🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.46 AU - 0.6 AU

Year: 249 Days

Day: 23.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,910,069 km

• M1: 335,398 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 13

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.57 AU - 0.93 AU

Year: 419 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,910,069 km

• M1: 166,502 km (0.099 R)
• M2: 325,974 km (0.054 R)
• M3: 435,031 km (0.098 R)
• M4: 516,262 km (0.077 R)
• M5: 626,217 km (0.076 R)
• M6: 745,745 km (0.105 R)
• M7: 865,573 km (0.076 R)
• M8: 979,118 km (0.072 R)
• M9: 1,070,223 km (0.068 R)
• M10: 1,169,257 km (0.113 R)
• M11: 1,261,858 km (0.099 R)
• M12: 1,397,843 km (0.089 R)
• M13: 1,539,063 km (0.113 R)
• M14: 1,751,941 km (0.103 R)
• M15: 1,882,091 km (0.088 R)
• M16: 1,986,361 km (0.101 R)
• M17: 2,311,138 km (0.11 R)
• M18: 2,423,186 km (0.07 R)
• M19: 2,511,748 km (0.09 R)
• M20: 2,601,357 km (0.112 R)
• M21: 2,731,358 km (0.09 R)
• M22: 2,910,427 km (0.118 R)
• M23: 3,004,823 km (0.118 R)
• M24: 3,093,385 km (0.1 R)
• M25: 3,196,757 km (0.076 R)
• M26: 3,421,154 km (0.03 R)
• M27: 3,564,169 km (0.091 R)
• M28: 3,893,135 km (0.109 R)
• M29: 4,072,652 km (0.062 R)
• M30: 4,178,717 km (0.034 R)
• M31: 4,730,883 km (0.096 R)
• M32: 4,826,476 km (0.112 R)
• M33: 4,971,137 km (0.07 R)
• M34: 5,100,988 km (0.026 R)
• M35: 5,281,403 km (0.085 R)
• M36: 5,388,964 km (0.072 R)
• M37: 5,480,668 km (0.064 R)
• M38: 5,640,139 km (0.089 R)
• M39: 5,767,148 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 13

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.82 AU - 0.84 AU

Year: 488 Days

Day: 12.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,910,069 km

• M1: 164,258 km (0.103 R)
• M2: 293,960 km (0.062 R)
• M3: 409,150 km (0.066 R)
• M4: 502,499 km (0.09 R)
• M5: 609,013 km (0.051 R)
• M6: 759,957 km (0.053 R)
• M7: 886,667 km (0.117 R)
• M8: 998,865 km (0.084 R)
• M9: 1,158,336 km (0.065 R)
• M10: 1,272,928 km (0.091 R)
• M11: 1,371,513 km (0.116 R)
• M12: 1,462,618 km (0.107 R)
• M13: 1,629,869 km (0.109 R)
• M14: 1,870,721 km (0.102 R)
• M15: 1,984,117 km (0.12 R)
• M16: 2,094,071 km (0.063 R)
• M17: 2,182,334 km (0.07 R)
• M18: 2,296,178 km (0.097 R)
• M19: 2,418,100 km (0.042 R)
• M20: 2,523,566 km (0.115 R)
• M21: 2,611,530 km (0.057 R)
• M22: 2,739,137 km (0.099 R)
• M23: 2,842,659 km (0.096 R)
• M24: 2,967,573 km (0.077 R)
• M25: 3,127,792 km (0.118 R)
• M26: 3,291,004 km (0.106 R)
• M27: 3,380,762 km (0.05 R)
• M28: 3,464,238 km (0.052 R)
• M29: 3,548,461 km (0.069 R)
• M30: 3,928,590 km (0.068 R)
• M31: 4,038,694 km (0.12 R)
• M32: 4,329,662 km (0.052 R)
• M33: 4,466,244 km (0.109 R)
• M34: 4,565,877 km (0.115 R)
• M35: 4,650,699 km (0.118 R)
• M36: 4,798,651 km (0.093 R)
• M37: 4,924,313 km (0.119 R)
• M38: 5,051,172 km (0.105 R)
• M39: 5,520,311 km (0.061 R)
• M40: 5,627,423 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.3

Radius: 7.7

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.26 AU - 8.66 AU

Year: 15888 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 68,910,069 km

• M1: 248,332 km (0.115 R)
• M2: 418,126 km (0.102 R)
• M3: 1,007,691 km (0.116 R)
• M4: 1,132,456 km (0.094 R)
• M5: 1,183,918 km (0.059 R)
• M6: 1,370,167 km (0.094 R)
• M7: 1,741,319 km (0.087 R)
• M8: 1,861,596 km (0.027 R)
• M9: 2,142,541 km (0.117 R)
• M10: 2,504,268 km (0.074 R)
• M11: 2,992,107 km (0.112 R)
• M12: 3,396,021 km (0.105 R)
• M13: 3,471,269 km (0.05 R)
• M14: 3,661,857 km (0.076 R)
• M15: 3,777,945 km (0.053 R)
• M16: 6,066,942 km (0.116 R)
• M17: 6,204,572 km (0.112 R)
• M18: 7,293,644 km (0.119 R)
• M19: 8,136,179 km (0.066 R)
• M20: 8,440,761 km (0.104 R)
• M21: 8,852,903 km (0.076 R)
• M22: 9,911,457 km (0.077 R)
• M23: 10,182,379 km (0.072 R)
• M24: 10,842,405 km (0.09 R)
• M25: 11,403,098 km (0.101 R)
• M26: 12,319,684 km (0.093 R)
• M27: 13,678,182 km (0.093 R)
• M28: 13,919,334 km (0.077 R)
• M29: 14,528,197 km (0.09 R)
• M30: 14,651,017 km (0.11 R)
• M31: 14,712,651 km (0.104 R)
• M32: 15,961,494 km (0.089 R)
• M33: 18,626,132 km (0.044 R)
• M34: 19,431,716 km (0.092 R)
• M35: 20,111,639 km (0.114 R)
• M36: 21,215,820 km (0.082 R)
• M37: 21,845,627 km (0.083 R)
• M38: 22,694,745 km (0.093 R)
• M39: 23,916,212 km (0.107 R)
• M40: 24,425,293 km (0.103 R)
• M41: 25,232,523 km (0.102 R)
• M42: 25,750,880 km (0.096 R)
• M43: 28,164,492 km (0.075 R)
• M44: 28,394,424 km (0.109 R)
• M45: 28,548,061 km (0.108 R)
• M46: 28,701,997 km (0.097 R)
• M47: 28,856,232 km (0.072 R)
• M48: 30,492,085 km (0.104 R)
• M49: 30,728,151 km (0.054 R)
• M50: 32,558,630 km (0.07 R)
• M51: 32,961,348 km (0.092 R)
• M52: 33,203,696 km (0.037 R)
• M53: 34,178,925 km (0.072 R)
• M54: 36,574,585 km (0.1 R)
• M55: 38,258,010 km (0.075 R)
• M56: 38,597,747 km (0.066 R)
• M57: 38,767,989 km (0.043 R)
• M58: 39,280,212 km (0.11 R)
• M59: 39,451,502 km (0.102 R)
• M60: 40,138,904 km (0.104 R)
• M61: 40,397,708 km (0.059 R)
• M62: 40,570,494 km (0.082 R)
• M63: 40,657,111 km (0.072 R)
• M64: 42,927,857 km (0.061 R)
• M65: 43,989,852 km (0.052 R)
• M66: 44,702,537 km (0.057 R)
• M67: 44,970,915 km (0.12 R)
• M68: 45,419,110 km (0.109 R)
• M69: 45,868,951 km (0.051 R)
• M70: 46,682,315 km (0.117 R)
• M71: 47,682,825 km (0.117 R)
• M72: 47,865,484 km (0.098 R)
• M73: 50,540,294 km (0.077 R)
• M74: 52,036,722 km (0.082 R)
• M75: 52,601,753 km (0.055 R)
• M76: 52,696,000 km (0.068 R)
• M77: 52,790,396 km (0.035 R)
• M78: 53,263,275 km (0.116 R)
• M79: 53,927,788 km (0.094 R)
• M80: 54,786,031 km (0.107 R)
• M81: 56,322,850 km (0.113 R)
• M82: 61,315,530 km (0.052 R)
• M83: 63,612,904 km (0.062 R)
• M84: 63,713,434 km (0.074 R)
• M85: 64,015,322 km (0.074 R)
• M86: 65,633,523 km (0.084 R)
• M87: 66,142,006 km (0.085 R)
• M88: 66,651,686 km (0.111 R)
• M89: 67,162,712 km (0.043 R)
• M90: 67,675,085 km (0.094 R)
• M91: 68,394,651 km (0.062 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 20,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit