🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 10.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.63 AU - 0.65 AU

Year: 347 Days

Day: 7.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,547,628 km

• M1: 129,402 km (0.068 R)
• M2: 456,722 km (0.06 R)
• M3: 796,908 km (0.03 R)
• M4: 1,193,342 km (0.031 R)
• M5: 1,654,702 km (0.114 R)
• M6: 2,031,240 km (0.115 R)
• M7: 2,465,223 km (0.101 R)
• M8: 3,242,384 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 12.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.65 AU - 0.81 AU

Year: 423 Days

Day: 8.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,547,628 km

• M1: 160,519 km (0.102 R)
• M2: 562,189 km (0.116 R)
• M3: 1,064,838 km (0.104 R)
• M4: 1,485,806 km (0.049 R)
• M5: 2,027,350 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 14.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.83 AU - 0.89 AU

Year: 541 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,547,628 km

• M1: 175,478 km (0.045 R)
• M2: 782,696 km (0.114 R)
• M3: 1,355,357 km (0.089 R)
• M4: 2,170,815 km (0.083 R)
• M5: 2,644,442 km (0.062 R)
• M6: 3,455,561 km (0.093 R)
• M7: 4,456,969 km (0.077 R)
• M8: 6,436,299 km (0.116 R)
• M9: 6,930,421 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.3

Radius: 12.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.87 AU - 0.97 AU

Year: 599 Days

Day: 11.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,547,628 km

• M1: 156,779 km (0.061 R)
• M2: 553,512 km (0.074 R)
• M3: 1,061,397 km (0.087 R)
• M4: 1,849,478 km (0.067 R)
• M5: 2,374,717 km (0.083 R)
• M6: 5,137,041 km (0.083 R)
• M7: 5,671,405 km (0.117 R)
• M8: 6,338,462 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.3

Radius: 11.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,547,628 km

• M1: 139,276 km (0.115 R)
• M2: 507,586 km (0.045 R)
• M3: 1,357,750 km (0.079 R)
• M4: 1,720,525 km (0.093 R)
• M5: 2,082,103 km (0.107 R)
• M6: 2,603,901 km (0.109 R)
• M7: 3,160,704 km (0.116 R)
• M8: 3,710,027 km (0.12 R)
• M9: 4,228,533 km (0.114 R)
• M10: 4,896,937 km (0.115 R)
• M11: 6,000,819 km (0.073 R)
• M12: 6,403,686 km (0.082 R)
• M13: 7,063,563 km (0.116 R)
• M14: 7,490,216 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 14.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.63 AU - 3.33 AU

Year: 3489 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,547,628 km

• M1: 179,069 km (0.089 R)
• M2: 809,324 km (0.096 R)
• M3: 1,445,115 km (0.091 R)
• M4: 2,085,993 km (0.108 R)
• M5: 2,589,240 km (0.097 R)
• M6: 3,050,301 km (0.114 R)
• M7: 4,120,075 km (0.111 R)
• M8: 5,196,132 km (0.11 R)
• M9: 5,773,431 km (0.09 R)
• M10: 6,570,189 km (0.115 R)
• M11: 7,701,149 km (0.03 R)
• M12: 8,209,183 km (0.108 R)
• M13: 9,330,718 km (0.114 R)
• M14: 11,222,832 km (0.051 R)
• M15: 11,788,761 km (0.083 R)
• M16: 12,327,912 km (0.119 R)
• M17: 12,836,694 km (0.068 R)
• M18: 13,699,425 km (0.048 R)
• M19: 14,961,433 km (0.072 R)
• M20: 15,917,064 km (0.118 R)
• M21: 21,317,098 km (0.101 R)
• M22: 22,051,325 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.6

Radius: 4

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.41 AU - 7.09 AU

Year: 10598 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 44,547,628 km

• M1: 52,210 km (0.093 R)
• M2: 179,817 km (0.094 R)
• M3: 313,557 km (0.109 R)
• M4: 761,902 km (0.066 R)
• M5: 1,090,718 km (0.057 R)
• M6: 2,648,929 km (0.091 R)
• M7: 2,813,038 km (0.082 R)
• M8: 3,370,141 km (0.081 R)
• M9: 3,840,327 km (0.083 R)
• M10: 3,970,926 km (0.032 R)
• M11: 4,296,750 km (0.083 R)
• M12: 4,758,708 km (0.1 R)
• M13: 5,679,034 km (0.045 R)
• M14: 6,092,373 km (0.079 R)
• M15: 6,342,651 km (0.09 R)
• M16: 6,525,609 km (0.116 R)
• M17: 7,534,198 km (0.061 R)
• M18: 7,864,210 km (0.094 R)
• M19: 9,517,865 km (0.077 R)
• M20: 11,282,671 km (0.074 R)
• M21: 15,509,559 km (0.09 R)
• M22: 16,936,873 km (0.097 R)
• M23: 17,077,195 km (0.043 R)
• M24: 18,008,292 km (0.108 R)
• M25: 19,893,226 km (0.109 R)
• M26: 20,206,633 km (0.108 R)
• M27: 21,166,304 km (0.08 R)
• M28: 25,035,952 km (0.102 R)
• M29: 25,218,162 km (0.059 R)
• M30: 25,401,270 km (0.08 R)
• M31: 26,707,409 km (0.091 R)
• M32: 28,155,815 km (0.118 R)
• M33: 29,757,709 km (0.104 R)
• M34: 30,685,066 km (0.119 R)
• M35: 36,539,130 km (0.099 R)
• M36: 38,321,739 km (0.097 R)
• M37: 38,928,508 km (0.094 R)
• M38: 40,913,522 km (0.119 R)
• M39: 41,802,731 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 10,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit