🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 10.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 14.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,280,526 km

• M1: 133,142 km (0.073 R)
• M2: 604,076 km (0.114 R)
• M3: 1,119,740 km (0.109 R)
• M4: 1,548,188 km (0.045 R)
• M5: 1,896,003 km (0.037 R)
• M6: 2,271,494 km (0.069 R)
• M7: 2,744,223 km (0.102 R)
• M8: 3,102,061 km (0.119 R)
• M9: 3,582,121 km (0.055 R)
• M10: 4,238,556 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.44 AU - 0.68 AU

Year: 279 Days

Day: 8.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,280,526 km

• M1: 180,415 km (0.12 R)
• M2: 646,263 km (0.082 R)
• M3: 1,340,547 km (0.101 R)
• M4: 1,852,470 km (0.093 R)
• M5: 2,496,489 km (0.075 R)
• M6: 3,000,185 km (0.077 R)
• M7: 4,048,418 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 14.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 932 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,280,526 km

• M1: 176,525 km (0.072 R)
• M2: 959,222 km (0.078 R)
• M3: 1,451,548 km (0.091 R)
• M4: 2,257,432 km (0.077 R)
• M5: 3,628,496 km (0.117 R)
• M6: 4,421,066 km (0.112 R)
• M7: 4,921,620 km (0.034 R)
• M8: 5,537,365 km (0.098 R)
• M9: 6,459,786 km (0.089 R)
• M10: 7,129,984 km (0.094 R)
• M11: 7,723,738 km (0.086 R)
• M12: 8,298,942 km (0.102 R)
• M13: 9,535,368 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.9

Radius: 14.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.98 AU - 2.24 AU

Year: 2044 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,280,526 km

• M1: 185,352 km (0.054 R)
• M2: 648,956 km (0.107 R)
• M3: 1,129,165 km (0.068 R)
• M4: 1,616,555 km (0.118 R)
• M5: 2,283,911 km (0.111 R)
• M6: 3,269,013 km (0.097 R)
• M7: 4,312,159 km (0.077 R)
• M8: 5,195,235 km (0.081 R)
• M9: 6,615,816 km (0.117 R)
• M10: 7,349,145 km (0.069 R)
• M11: 9,615,702 km (0.117 R)
• M12: 11,672,374 km (0.089 R)
• M13: 12,744,991 km (0.102 R)
• M14: 13,674,442 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.1

Radius: 12.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.69 AU - 3.19 AU

Year: 3362 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,280,526 km

• M1: 156,629 km (0.043 R)
• M2: 620,532 km (0.097 R)
• M3: 1,241,513 km (0.1 R)
• M4: 1,901,090 km (0.111 R)
• M5: 2,313,082 km (0.101 R)
• M6: 2,801,071 km (0.092 R)
• M7: 3,540,383 km (0.051 R)
• M8: 5,042,645 km (0.116 R)
• M9: 5,661,980 km (0.074 R)
• M10: 6,415,505 km (0.049 R)
• M11: 7,419,007 km (0.11 R)
• M12: 7,829,354 km (0.101 R)
• M13: 9,441,720 km (0.073 R)
• M14: 10,462,725 km (0.099 R)
• M15: 12,326,117 km (0.031 R)
• M16: 13,130,205 km (0.084 R)
• M17: 15,908,686 km (0.117 R)
• M18: 17,297,703 km (0.099 R)
• M19: 18,535,027 km (0.12 R)
• M20: 19,951,120 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 14.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.28 AU - 6.22 AU

Year: 8022 Days

Day: 7.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,280,526 km

• M1: 185,501 km (0.05 R)
• M2: 808,427 km (0.097 R)
• M3: 1,685,070 km (0.111 R)
• M4: 2,270,896 km (0.107 R)
• M5: 2,909,828 km (0.041 R)
• M6: 3,385,699 km (0.077 R)
• M7: 4,146,105 km (0.11 R)
• M8: 4,638,282 km (0.058 R)
• M9: 5,169,803 km (0.112 R)
• M10: 5,643,729 km (0.112 R)
• M11: 7,090,191 km (0.113 R)
• M12: 8,640,623 km (0.118 R)
• M13: 9,496,024 km (0.075 R)
• M14: 10,016,774 km (0.096 R)
• M15: 12,572,355 km (0.075 R)
• M16: 16,939,116 km (0.101 R)
• M17: 19,766,217 km (0.06 R)
• M18: 25,425,505 km (0.075 R)
• M19: 27,848,541 km (0.064 R)
• M20: 29,017,200 km (0.119 R)
• M21: 35,019,515 km (0.085 R)
• M22: 40,061,263 km (0.095 R)
• M23: 41,299,484 km (0.113 R)
• M24: 42,054,654 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.5

Radius: 3.9

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.77 AU - 6.81 AU

Year: 10520 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,280,526 km

• M1: 49,517 km (0.114 R)
• M2: 210,335 km (0.113 R)
• M3: 542,891 km (0.101 R)
• M4: 1,697,038 km (0.044 R)
• M5: 1,902,885 km (0.114 R)
• M6: 2,187,270 km (0.104 R)
• M7: 3,932,629 km (0.076 R)
• M8: 4,195,173 km (0.116 R)
• M9: 5,192,991 km (0.086 R)
• M10: 6,147,874 km (0.119 R)
• M11: 7,680,504 km (0.027 R)
• M12: 7,865,108 km (0.114 R)
• M13: 8,792,914 km (0.095 R)
• M14: 11,427,183 km (0.059 R)
• M15: 12,461,054 km (0.087 R)
• M16: 13,934,294 km (0.033 R)
• M17: 24,549,759 km (0.099 R)
• M18: 24,950,531 km (0.112 R)
• M19: 26,012,975 km (0.09 R)
• M20: 26,345,831 km (0.08 R)
• M21: 30,105,674 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.5

Radius: 7.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.11 AU - 7.51 AU

Year: 11851 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,280,526 km

• M1: 97,089 km (0.107 R)
• M2: 386,411 km (0.043 R)
• M3: 1,327,681 km (0.09 R)
• M4: 2,395,361 km (0.071 R)
• M5: 3,095,928 km (0.107 R)
• M6: 3,416,217 km (0.04 R)
• M7: 4,868,663 km (0.047 R)
• M8: 6,282,662 km (0.117 R)
• M9: 8,189,436 km (0.088 R)
• M10: 9,058,749 km (0.097 R)
• M11: 9,493,630 km (0.1 R)
• M12: 10,172,057 km (0.109 R)
• M13: 11,983,687 km (0.108 R)
• M14: 13,267,536 km (0.057 R)
• M15: 13,942,821 km (0.071 R)
• M16: 15,118,959 km (0.071 R)
• M17: 16,106,455 km (0.056 R)
• M18: 16,423,602 km (0.109 R)
• M19: 27,184,476 km (0.116 R)
• M20: 28,641,859 km (0.056 R)
• M21: 29,014,058 km (0.052 R)
• M22: 30,535,768 km (0.065 R)
• M23: 32,612,635 km (0.112 R)
• M24: 33,325,469 km (0.043 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 17,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit