🌌 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: 10.3

Radius: 9.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.66 AU - 0.72 AU

Year: 396 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 50,085,712 km

• M1: 118,182 km (0.034 R)
• M2: 479,162 km (0.109 R)

Asteroid Belt

Center: 1.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 9.8

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.24 AU - 1.84 AU

Year: 1319 Days

Day: 12.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,085,712 km

• M1: 139,724 km (0.076 R)
• M2: 491,579 km (0.12 R)
• M3: 805,585 km (0.115 R)
• M4: 1,332,468 km (0.074 R)
• M5: 1,660,985 km (0.112 R)
• M6: 1,989,053 km (0.048 R)
• M7: 2,616,467 km (0.115 R)
• M8: 3,613,237 km (0.065 R)
• M9: 4,225,990 km (0.11 R)
• M10: 4,927,155 km (0.085 R)
• M11: 5,636,100 km (0.068 R)
• M12: 6,386,931 km (0.091 R)
• M13: 6,941,042 km (0.117 R)
• M14: 7,336,878 km (0.053 R)
• M15: 8,705,998 km (0.084 R)
• M16: 10,238,179 km (0.115 R)
• M17: 10,647,778 km (0.087 R)
• M18: 12,823,081 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.3

Radius: 11.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.72 AU - 2.2 AU

Year: 1894 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,085,712 km

• M1: 138,228 km (0.09 R)
• M2: 488,437 km (0.109 R)
• M3: 892,950 km (0.107 R)
• M4: 1,475,185 km (0.093 R)
• M5: 1,874,910 km (0.12 R)
• M6: 2,239,779 km (0.097 R)
• M7: 3,297,287 km (0.118 R)
• M8: 3,938,314 km (0.096 R)
• M9: 4,563,333 km (0.093 R)
• M10: 5,064,337 km (0.103 R)
• M11: 5,447,457 km (0.077 R)
• M12: 6,176,746 km (0.079 R)
• M13: 7,391,332 km (0.102 R)
• M14: 8,849,462 km (0.112 R)
• M15: 9,312,767 km (0.116 R)
• M16: 9,792,078 km (0.11 R)
• M17: 10,975,098 km (0.041 R)
• M18: 12,632,942 km (0.11 R)
• M19: 13,786,341 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 9.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.76 AU - 2.94 AU

Year: 3321 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,085,712 km

• M1: 123,119 km (0.091 R)
• M2: 519,703 km (0.114 R)
• M3: 1,014,573 km (0.097 R)
• M4: 1,609,972 km (0.114 R)
• M5: 5,273,475 km (0.102 R)
• M6: 9,725,358 km (0.099 R)
• M7: 11,475,503 km (0.115 R)
• M8: 12,403,608 km (0.109 R)
• M9: 14,265,354 km (0.103 R)
• M10: 17,642,675 km (0.077 R)
• M11: 19,166,030 km (0.117 R)
• M12: 19,633,823 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 11

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.46 AU - 3.64 AU

Year: 3677 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,085,712 km

• M1: 136,882 km (0.088 R)
• M2: 488,587 km (0.07 R)
• M3: 871,557 km (0.103 R)
• M4: 1,691,952 km (0.043 R)
• M5: 2,035,429 km (0.104 R)
• M6: 2,593,279 km (0.107 R)
• M7: 3,342,914 km (0.041 R)
• M8: 4,363,770 km (0.113 R)
• M9: 4,754,819 km (0.034 R)
• M10: 5,119,090 km (0.101 R)
• M11: 6,042,856 km (0.085 R)
• M12: 6,950,766 km (0.11 R)
• M13: 9,258,313 km (0.062 R)
• M14: 11,167,481 km (0.111 R)
• M15: 11,683,145 km (0.089 R)
• M16: 12,124,907 km (0.097 R)
• M17: 17,234,123 km (0.077 R)
• M18: 18,452,149 km (0.085 R)
• M19: 19,913,421 km (0.065 R)
• M20: 20,865,013 km (0.053 R)
• M21: 22,315,365 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 13.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.59 AU - 5.91 AU

Year: 7146 Days

Day: 10.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,085,712 km

• M1: 171,589 km (0.091 R)
• M2: 833,410 km (0.098 R)
• M3: 2,002,367 km (0.105 R)
• M4: 3,058,828 km (0.081 R)
• M5: 3,793,802 km (0.062 R)
• M6: 5,802,901 km (0.094 R)
• M7: 6,317,368 km (0.1 R)
• M8: 7,364,853 km (0.081 R)
• M9: 9,759,167 km (0.109 R)
• M10: 11,703,041 km (0.062 R)
• M11: 19,353,327 km (0.092 R)
• M12: 26,883,485 km (0.11 R)
• M13: 34,159,327 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.3

Radius: 3.6

Gravity: 73.63 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.2 AU - 5.92 AU

Year: 9049 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,085,712 km

• M1: 45,627 km (0.066 R)
• M2: 165,156 km (0.086 R)
• M3: 570,417 km (0.11 R)
• M4: 719,416 km (0.069 R)
• M5: 884,273 km (0.047 R)
• M6: 1,062,893 km (0.109 R)
• M7: 1,329,476 km (0.081 R)
• M8: 3,013,200 km (0.068 R)
• M9: 3,175,813 km (0.08 R)
• M10: 3,647,346 km (0.058 R)
• M11: 3,913,331 km (0.033 R)
• M12: 4,454,426 km (0.104 R)
• M13: 5,076,155 km (0.053 R)
• M14: 5,374,004 km (0.1 R)
• M15: 5,753,684 km (0.101 R)
• M16: 6,999,984 km (0.057 R)
• M17: 7,285,865 km (0.115 R)
• M18: 7,837,133 km (0.111 R)
• M19: 8,370,300 km (0.095 R)
• M20: 8,879,980 km (0.032 R)
• M21: 9,022,397 km (0.11 R)
• M22: 9,960,675 km (0.117 R)
• M23: 10,962,083 km (0.063 R)
• M24: 12,261,789 km (0.092 R)
• M25: 16,483,741 km (0.081 R)
• M26: 17,804,091 km (0.081 R)
• M27: 19,511,601 km (0.116 R)
• M28: 23,609,536 km (0.052 R)
• M29: 25,474,124 km (0.059 R)
• M30: 26,836,063 km (0.061 R)
• M31: 28,554,194 km (0.056 R)
• M32: 29,492,921 km (0.107 R)
• M33: 30,667,863 km (0.107 R)
• M34: 36,161,097 km (0.103 R)
• M35: 44,179,542 km (0.038 R)
• M36: 46,711,636 km (0.106 R)
• M37: 47,287,289 km (0.104 R)
• M38: 48,746,765 km (0.041 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: 165 - 19,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit