🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.59 AU - 0.69 AU

Year: 326 Days

Day: 25.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.1

Radius: 13.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.93 AU - 1.05 AU

Year: 626 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 64,570,727 km

• M1: 169,794 km (0.034 R)
• M2: 282,590 km (0.102 R)
• M3: 379,231 km (0.051 R)
• M4: 464,651 km (0.11 R)
• M5: 749,785 km (0.08 R)
• M6: 851,960 km (0.115 R)
• M7: 954,285 km (0.103 R)
• M8: 1,103,434 km (0.1 R)
• M9: 1,277,715 km (0.064 R)
• M10: 1,408,913 km (0.094 R)
• M11: 1,723,068 km (0.105 R)
• M12: 1,818,063 km (0.099 R)
• M13: 1,980,377 km (0.071 R)
• M14: 2,134,163 km (0.104 R)
• M15: 2,284,958 km (0.034 R)
• M16: 2,461,035 km (0.096 R)
• M17: 2,834,281 km (0.074 R)
• M18: 2,924,788 km (0.03 R)
• M19: 3,070,048 km (0.06 R)
• M20: 3,155,318 km (0.096 R)
• M21: 3,249,266 km (0.088 R)
• M22: 3,424,146 km (0.099 R)
• M23: 3,528,864 km (0.037 R)
• M24: 3,651,086 km (0.075 R)
• M25: 3,749,970 km (0.116 R)
• M26: 3,900,016 km (0.115 R)
• M27: 4,120,225 km (0.114 R)
• M28: 4,266,531 km (0.115 R)
• M29: 4,414,484 km (0.093 R)
• M30: 4,644,266 km (0.1 R)
• M31: 4,805,682 km (0.098 R)
• M32: 5,078,997 km (0.04 R)
• M33: 5,254,775 km (0.114 R)
• M34: 5,376,099 km (0.12 R)
• M35: 5,479,620 km (0.096 R)
• M36: 5,564,742 km (0.095 R)
• M37: 5,746,054 km (0.103 R)
• M38: 6,202,926 km (0.116 R)
• M39: 6,390,971 km (0.085 R)
• M40: 6,621,351 km (0.099 R)
• M41: 6,997,440 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 9.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.23 AU - 2.93 AU

Year: 2635 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 64,570,727 km

• M1: 157,078 km (0.089 R)
• M2: 322,832 km (0.059 R)
• M3: 532,868 km (0.053 R)
• M4: 740,958 km (0.097 R)
• M5: 804,537 km (0.056 R)
• M6: 987,944 km (0.081 R)
• M7: 1,111,363 km (0.087 R)
• M8: 1,260,960 km (0.091 R)
• M9: 1,453,792 km (0.094 R)
• M10: 1,565,243 km (0.07 R)
• M11: 1,687,165 km (0.053 R)
• M12: 1,773,034 km (0.116 R)
• M13: 2,147,777 km (0.06 R)
• M14: 2,207,017 km (0.029 R)
• M15: 2,266,707 km (0.115 R)
• M16: 2,691,565 km (0.084 R)
• M17: 2,773,993 km (0.067 R)
• M18: 2,988,517 km (0.068 R)
• M19: 3,141,106 km (0.06 R)
• M20: 3,247,471 km (0.097 R)
• M21: 3,533,801 km (0.098 R)
• M22: 3,848,854 km (0.099 R)
• M23: 4,268,775 km (0.035 R)
• M24: 4,386,958 km (0.025 R)
• M25: 4,659,375 km (0.103 R)
• M26: 4,870,159 km (0.071 R)
• M27: 5,072,864 km (0.06 R)
• M28: 5,198,077 km (0.097 R)
• M29: 5,416,789 km (0.107 R)
• M30: 5,626,675 km (0.079 R)
• M31: 5,910,911 km (0.097 R)
• M32: 5,982,718 km (0.088 R)
• M33: 6,754,045 km (0.101 R)
• M34: 6,879,408 km (0.06 R)
• M35: 7,132,378 km (0.12 R)
• M36: 7,285,715 km (0.114 R)
• M37: 7,478,846 km (0.084 R)
• M38: 7,582,518 km (0.097 R)
• M39: 7,699,802 km (0.031 R)
• M40: 7,988,975 km (0.081 R)
• M41: 8,469,783 km (0.113 R)
• M42: 9,028,830 km (0.119 R)
• M43: 9,319,947 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.1

Radius: 6.3

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.75 AU - 10.17 AU

Year: 15645 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 64,570,727 km

• M1: 80,334 km (0.109 R)
• M2: 163,062 km (0.039 R)
• M3: 447,597 km (0.115 R)
• M4: 910,153 km (0.11 R)
• M5: 1,098,198 km (0.118 R)
• M6: 1,483,263 km (0.074 R)
• M7: 2,495,741 km (0.074 R)
• M8: 2,725,823 km (0.108 R)
• M9: 2,962,786 km (0.073 R)
• M10: 3,312,845 km (0.073 R)
• M11: 3,565,815 km (0.056 R)
• M12: 3,750,269 km (0.03 R)
• M13: 4,322,481 km (0.118 R)
• M14: 4,880,930 km (0.117 R)
• M15: 5,210,045 km (0.08 R)
• M16: 5,760,416 km (0.118 R)
• M17: 6,240,475 km (0.05 R)
• M18: 6,869,833 km (0.05 R)
• M19: 8,776,757 km (0.117 R)
• M20: 9,227,047 km (0.084 R)
• M21: 9,480,466 km (0.09 R)
• M22: 9,531,479 km (0.111 R)
• M23: 10,098,006 km (0.112 R)
• M24: 10,411,713 km (0.093 R)
• M25: 10,834,925 km (0.093 R)
• M26: 11,102,256 km (0.065 R)
• M27: 11,862,363 km (0.084 R)
• M28: 12,248,625 km (0.103 R)
• M29: 12,920,618 km (0.102 R)
• M30: 14,358,404 km (0.073 R)
• M31: 14,829,188 km (0.115 R)
• M32: 15,245,220 km (0.072 R)
• M33: 15,304,909 km (0.076 R)
• M34: 16,332,647 km (0.089 R)
• M35: 16,700,657 km (0.097 R)
• M36: 17,820,996 km (0.069 R)
• M37: 18,199,927 km (0.052 R)
• M38: 18,453,945 km (0.07 R)
• M39: 18,645,131 km (0.079 R)
• M40: 19,094,074 km (0.095 R)
• M41: 20,462,146 km (0.114 R)
• M42: 21,058,144 km (0.117 R)
• M43: 21,124,715 km (0.082 R)
• M44: 21,794,166 km (0.109 R)
• M45: 22,199,277 km (0.105 R)
• M46: 22,606,781 km (0.114 R)
• M47: 22,743,215 km (0.115 R)
• M48: 22,879,798 km (0.118 R)
• M49: 23,154,010 km (0.112 R)
• M50: 24,751,417 km (0.094 R)
• M51: 25,527,979 km (0.101 R)
• M52: 26,097,797 km (0.027 R)
• M53: 26,815,867 km (0.1 R)
• M54: 27,322,406 km (0.11 R)
• M55: 27,467,665 km (0.11 R)
• M56: 27,540,370 km (0.059 R)
• M57: 28,639,316 km (0.115 R)
• M58: 30,351,912 km (0.034 R)
• M59: 31,410,616 km (0.06 R)
• M60: 32,558,181 km (0.12 R)
• M61: 35,209,953 km (0.063 R)
• M62: 36,242,029 km (0.084 R)
• M63: 36,721,640 km (0.108 R)
• M64: 36,801,824 km (0.056 R)
• M65: 37,042,677 km (0.098 R)
• M66: 37,849,159 km (0.091 R)
• M67: 38,254,420 km (0.076 R)
• M68: 40,303,013 km (0.097 R)
• M69: 40,883,004 km (0.06 R)
• M70: 43,061,149 km (0.046 R)
• M71: 43,315,016 km (0.084 R)
• M72: 43,823,948 km (0.077 R)
• M73: 45,019,235 km (0.112 R)
• M74: 46,138,826 km (0.112 R)
• M75: 46,485,145 km (0.12 R)
• M76: 48,493,197 km (0.074 R)
• M77: 49,375,076 km (0.041 R)
• M78: 51,423,370 km (0.083 R)
• M79: 51,512,980 km (0.091 R)
• M80: 52,322,603 km (0.111 R)
• M81: 54,136,477 km (0.027 R)
• M82: 54,501,795 km (0.102 R)
• M83: 55,326,529 km (0.075 R)
• M84: 55,786,542 km (0.12 R)
• M85: 56,247,902 km (0.091 R)
• M86: 56,432,655 km (0.032 R)
• M87: 57,360,162 km (0.098 R)
• M88: 57,639,312 km (0.093 R)
• M89: 58,573,251 km (0.06 R)
• M90: 60,740,176 km (0.082 R)
• M91: 61,024,711 km (0.103 R)
• M92: 61,404,840 km (0.067 R)
• M93: 62,071,897 km (0.066 R)
• M94: 62,167,490 km (0.1 R)
• M95: 63,509,532 km (0.109 R)
• M96: 64,184,218 km (0.056 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 19,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit