🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 9.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 257 Days

Day: 11 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,127,085 km

• M1: 119,379 km (0.104 R)
• M2: 445,054 km (0.116 R)
• M3: 776,712 km (0.11 R)
• M4: 1,201,720 km (0.093 R)
• M5: 1,760,169 km (0.118 R)
• M6: 2,082,103 km (0.051 R)
• M7: 2,483,773 km (0.112 R)
• M8: 3,000,484 km (0.114 R)
• M9: 3,353,835 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 8.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.06 AU - 2.2 AU

Year: 2073 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,127,085 km

• M1: 113,844 km (0.098 R)
• M2: 567,724 km (0.052 R)
• M3: 872,904 km (0.074 R)
• M4: 1,704,518 km (0.077 R)
• M5: 2,066,994 km (0.046 R)
• M6: 3,326,907 km (0.109 R)
• M7: 4,997,616 km (0.053 R)
• M8: 6,802,066 km (0.053 R)
• M9: 7,903,106 km (0.093 R)
• M10: 8,691,187 km (0.102 R)
• M11: 9,650,409 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 11.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.11 AU - 3.53 AU

Year: 4034 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,127,085 km

• M1: 147,204 km (0.083 R)
• M2: 584,329 km (0.094 R)
• M3: 1,181,075 km (0.082 R)
• M4: 1,623,735 km (0.056 R)
• M5: 2,206,120 km (0.102 R)
• M6: 2,924,489 km (0.086 R)
• M7: 3,368,196 km (0.092 R)
• M8: 4,185,898 km (0.11 R)
• M9: 4,557,798 km (0.094 R)
• M10: 7,782,829 km (0.117 R)
• M11: 10,127,776 km (0.087 R)
• M12: 10,888,780 km (0.108 R)
• M13: 11,283,270 km (0.1 R)
• M14: 12,241,295 km (0.087 R)
• M15: 15,277,683 km (0.098 R)
• M16: 15,661,850 km (0.027 R)
• M17: 19,737,793 km (0.065 R)
• M18: 22,651,661 km (0.12 R)
• M19: 23,151,766 km (0.117 R)
• M20: 24,396,870 km (0.089 R)
• M21: 26,152,101 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 10.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.98 AU - 4.9 AU

Year: 5215 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,127,085 km

• M1: 134,339 km (0.111 R)
• M2: 525,089 km (0.112 R)
• M3: 917,334 km (0.085 R)
• M4: 1,348,475 km (0.105 R)
• M5: 1,990,549 km (0.06 R)
• M6: 2,793,591 km (0.108 R)
• M7: 3,600,821 km (0.102 R)
• M8: 4,112,894 km (0.115 R)
• M9: 5,411,703 km (0.118 R)
• M10: 5,891,164 km (0.028 R)
• M11: 8,691,935 km (0.083 R)
• M12: 9,616,002 km (0.081 R)
• M13: 9,964,265 km (0.06 R)
• M14: 10,320,907 km (0.099 R)
• M15: 10,686,225 km (0.113 R)
• M16: 11,144,293 km (0.11 R)
• M17: 12,144,654 km (0.109 R)
• M18: 14,373,513 km (0.1 R)
• M19: 17,143,018 km (0.08 R)
• M20: 18,893,164 km (0.092 R)
• M21: 20,503,735 km (0.098 R)
• M22: 23,157,451 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.3

Radius: 14.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.79 AU - 4.47 AU

Year: 5597 Days

Day: 14.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,127,085 km

• M1: 184,454 km (0.063 R)
• M2: 701,464 km (0.06 R)
• M3: 1,251,835 km (0.111 R)
• M4: 2,082,552 km (0.08 R)
• M5: 2,743,625 km (0.097 R)
• M6: 3,221,291 km (0.116 R)
• M7: 3,690,430 km (0.106 R)
• M8: 4,158,821 km (0.036 R)
• M9: 5,136,144 km (0.079 R)
• M10: 5,665,271 km (0.108 R)
• M11: 6,417,150 km (0.072 R)
• M12: 7,545,866 km (0.095 R)
• M13: 8,306,871 km (0.071 R)
• M14: 9,898,143 km (0.105 R)
• M15: 11,590,544 km (0.039 R)
• M16: 12,407,199 km (0.039 R)
• M17: 13,365,223 km (0.115 R)
• M18: 16,358,078 km (0.11 R)
• M19: 17,079,589 km (0.046 R)
• M20: 17,759,362 km (0.117 R)
• M21: 20,800,088 km (0.028 R)

Asteroid Belt

Center: 4.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 10.5

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.54 AU - 5.04 AU

Year: 6991 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,127,085 km

• M1: 130,599 km (0.092 R)
• M2: 921,822 km (0.102 R)
• M3: 1,277,865 km (0.046 R)
• M4: 1,672,504 km (0.091 R)
• M5: 3,032,349 km (0.112 R)
• M6: 3,793,652 km (0.044 R)
• M7: 5,598,401 km (0.065 R)
• M8: 5,985,860 km (0.104 R)
• M9: 7,181,745 km (0.112 R)
• M10: 7,523,427 km (0.109 R)
• M11: 7,876,029 km (0.085 R)
• M12: 9,353,756 km (0.085 R)
• M13: 9,854,311 km (0.098 R)
• M14: 11,412,522 km (0.111 R)
• M15: 17,133,893 km (0.076 R)
• M16: 20,041,028 km (0.046 R)
• M17: 20,796,946 km (0.101 R)
• M18: 23,928,179 km (0.095 R)
• M19: 25,915,138 km (0.109 R)
• M20: 27,452,705 km (0.112 R)
• M21: 28,763,931 km (0.1 R)
• M22: 30,709,002 km (0.106 R)
• M23: 31,612,274 km (0.089 R)
• M24: 33,366,608 km (0.115 R)
• M25: 35,184,821 km (0.068 R)
• M26: 35,952,407 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.9

Radius: 11.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.69 AU - 5.75 AU

Year: 7953 Days

Day: 6.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,127,085 km

• M1: 141,819 km (0.032 R)
• M2: 490,083 km (0.102 R)
• M3: 1,286,990 km (0.082 R)
• M4: 1,708,108 km (0.032 R)
• M5: 2,711,162 km (0.1 R)
• M6: 3,560,429 km (0.11 R)
• M7: 4,553,460 km (0.115 R)
• M8: 5,547,987 km (0.095 R)
• M9: 6,050,935 km (0.072 R)
• M10: 6,714,252 km (0.099 R)
• M11: 7,114,725 km (0.1 R)
• M12: 8,298,942 km (0.097 R)
• M13: 8,799,945 km (0.096 R)
• M14: 9,158,531 km (0.057 R)
• M15: 9,820,203 km (0.046 R)
• M16: 11,146,687 km (0.096 R)
• M17: 12,046,369 km (0.12 R)
• M18: 13,303,140 km (0.111 R)
• M19: 17,472,583 km (0.068 R)
• M20: 18,816,719 km (0.098 R)
• M21: 27,763,121 km (0.049 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: 345 - 19,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit