🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.6

Radius: 13.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 9.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,029,575 km

• M1: 165,455 km (0.107 R)
• M2: 630,854 km (0.097 R)
• M3: 1,101,040 km (0.072 R)
• M4: 2,002,667 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707

Radius: 12

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,029,575 km

• M1: 149,299 km (0.102 R)
• M2: 532,868 km (0.073 R)
• M3: 1,055,563 km (0.109 R)
• M4: 1,492,987 km (0.116 R)
• M5: 1,909,018 km (0.068 R)
• M6: 2,730,610 km (0.052 R)
• M7: 3,478,150 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 9.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.69 AU - 1.03 AU

Year: 532 Days

Day: 14.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,029,575 km

• M1: 121,324 km (0.026 R)
• M2: 484,697 km (0.114 R)
• M3: 849,417 km (0.111 R)
• M4: 1,473,689 km (0.073 R)
• M5: 1,793,230 km (0.077 R)
• M6: 2,106,637 km (0.076 R)
• M7: 2,408,675 km (0.077 R)
• M8: 2,911,175 km (0.049 R)
• M9: 3,312,097 km (0.109 R)
• M10: 3,620,717 km (0.115 R)
• M11: 4,325,174 km (0.096 R)
• M12: 4,990,286 km (0.1 R)
• M13: 5,791,981 km (0.12 R)
• M14: 6,187,069 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 12.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.04 AU - 1.68 AU

Year: 1058 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,029,575 km

• M1: 160,967 km (0.101 R)
• M2: 956,529 km (0.114 R)
• M3: 1,394,402 km (0.11 R)
• M4: 1,893,311 km (0.118 R)
• M5: 2,579,965 km (0.062 R)
• M6: 3,179,104 km (0.08 R)
• M7: 4,153,585 km (0.082 R)
• M8: 4,907,708 km (0.09 R)
• M9: 5,630,565 km (0.078 R)
• M10: 6,892,572 km (0.042 R)
• M11: 7,529,560 km (0.105 R)
• M12: 8,077,387 km (0.111 R)
• M13: 9,563,941 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 11.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.66 AU - 1.8 AU

Year: 1517 Days

Day: 13.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,029,575 km

• M1: 150,795 km (0.034 R)
• M2: 625,618 km (0.093 R)
• M3: 1,030,131 km (0.067 R)
• M4: 1,438,683 km (0.095 R)
• M5: 2,031,389 km (0.063 R)
• M6: 2,519,228 km (0.044 R)
• M7: 4,432,286 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.5

Radius: 9.4

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.83 AU - 2.13 AU

Year: 1858 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,029,575 km

• M1: 116,986 km (0.107 R)
• M2: 420,520 km (0.1 R)
• M3: 777,909 km (0.046 R)
• M4: 1,238,970 km (0.119 R)
• M5: 2,075,222 km (0.093 R)
• M6: 2,616,317 km (0.116 R)
• M7: 2,912,970 km (0.117 R)
• M8: 4,076,093 km (0.109 R)
• M9: 5,060,148 km (0.117 R)
• M10: 5,358,446 km (0.093 R)
• M11: 6,324,998 km (0.052 R)
• M12: 7,374,577 km (0.114 R)
• M13: 7,849,699 km (0.032 R)
• M14: 8,665,157 km (0.107 R)
• M15: 9,501,709 km (0.043 R)
• M16: 10,064,646 km (0.081 R)
• M17: 10,575,223 km (0.061 R)
• M18: 11,103,154 km (0.113 R)
• M19: 11,490,762 km (0.072 R)
• M20: 13,175,832 km (0.109 R)
• M21: 13,831,520 km (0.089 R)
• M22: 14,925,828 km (0.072 R)
• M23: 15,929,780 km (0.067 R)
• M24: 16,927,149 km (0.087 R)
• M25: 17,285,884 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 11.4

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.8 AU - 3.18 AU

Year: 3448 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,029,575 km

• M1: 142,567 km (0.048 R)
• M2: 1,318,107 km (0.062 R)
• M3: 2,579,067 km (0.117 R)
• M4: 2,957,550 km (0.104 R)
• M5: 4,091,053 km (0.112 R)
• M6: 4,475,819 km (0.062 R)
• M7: 4,861,332 km (0.115 R)
• M8: 5,883,684 km (0.119 R)
• M9: 6,488,658 km (0.113 R)
• M10: 6,984,126 km (0.068 R)
• M11: 7,694,566 km (0.037 R)
• M12: 8,117,180 km (0.104 R)
• M13: 8,555,053 km (0.03 R)
• M14: 9,926,716 km (0.094 R)
• M15: 11,649,785 km (0.087 R)
• M16: 15,169,374 km (0.091 R)
• M17: 16,201,749 km (0.091 R)
• M18: 16,789,369 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.7

Radius: 6.9

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.9 AU - 6.4 AU

Year: 10170 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,029,575 km

• M1: 87,664 km (0.056 R)
• M2: 435,180 km (0.095 R)
• M3: 837,598 km (0.041 R)
• M4: 2,266,857 km (0.078 R)
• M5: 2,707,273 km (0.108 R)
• M6: 2,993,453 km (0.093 R)
• M7: 7,279,133 km (0.109 R)
• M8: 8,981,258 km (0.044 R)
• M9: 9,420,178 km (0.104 R)
• M10: 10,393,910 km (0.082 R)
• M11: 11,546,412 km (0.092 R)
• M12: 12,242,043 km (0.1 R)
• M13: 13,462,911 km (0.109 R)
• M14: 16,647,700 km (0.063 R)
• M15: 20,719,455 km (0.095 R)
• M16: 20,972,724 km (0.099 R)
• M17: 22,182,522 km (0.078 R)
• M18: 26,385,474 km (0.04 R)
• M19: 28,516,945 km (0.103 R)
• M20: 29,146,303 km (0.069 R)
• M21: 29,464,497 km (0.111 R)
• M22: 31,645,186 km (0.093 R)
• M23: 37,438,214 km (0.096 R)
• M24: 41,714,319 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.3

Radius: 7.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.72 AU - 12.64 AU

Year: 21660 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,029,575 km

• M1: 97,687 km (0.066 R)
• M2: 739,911 km (0.099 R)
• M3: 3,573,444 km (0.115 R)
• M4: 3,956,564 km (0.104 R)
• M5: 4,685,555 km (0.05 R)
• M6: 5,634,305 km (0.048 R)
• M7: 6,262,017 km (0.072 R)
• M8: 6,743,573 km (0.047 R)
• M9: 9,198,773 km (0.075 R)
• M10: 10,018,420 km (0.114 R)
• M11: 11,150,277 km (0.102 R)
• M12: 13,665,915 km (0.055 R)
• M13: 15,717,201 km (0.108 R)
• M14: 20,022,478 km (0.11 R)
• M15: 22,829,682 km (0.114 R)
• M16: 23,176,301 km (0.08 R)
• M17: 27,614,121 km (0.088 R)
• M18: 31,827,545 km (0.106 R)
• M19: 35,284,154 km (0.068 R)
• M20: 42,539,202 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 13,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit