🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.2

Radius: 14.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,136,826 km

• M1: 181,612 km (0.116 R)
• M2: 728,990 km (0.089 R)
• M3: 1,556,416 km (0.1 R)
• M4: 2,216,592 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 10.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.44 AU

Year: 982 Days

Day: 14.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,136,826 km

• M1: 132,095 km (0.101 R)
• M2: 589,116 km (0.075 R)
• M3: 1,028,635 km (0.04 R)
• M4: 1,399,338 km (0.062 R)
• M5: 2,038,271 km (0.049 R)
• M6: 3,652,881 km (0.093 R)
• M7: 4,697,822 km (0.102 R)
• M8: 5,139,584 km (0.089 R)
• M9: 7,081,814 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 9.5

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.33 AU - 2.11 AU

Year: 1530 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,136,826 km

• M1: 118,332 km (0.067 R)
• M2: 534,064 km (0.064 R)
• M3: 853,157 km (0.119 R)
• M4: 1,149,959 km (0.101 R)
• M5: 1,508,395 km (0.091 R)
• M6: 1,825,842 km (0.048 R)
• M7: 2,572,485 km (0.051 R)
• M8: 3,445,538 km (0.103 R)
• M9: 4,276,854 km (0.118 R)
• M10: 4,840,538 km (0.108 R)
• M11: 5,998,276 km (0.084 R)
• M12: 6,883,746 km (0.066 R)
• M13: 7,603,312 km (0.083 R)
• M14: 8,669,795 km (0.025 R)
• M15: 9,444,862 km (0.093 R)
• M16: 10,198,087 km (0.112 R)
• M17: 12,505,036 km (0.116 R)
• M18: 13,012,920 km (0.114 R)
• M19: 13,697,779 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 8.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.67 AU - 2.67 AU

Year: 2168 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,136,826 km

• M1: 106,962 km (0.043 R)
• M2: 378,183 km (0.046 R)
• M3: 1,029,084 km (0.062 R)
• M4: 1,405,771 km (0.075 R)
• M5: 2,389,228 km (0.117 R)
• M6: 2,737,043 km (0.073 R)
• M7: 3,211,417 km (0.074 R)
• M8: 3,880,718 km (0.056 R)
• M9: 4,480,456 km (0.118 R)
• M10: 5,723,315 km (0.118 R)
• M11: 6,176,597 km (0.074 R)
• M12: 7,484,381 km (0.097 R)
• M13: 8,443,005 km (0.109 R)
• M14: 8,873,547 km (0.075 R)
• M15: 9,286,437 km (0.096 R)
• M16: 10,744,119 km (0.108 R)
• M17: 11,067,400 km (0.094 R)
• M18: 12,387,452 km (0.115 R)
• M19: 12,663,460 km (0.096 R)
• M20: 13,187,202 km (0.093 R)
• M21: 14,712,951 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 11.2

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.97 AU - 5.53 AU

Year: 8159 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,136,826 km

• M1: 140,173 km (0.035 R)
• M2: 491,279 km (0.075 R)
• M3: 1,049,429 km (0.035 R)
• M4: 2,178,444 km (0.096 R)
• M5: 2,934,213 km (0.115 R)
• M6: 4,543,437 km (0.095 R)
• M7: 5,775,824 km (0.106 R)
• M8: 6,232,546 km (0.055 R)
• M9: 7,139,558 km (0.098 R)
• M10: 7,666,442 km (0.084 R)
• M11: 8,089,206 km (0.082 R)
• M12: 10,699,689 km (0.09 R)
• M13: 11,664,146 km (0.081 R)
• M14: 12,395,829 km (0.06 R)
• M15: 18,178,834 km (0.12 R)
• M16: 19,550,198 km (0.075 R)
• M17: 25,918,579 km (0.111 R)
• M18: 26,970,103 km (0.077 R)
• M19: 29,878,285 km (0.075 R)
• M20: 31,354,367 km (0.071 R)
• M21: 33,997,163 km (0.107 R)
• M22: 44,010,347 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 12.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.02 AU - 6.24 AU

Year: 9061 Days

Day: 5.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,136,826 km

• M1: 155,432 km (0.079 R)
• M2: 972,685 km (0.039 R)
• M3: 1,717,683 km (0.089 R)
• M4: 2,227,512 km (0.104 R)
• M5: 2,774,143 km (0.06 R)
• M6: 3,507,472 km (0.07 R)
• M7: 4,366,463 km (0.091 R)
• M8: 5,947,862 km (0.055 R)
• M9: 9,598,947 km (0.09 R)
• M10: 10,309,537 km (0.059 R)
• M11: 12,474,817 km (0.119 R)
• M12: 13,075,602 km (0.118 R)
• M13: 14,596,713 km (0.115 R)
• M14: 16,660,116 km (0.112 R)
• M15: 17,761,606 km (0.072 R)
• M16: 19,226,019 km (0.095 R)
• M17: 21,273,416 km (0.107 R)
• M18: 22,746,207 km (0.116 R)
• M19: 23,826,154 km (0.031 R)
• M20: 25,894,195 km (0.115 R)
• M21: 29,850,161 km (0.116 R)
• M22: 32,250,907 km (0.11 R)
• M23: 33,498,254 km (0.078 R)
• M24: 34,542,597 km (0.108 R)
• M25: 36,331,189 km (0.109 R)
• M26: 37,805,775 km (0.103 R)
• M27: 42,874,451 km (0.028 R)
• M28: 46,351,554 km (0.11 R)
• M29: 47,647,969 km (0.086 R)
• M30: 49,712,569 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.9

Radius: 3.5

Gravity: 59.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.05 AU - 6.99 AU

Year: 11292 Days

Day: 21.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,136,826 km

• M1: 72,854 km (0.049 R)
• M2: 237,412 km (0.112 R)
• M3: 347,965 km (0.028 R)
• M4: 987,496 km (0.114 R)
• M5: 1,171,950 km (0.088 R)
• M6: 1,298,659 km (0.108 R)
• M7: 1,816,118 km (0.08 R)
• M8: 2,130,274 km (0.102 R)
• M9: 2,667,928 km (0.037 R)
• M10: 3,003,177 km (0.094 R)
• M11: 3,365,653 km (0.094 R)
• M12: 3,783,629 km (0.119 R)
• M13: 5,211,391 km (0.073 R)
• M14: 5,347,376 km (0.076 R)
• M15: 6,760,178 km (0.073 R)
• M16: 9,317,703 km (0.095 R)
• M17: 10,402,737 km (0.117 R)
• M18: 13,509,885 km (0.101 R)
• M19: 13,831,520 km (0.104 R)
• M20: 17,108,760 km (0.095 R)
• M21: 17,637,290 km (0.077 R)
• M22: 19,778,035 km (0.117 R)
• M23: 20,192,571 km (0.094 R)
• M24: 21,997,320 km (0.119 R)
• M25: 22,712,098 km (0.086 R)
• M26: 23,350,283 km (0.086 R)
• M27: 25,142,316 km (0.094 R)
• M28: 26,720,723 km (0.086 R)
• M29: 28,259,487 km (0.098 R)
• M30: 29,964,753 km (0.074 R)
• M31: 32,649,436 km (0.083 R)
• M32: 37,346,660 km (0.103 R)
• M33: 37,599,031 km (0.111 R)
• M34: 38,362,728 km (0.041 R)
• M35: 38,748,541 km (0.089 R)
• M36: 45,134,575 km (0.096 R)
• M37: 45,420,756 km (0.1 R)
• M38: 46,578,045 km (0.095 R)
• M39: 51,872,762 km (0.053 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 15,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit