 457,171 km (0.115 R)
• M4: 1,549,535 km (0.078 R)
• M5: 1,776,924 km (0.081 R)
• M6: 2,006,257 km (0.093 R)
• M7: 2,715,052 km (0.078 R)
• M8: 3,346,205 km (0.089 R)
• M9: 4,572,160 km (0.097 R)
• M10: 4,856,396 km (0.032 R)
• M11: 5,578,205 km (0.086 R)
• M12: 6,196,793 km (0.078 R)
• M13: 6,544,608 km (0.067 R)
• M14: 9,987,004 km (0.115 R)
• M15: 10,164,577 km (0.085 R)
• M16: 10,833,279 km (0.095 R)
• M17: 12,529,869 km (0.081 R)
• M18: 13,949,553 km (0.085 R)
• M19: 16,769,024 km (0.083 R)
• M20: 19,852,834 km (0.105 R)
• M21: 21,380,528 km (0.114 R)
• M22: 21,774,419 km (0.05 R)
• M23: 24,560,081 km (0.084 R)
• M24: 25,871,007 km (0.075 R)
• M25: 28,750,467 km (0.058 R)
• M26: 40,276,983 km (0.094 R)
• M27: 44,127,782 km (0.1 R)
• M28: 48,554,383 km (0.109 R)
• M29: 53,448,028 km (0.058 R)
• M30: 57,705,733 km (0.07 R)
• M31: 61,984,681 km (0.077 R)
• M32: 62,784,581 km (0.12 R)
• M33: 73,596,318 km (0.111 R)
• M34: 74,268,312 km (0.119 R)
• M35: 75,170,686 km (0.107 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: 433 - 16,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit