🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.57 AU - 0.73 AU

Year: 344 Days

Day: 19.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 12.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.72 AU - 0.9 AU

Year: 478 Days

Day: 5.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,946,027 km

• M1: 160,668 km (0.106 R)
• M2: 262,544 km (0.057 R)
• M3: 376,239 km (0.087 R)
• M4: 456,722 km (0.049 R)
• M5: 579,991 km (0.111 R)
• M6: 662,270 km (0.111 R)
• M7: 899,981 km (0.105 R)
• M8: 983,307 km (0.077 R)
• M9: 1,069,475 km (0.108 R)
• M10: 1,178,233 km (0.079 R)
• M11: 1,262,307 km (0.119 R)
• M12: 1,475,633 km (0.091 R)
• M13: 1,602,343 km (0.104 R)
• M14: 1,824,944 km (0.102 R)
• M15: 1,904,680 km (0.112 R)
• M16: 2,077,466 km (0.059 R)
• M17: 2,160,941 km (0.086 R)
• M18: 2,260,573 km (0.104 R)
• M19: 2,361,851 km (0.096 R)
• M20: 2,798,677 km (0.107 R)
• M21: 2,918,804 km (0.097 R)
• M22: 3,107,746 km (0.069 R)
• M23: 3,278,138 km (0.103 R)
• M24: 3,498,197 km (0.098 R)
• M25: 3,586,609 km (0.092 R)
• M26: 3,990,074 km (0.077 R)
• M27: 4,082,376 km (0.051 R)
• M28: 4,194,276 km (0.071 R)
• M29: 4,325,922 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.5

Radius: 14

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.25 AU - 1.63 AU

Year: 1134 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 64,946,027 km

• M1: 176,376 km (0.037 R)
• M2: 267,780 km (0.107 R)
• M3: 363,074 km (0.095 R)
• M4: 575,802 km (0.114 R)
• M5: 746,344 km (0.109 R)
• M6: 864,825 km (0.049 R)
• M7: 1,003,054 km (0.102 R)
• M8: 1,175,540 km (0.081 R)
• M9: 1,330,823 km (0.115 R)
• M10: 1,515,127 km (0.079 R)
• M11: 1,647,970 km (0.07 R)
• M12: 1,808,040 km (0.087 R)
• M13: 2,038,121 km (0.112 R)
• M14: 2,457,594 km (0.092 R)
• M15: 2,651,024 km (0.102 R)
• M16: 2,749,609 km (0.098 R)
• M17: 2,969,368 km (0.083 R)
• M18: 3,261,682 km (0.106 R)
• M19: 3,603,364 km (0.119 R)
• M20: 3,895,379 km (0.071 R)
• M21: 4,090,903 km (0.089 R)
• M22: 4,268,626 km (0.086 R)
• M23: 4,502,597 km (0.108 R)
• M24: 4,642,920 km (0.03 R)
• M25: 5,027,835 km (0.051 R)
• M26: 5,252,531 km (0.101 R)
• M27: 5,434,741 km (0.083 R)
• M28: 5,665,421 km (0.062 R)
• M29: 6,041,360 km (0.108 R)
• M30: 6,292,535 km (0.101 R)
• M31: 6,461,880 km (0.065 R)
• M32: 6,571,535 km (0.116 R)
• M33: 7,016,739 km (0.063 R)
• M34: 7,217,648 km (0.098 R)
• M35: 7,331,642 km (0.065 R)
• M36: 7,420,653 km (0.1 R)
• M37: 7,561,275 km (0.11 R)
• M38: 7,754,406 km (0.111 R)
• M39: 8,001,541 km (0.11 R)
• M40: 8,119,574 km (0.103 R)
• M41: 8,211,726 km (0.102 R)
• M42: 8,317,342 km (0.047 R)
• M43: 8,650,796 km (0.092 R)
• M44: 8,812,511 km (0.109 R)
• M45: 8,934,434 km (0.098 R)
• M46: 9,289,729 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 13.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.75 AU - 1.75 AU

Year: 1519 Days

Day: 8.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 64,946,027 km

• M1: 173,683 km (0.098 R)
• M2: 262,245 km (0.03 R)
• M3: 465,249 km (0.082 R)
• M4: 598,691 km (0.11 R)
• M5: 768,484 km (0.095 R)
• M6: 933,790 km (0.073 R)
• M7: 1,168,509 km (0.026 R)
• M8: 1,259,764 km (0.108 R)
• M9: 1,414,747 km (0.114 R)
• M10: 1,782,608 km (0.077 R)
• M11: 1,948,363 km (0.05 R)
• M12: 2,391,023 km (0.087 R)
• M13: 2,541,967 km (0.065 R)
• M14: 2,629,781 km (0.048 R)
• M15: 2,752,302 km (0.103 R)
• M16: 2,968,321 km (0.051 R)
• M17: 3,201,993 km (0.079 R)
• M18: 3,345,158 km (0.102 R)
• M19: 4,028,671 km (0.06 R)
• M20: 4,118,878 km (0.101 R)
• M21: 4,406,704 km (0.069 R)
• M22: 4,553,011 km (0.058 R)
• M23: 4,674,036 km (0.118 R)
• M24: 5,029,780 km (0.072 R)
• M25: 5,197,030 km (0.052 R)
• M26: 5,337,802 km (0.119 R)
• M27: 5,479,770 km (0.115 R)
• M28: 5,565,639 km (0.118 R)
• M29: 5,840,450 km (0.118 R)
• M30: 6,060,659 km (0.092 R)
• M31: 6,223,870 km (0.077 R)
• M32: 6,343,548 km (0.112 R)
• M33: 6,585,149 km (0.088 R)
• M34: 6,707,071 km (0.088 R)
• M35: 7,124,449 km (0.115 R)
• M36: 7,518,340 km (0.095 R)
• M37: 7,645,947 km (0.069 R)
• M38: 8,016,800 km (0.115 R)
• M39: 8,179,862 km (0.096 R)
• M40: 8,294,753 km (0.065 R)
• M41: 8,459,760 km (0.119 R)
• M42: 8,642,419 km (0.084 R)
• M43: 8,759,404 km (0.111 R)
• M44: 8,910,648 km (0.045 R)
• M45: 9,318,152 km (0.109 R)
• M46: 9,455,333 km (0.101 R)
• M47: 9,662,377 km (0.118 R)
• M48: 10,081,101 km (0.111 R)
• M49: 10,577,018 km (0.092 R)
• M50: 11,081,013 km (0.093 R)
• M51: 11,190,070 km (0.095 R)
• M52: 11,390,980 km (0.071 R)
• M53: 11,519,335 km (0.119 R)
• M54: 11,629,888 km (0.114 R)
• M55: 11,759,141 km (0.11 R)
• M56: 12,075,241 km (0.088 R)
• M57: 12,431,882 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556

Radius: 7.1

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.29 AU - 10.57 AU

Year: 17506 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 64,946,027 km

• M1: 134,638 km (0.09 R)
• M2: 184,454 km (0.095 R)
• M3: 258,206 km (0.115 R)
• M4: 442,361 km (0.104 R)
• M5: 646,562 km (0.047 R)
• M6: 1,017,714 km (0.107 R)
• M7: 1,238,371 km (0.06 R)
• M8: 1,611,169 km (0.068 R)
• M9: 1,927,718 km (0.079 R)
• M10: 3,413,225 km (0.104 R)
• M11: 3,669,337 km (0.096 R)
• M12: 4,356,440 km (0.084 R)
• M13: 4,674,485 km (0.049 R)
• M14: 4,918,030 km (0.098 R)
• M15: 5,630,265 km (0.109 R)
• M16: 5,889,369 km (0.086 R)
• M17: 5,976,585 km (0.09 R)
• M18: 6,329,785 km (0.09 R)
• M19: 6,599,211 km (0.105 R)
• M20: 7,335,831 km (0.115 R)
• M21: 7,809,458 km (0.106 R)
• M22: 7,905,350 km (0.101 R)
• M23: 9,441,570 km (0.114 R)
• M24: 9,646,370 km (0.088 R)
• M25: 10,060,307 km (0.112 R)
• M26: 11,718,899 km (0.097 R)
• M27: 12,327,613 km (0.042 R)
• M28: 12,720,307 km (0.115 R)
• M29: 13,060,044 km (0.08 R)
• M30: 13,117,040 km (0.112 R)
• M31: 13,690,898 km (0.114 R)
• M32: 13,864,731 km (0.074 R)
• M33: 15,221,135 km (0.047 R)
• M34: 15,884,751 km (0.082 R)
• M35: 16,928,794 km (0.097 R)
• M36: 18,058,109 km (0.077 R)
• M37: 18,248,846 km (0.081 R)
• M38: 18,440,032 km (0.085 R)
• M39: 19,276,583 km (0.067 R)
• M40: 19,536,435 km (0.095 R)
• M41: 19,732,109 km (0.041 R)
• M42: 20,986,487 km (0.075 R)
• M43: 21,053,208 km (0.08 R)
• M44: 22,062,694 km (0.115 R)
• M45: 22,881,593 km (0.119 R)
• M46: 22,950,258 km (0.074 R)
• M47: 23,018,924 km (0.113 R)
• M48: 23,225,668 km (0.102 R)
• M49: 24,338,377 km (0.064 R)
• M50: 24,478,700 km (0.051 R)
• M51: 24,689,633 km (0.11 R)
• M52: 24,830,554 km (0.117 R)
• M53: 25,539,498 km (0.118 R)
• M54: 27,340,806 km (0.056 R)
• M55: 28,515,000 km (0.087 R)
• M56: 28,662,802 km (0.03 R)
• M57: 29,555,752 km (0.074 R)
• M58: 30,231,486 km (0.086 R)
• M59: 30,988,152 km (0.102 R)
• M60: 34,864,083 km (0.086 R)
• M61: 35,022,358 km (0.088 R)
• M62: 36,537,036 km (0.049 R)
• M63: 37,423,703 km (0.104 R)
• M64: 37,991,576 km (0.056 R)
• M65: 38,562,442 km (0.074 R)
• M66: 39,382,687 km (0.1 R)
• M67: 39,465,115 km (0.102 R)
• M68: 40,043,161 km (0.059 R)
• M69: 43,314,717 km (0.097 R)
• M70: 43,825,594 km (0.036 R)
• M71: 43,910,865 km (0.111 R)
• M72: 44,853,331 km (0.118 R)
• M73: 46,758,011 km (0.072 R)
• M74: 48,335,970 km (0.056 R)
• M75: 48,865,845 km (0.103 R)
• M76: 48,954,407 km (0.082 R)
• M77: 49,042,969 km (0.029 R)
• M78: 49,575,388 km (0.06 R)
• M79: 51,094,255 km (0.087 R)
• M80: 51,273,922 km (0.04 R)
• M81: 51,453,888 km (0.1 R)
• M82: 52,900,799 km (0.078 R)
• M83: 54,269,320 km (0.113 R)
• M84: 55,188,150 km (0.11 R)
• M85: 56,297,568 km (0.047 R)
• M86: 57,414,167 km (0.107 R)
• M87: 58,256,552 km (0.083 R)
• M88: 58,444,298 km (0.094 R)
• M89: 58,632,193 km (0.065 R)
• M90: 59,291,620 km (0.107 R)
• M91: 60,048,286 km (0.116 R)
• M92: 61,093,676 km (0.095 R)
• M93: 61,666,486 km (0.117 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: 436 - 18,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit