🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.7

Radius: 11.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.58 AU - 0.84 AU

Year: 413 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,847,161 km

• M1: 147,055 km (0.103 R)
• M2: 685,308 km (0.09 R)
• M3: 1,550,432 km (0.119 R)
• M4: 2,050,388 km (0.104 R)
• M5: 2,460,735 km (0.104 R)
• M6: 2,828,597 km (0.114 R)
• M7: 3,204,536 km (0.087 R)
• M8: 3,572,696 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.2

Radius: 9.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.61 AU - 0.95 AU

Year: 476 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,847,161 km

• M1: 123,119 km (0.075 R)
• M2: 575,802 km (0.116 R)
• M3: 1,139,936 km (0.03 R)
• M4: 3,394,226 km (0.104 R)
• M5: 3,744,435 km (0.077 R)
• M6: 4,270,271 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 9.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.58 AU - 1.86 AU

Year: 1557 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 122.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,847,161 km

• M1: 137,032 km (0.114 R)
• M2: 477,965 km (0.117 R)
• M3: 1,341,594 km (0.116 R)
• M4: 2,546,754 km (0.097 R)
• M5: 2,938,102 km (0.05 R)
• M6: 4,996,718 km (0.085 R)
• M7: 5,402,129 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 12.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.58 AU - 1.98 AU

Year: 1639 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,847,161 km

• M1: 151,842 km (0.049 R)
• M2: 563,086 km (0.107 R)
• M3: 1,181,225 km (0.092 R)
• M4: 1,711,998 km (0.092 R)
• M5: 2,108,732 km (0.065 R)
• M6: 2,692,462 km (0.093 R)
• M7: 3,352,339 km (0.108 R)
• M8: 4,841,436 km (0.113 R)
• M9: 5,798,413 km (0.065 R)
• M10: 6,566,449 km (0.066 R)
• M11: 7,659,561 km (0.116 R)
• M12: 8,669,795 km (0.104 R)
• M13: 9,491,536 km (0.045 R)
• M14: 11,020,576 km (0.11 R)
• M15: 11,634,376 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 14.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.57 AU - 2.51 AU

Year: 2011 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,847,161 km

• M1: 184,155 km (0.045 R)
• M2: 740,659 km (0.118 R)
• M3: 1,617,901 km (0.099 R)
• M4: 2,170,216 km (0.078 R)
• M5: 2,929,725 km (0.072 R)
• M6: 3,572,248 km (0.048 R)
• M7: 4,063,377 km (0.09 R)
• M8: 4,618,535 km (0.1 R)
• M9: 6,406,678 km (0.051 R)
• M10: 7,470,469 km (0.054 R)
• M11: 8,031,461 km (0.107 R)
• M12: 8,793,961 km (0.098 R)
• M13: 9,604,482 km (0.041 R)
• M14: 10,728,710 km (0.104 R)
• M15: 12,521,641 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 10.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.78 AU - 2.62 AU

Year: 2252 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,847,161 km

• M1: 128,355 km (0.094 R)
• M2: 1,214,884 km (0.065 R)
• M3: 1,650,813 km (0.105 R)
• M4: 2,416,903 km (0.103 R)
• M5: 2,806,157 km (0.108 R)
• M6: 3,182,695 km (0.102 R)
• M7: 3,834,193 km (0.116 R)
• M8: 4,572,309 km (0.101 R)
• M9: 6,395,608 km (0.073 R)
• M10: 6,889,580 km (0.1 R)
• M11: 7,433,069 km (0.09 R)
• M12: 8,107,307 km (0.096 R)
• M13: 8,849,163 km (0.111 R)
• M14: 9,293,020 km (0.071 R)
• M15: 9,722,515 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 13.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.15 AU - 2.91 AU

Year: 2778 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 180 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,847,161 km

• M1: 166,054 km (0.082 R)
• M2: 598,092 km (0.108 R)
• M3: 1,154,297 km (0.039 R)
• M4: 1,647,970 km (0.079 R)
• M5: 2,260,723 km (0.115 R)
• M6: 3,022,775 km (0.054 R)
• M7: 3,518,243 km (0.106 R)
• M8: 5,361,737 km (0.072 R)
• M9: 5,827,435 km (0.113 R)
• M10: 6,840,811 km (0.115 R)
• M11: 7,338,673 km (0.096 R)
• M12: 8,076,639 km (0.097 R)
• M13: 8,921,568 km (0.108 R)
• M14: 10,298,467 km (0.078 R)
• M15: 11,742,535 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.6

Radius: 11

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.54 AU - 5.14 AU

Year: 7350 Days

Day: 7.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,847,161 km

• M1: 136,732 km (0.105 R)
• M2: 514,467 km (0.088 R)
• M3: 970,890 km (0.118 R)
• M4: 1,324,540 km (0.093 R)
• M5: 1,894,956 km (0.062 R)
• M6: 2,339,262 km (0.077 R)
• M7: 2,813,637 km (0.078 R)
• M8: 3,286,216 km (0.077 R)
• M9: 4,525,784 km (0.099 R)
• M10: 5,635,352 km (0.1 R)
• M11: 6,054,076 km (0.09 R)
• M12: 6,562,859 km (0.107 R)
• M13: 6,990,409 km (0.082 R)
• M14: 9,280,902 km (0.07 R)
• M15: 12,137,623 km (0.025 R)
• M16: 12,728,684 km (0.117 R)
• M17: 13,622,382 km (0.09 R)
• M18: 17,015,711 km (0.098 R)
• M19: 18,659,193 km (0.083 R)
• M20: 20,707,337 km (0.109 R)
• M21: 21,864,178 km (0.092 R)
• M22: 22,338,702 km (0.067 R)
• M23: 25,418,922 km (0.077 R)
• M24: 25,768,084 km (0.067 R)
• M25: 26,386,820 km (0.093 R)
• M26: 30,504,801 km (0.11 R)
• M27: 31,798,972 km (0.084 R)
• M28: 38,021,944 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.9

Radius: 4.9

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.55 AU - 8.35 AU

Year: 12647 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,847,161 km

• M1: 61,036 km (0.112 R)
• M2: 548,276 km (0.111 R)
• M3: 753,824 km (0.097 R)
• M4: 1,489,396 km (0.044 R)
• M5: 2,057,120 km (0.095 R)
• M6: 3,959,856 km (0.057 R)
• M7: 5,219,021 km (0.057 R)
• M8: 5,636,997 km (0.053 R)
• M9: 6,323,203 km (0.044 R)
• M10: 8,938,024 km (0.101 R)
• M11: 9,535,667 km (0.048 R)
• M12: 11,756,897 km (0.035 R)
• M13: 12,929,445 km (0.102 R)
• M14: 14,300,659 km (0.075 R)
• M15: 15,634,922 km (0.111 R)
• M16: 22,297,712 km (0.044 R)
• M17: 23,824,957 km (0.072 R)
• M18: 31,565,001 km (0.105 R)
• M19: 34,587,476 km (0.088 R)
• M20: 37,915,431 km (0.108 R)
• M21: 38,271,474 km (0.104 R)
• M22: 39,231,593 km (0.034 R)
• M23: 39,962,229 km (0.068 R)
• M24: 40,950,472 km (0.094 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: 409 - 18,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit