🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 14.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.63 AU - 0.75 AU

Year: 396 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 14,490,034 km

• M1: 175,478 km (0.118 R)
• M2: 708,346 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 14.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.95 AU - 1.41 AU

Year: 885 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,490,034 km

• M1: 178,171 km (0.115 R)
• M2: 657,782 km (0.091 R)
• M3: 1,304,942 km (0.096 R)
• M4: 2,223,174 km (0.075 R)
• M5: 3,698,807 km (0.072 R)
• M6: 4,430,640 km (0.099 R)
• M7: 6,759,430 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.3

Radius: 13.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.48 AU

Year: 2116 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,490,034 km

• M1: 224,546 km (0.029 R)
• M2: 1,284,148 km (0.027 R)
• M3: 2,255,786 km (0.099 R)
• M4: 2,799,126 km (0.12 R)
• M5: 4,192,032 km (0.081 R)
• M6: 4,634,991 km (0.094 R)
• M7: 5,404,971 km (0.076 R)
• M8: 6,309,889 km (0.057 R)
• M9: 7,457,155 km (0.113 R)
• M10: 7,929,136 km (0.051 R)
• M11: 8,642,867 km (0.083 R)
• M12: 13,640,184 km (0.07 R)
• M13: 14,438,588 km (0.12 R)
• M14: 16,670,588 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.3

Radius: 8.3

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.25 AU - 2.85 AU

Year: 2811 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 14,490,034 km

• M1: 103,223 km (0.034 R)
• M2: 507,735 km (0.108 R)
• M3: 1,151,604 km (0.1 R)
• M4: 2,588,193 km (0.081 R)
• M5: 2,866,445 km (0.094 R)
• M6: 3,428,933 km (0.09 R)
• M7: 5,265,995 km (0.086 R)
• M8: 6,299,267 km (0.096 R)
• M9: 7,039,777 km (0.074 R)
• M10: 7,492,609 km (0.076 R)
• M11: 8,625,215 km (0.042 R)
• M12: 11,347,746 km (0.109 R)
• M13: 13,790,231 km (0.109 R)
• M14: 15,991,115 km (0.084 R)
• M15: 17,802,296 km (0.092 R)
• M16: 18,135,451 km (0.113 R)
• M17: 18,871,771 km (0.088 R)
• M18: 19,393,120 km (0.099 R)
• M19: 19,924,043 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 11

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.86 AU - 5.8 AU

Year: 8494 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 14,490,034 km

• M1: 145,409 km (0.109 R)
• M2: 548,276 km (0.119 R)
• M3: 1,068,278 km (0.06 R)
• M4: 1,757,775 km (0.059 R)
• M5: 2,128,179 km (0.092 R)
• M6: 2,588,941 km (0.092 R)
• M7: 4,303,482 km (0.097 R)
• M8: 6,857,866 km (0.108 R)
• M9: 8,935,182 km (0.091 R)
• M10: 9,525,644 km (0.067 R)
• M11: 11,506,619 km (0.099 R)
• M12: 12,594,046 km (0.114 R)
• M13: 13,220,562 km (0.045 R)
• M14: 13,689,103 km (0.05 R)
• M15: 15,481,584 km (0.086 R)
• M16: 16,267,272 km (0.092 R)
• M17: 17,776,416 km (0.108 R)
• M18: 18,492,391 km (0.036 R)
• M19: 21,954,535 km (0.11 R)
• M20: 22,364,134 km (0.099 R)
• M21: 25,196,620 km (0.089 R)
• M22: 27,212,750 km (0.069 R)
• M23: 29,433,231 km (0.09 R)
• M24: 32,085,602 km (0.081 R)
• M25: 34,122,078 km (0.079 R)
• M26: 36,357,219 km (0.096 R)
• M27: 39,527,198 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.9

Radius: 4.1

Gravity: 29.98 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.42 AU - 6.78 AU

Year: 10399 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 14,490,034 km

• M1: 61,634 km (0.047 R)
• M2: 209,886 km (0.084 R)
• M3: 993,928 km (0.045 R)
• M4: 1,248,843 km (0.096 R)
• M5: 1,573,919 km (0.103 R)
• M6: 1,872,666 km (0.086 R)
• M7: 2,138,053 km (0.097 R)
• M8: 2,334,774 km (0.077 R)
• M9: 2,562,911 km (0.119 R)
• M10: 2,826,801 km (0.106 R)
• M11: 3,130,934 km (0.037 R)
• M12: 3,384,951 km (0.096 R)
• M13: 4,202,354 km (0.072 R)
• M14: 4,425,703 km (0.084 R)
• M15: 4,835,602 km (0.058 R)
• M16: 6,005,307 km (0.097 R)
• M17: 7,391,780 km (0.101 R)
• M18: 10,170,262 km (0.091 R)
• M19: 12,574,748 km (0.109 R)
• M20: 13,038,502 km (0.117 R)
• M21: 13,215,326 km (0.043 R)
• M22: 14,688,117 km (0.113 R)
• M23: 15,137,509 km (0.119 R)
• M24: 16,335,040 km (0.113 R)
• M25: 17,309,072 km (0.105 R)
• M26: 18,691,955 km (0.039 R)
• M27: 19,756,942 km (0.109 R)
• M28: 20,146,794 km (0.051 R)
• M29: 24,066,707 km (0.117 R)
• M30: 25,325,723 km (0.085 R)
• M31: 28,072,040 km (0.04 R)
• M32: 29,063,276 km (0.082 R)
• M33: 32,499,689 km (0.115 R)
• M34: 33,702,755 km (0.107 R)
• M35: 36,429,924 km (0.076 R)
• M36: 42,061,536 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.8

Radius: 4.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.98 AU - 7.56 AU

Year: 12159 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,490,034 km

• M1: 54,603 km (0.111 R)
• M2: 250,576 km (0.113 R)
• M3: 596,297 km (0.06 R)
• M4: 1,386,623 km (0.04 R)
• M5: 2,377,559 km (0.035 R)
• M6: 3,048,655 km (0.118 R)
• M7: 3,187,332 km (0.117 R)
• M8: 3,697,760 km (0.107 R)
• M9: 4,073,251 km (0.109 R)
• M10: 7,528,513 km (0.11 R)
• M11: 7,897,421 km (0.093 R)
• M12: 8,579,587 km (0.107 R)
• M13: 10,128,225 km (0.079 R)
• M14: 14,446,816 km (0.11 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: 195 - 18,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit