🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.51 AU - 0.83 AU

Year: 349 Days

Day: 21.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,476,385 km

• M1: 382,971 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 11.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.72 AU - 1.18 AU

Year: 589 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,476,385 km

• M1: 145,110 km (0.053 R)
• M2: 222,003 km (0.064 R)
• M3: 354,397 km (0.03 R)
• M4: 447,148 km (0.058 R)
• M5: 556,803 km (0.066 R)
• M6: 654,790 km (0.047 R)
• M7: 750,233 km (0.085 R)
• M8: 846,126 km (0.063 R)
• M9: 946,506 km (0.115 R)
• M10: 1,035,367 km (0.104 R)
• M11: 1,157,588 km (0.07 R)
• M12: 1,259,016 km (0.06 R)
• M13: 1,334,263 km (0.115 R)
• M14: 1,444,218 km (0.026 R)
• M15: 1,569,730 km (0.081 R)
• M16: 1,718,281 km (0.1 R)
• M17: 1,831,976 km (0.054 R)
• M18: 1,941,631 km (0.108 R)
• M19: 2,070,734 km (0.026 R)
• M20: 2,153,761 km (0.073 R)
• M21: 2,234,543 km (0.042 R)
• M22: 2,409,872 km (0.083 R)
• M23: 2,497,536 km (0.104 R)
• M24: 2,612,278 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 9.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.47 AU - 2.07 AU

Year: 1497 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 35,476,385 km

• M1: 148,999 km (0.107 R)
• M2: 223,050 km (0.092 R)
• M3: 326,871 km (0.078 R)
• M4: 404,662 km (0.09 R)
• M5: 553,512 km (0.074 R)
• M6: 676,332 km (0.105 R)
• M7: 774,767 km (0.068 R)
• M8: 843,433 km (0.054 R)
• M9: 1,024,596 km (0.077 R)
• M10: 1,092,962 km (0.078 R)
• M11: 1,259,016 km (0.065 R)
• M12: 1,416,542 km (0.095 R)
• M13: 1,669,662 km (0.093 R)
• M14: 1,946,867 km (0.087 R)
• M15: 2,130,274 km (0.059 R)
• M16: 2,239,031 km (0.084 R)
• M17: 2,503,520 km (0.089 R)
• M18: 2,618,412 km (0.105 R)
• M19: 2,735,247 km (0.109 R)
• M20: 2,832,037 km (0.104 R)
• M21: 2,974,006 km (0.117 R)
• M22: 3,084,858 km (0.104 R)
• M23: 3,333,639 km (0.104 R)
• M24: 3,472,017 km (0.079 R)
• M25: 3,754,757 km (0.065 R)
• M26: 3,886,852 km (0.088 R)
• M27: 3,983,791 km (0.087 R)
• M28: 4,180,363 km (0.106 R)
• M29: 4,242,446 km (0.052 R)
• M30: 4,595,796 km (0.119 R)
• M31: 4,659,974 km (0.028 R)
• M32: 4,763,196 km (0.042 R)
• M33: 4,854,152 km (0.079 R)
• M34: 4,971,885 km (0.099 R)
• M35: 5,183,716 km (0.095 R)
• M36: 5,344,534 km (0.073 R)
• M37: 5,452,693 km (0.084 R)
• M38: 5,575,213 km (0.104 R)
• M39: 5,809,185 km (0.071 R)
• M40: 5,920,336 km (0.08 R)
• M41: 6,244,066 km (0.083 R)
• M42: 6,415,355 km (0.086 R)
• M43: 6,617,013 km (0.104 R)
• M44: 6,689,568 km (0.072 R)
• M45: 6,777,083 km (0.114 R)
• M46: 6,894,218 km (0.08 R)
• M47: 7,011,951 km (0.093 R)
• M48: 7,130,583 km (0.032 R)
• M49: 7,190,122 km (0.078 R)
• M50: 7,369,640 km (0.103 R)
• M51: 7,429,778 km (0.083 R)
• M52: 7,550,653 km (0.116 R)
• M53: 7,702,645 km (0.081 R)
• M54: 7,763,681 km (0.093 R)
• M55: 7,824,866 km (0.074 R)
• M56: 8,509,276 km (0.063 R)
• M57: 8,731,130 km (0.099 R)
• M58: 9,035,113 km (0.12 R)
• M59: 9,115,746 km (0.11 R)
• M60: 9,293,917 km (0.1 R)
• M61: 9,391,605 km (0.078 R)
• M62: 9,984,760 km (0.085 R)
• M63: 10,185,221 km (0.085 R)
• M64: 10,252,391 km (0.073 R)
• M65: 10,353,220 km (0.088 R)
• M66: 10,590,183 km (0.103 R)
• M67: 11,190,070 km (0.063 R)
• M68: 11,363,454 km (0.087 R)
• M69: 11,537,885 km (0.105 R)
• M70: 11,625,400 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.9

Radius: 3.7

Gravity: 21.47 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.95 AU - 7.37 AU

Year: 9721 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 35,476,385 km

• M1: 153,787 km (0.118 R)
• M2: 186,100 km (0.038 R)
• M3: 528,230 km (0.066 R)
• M4: 633,098 km (0.078 R)
• M5: 1,321,099 km (0.055 R)
• M6: 1,941,930 km (0.093 R)
• M7: 2,464,027 km (0.094 R)
• M8: 2,551,392 km (0.104 R)
• M9: 2,888,136 km (0.096 R)
• M10: 3,238,794 km (0.117 R)
• M11: 3,752,064 km (0.045 R)
• M12: 3,802,179 km (0.066 R)
• M13: 4,635,140 km (0.119 R)
• M14: 5,183,417 km (0.117 R)
• M15: 5,267,341 km (0.045 R)
• M16: 5,867,827 km (0.079 R)
• M17: 6,732,054 km (0.1 R)
• M18: 6,977,394 km (0.094 R)
• M19: 7,039,178 km (0.047 R)
• M20: 7,256,993 km (0.076 R)
• M21: 7,382,356 km (0.098 R)
• M22: 7,603,461 km (0.088 R)
• M23: 7,858,975 km (0.099 R)
• M24: 8,476,814 km (0.093 R)
• M25: 9,042,892 km (0.114 R)
• M26: 9,449,798 km (0.111 R)
• M27: 10,386,879 km (0.109 R)
• M28: 10,457,340 km (0.08 R)
• M29: 10,563,554 km (0.117 R)
• M30: 10,955,950 km (0.062 R)
• M31: 11,571,694 km (0.104 R)
• M32: 11,608,346 km (0.117 R)
• M33: 11,644,848 km (0.076 R)
• M34: 11,865,355 km (0.113 R)
• M35: 12,198,659 km (0.085 R)
• M36: 12,497,406 km (0.048 R)
• M37: 12,534,955 km (0.107 R)
• M38: 13,026,235 km (0.1 R)
• M39: 13,293,267 km (0.108 R)
• M40: 13,370,010 km (0.092 R)
• M41: 13,716,629 km (0.089 R)
• M42: 16,389,195 km (0.117 R)
• M43: 16,430,334 km (0.094 R)
• M44: 16,594,892 km (0.039 R)
• M45: 16,718,759 km (0.05 R)
• M46: 17,510,431 km (0.088 R)
• M47: 18,186,314 km (0.116 R)
• M48: 18,442,126 km (0.085 R)
• M49: 19,869,589 km (0.047 R)
• M50: 20,264,976 km (0.097 R)
• M51: 25,018,598 km (0.108 R)
• M52: 25,922,618 km (0.039 R)
• M53: 26,499,019 km (0.079 R)
• M54: 26,982,669 km (0.091 R)
• M55: 27,517,930 km (0.12 R)
• M56: 27,566,848 km (0.081 R)
• M57: 28,105,999 km (0.051 R)
• M58: 28,253,503 km (0.106 R)
• M59: 28,500,190 km (0.092 R)
• M60: 29,294,255 km (0.078 R)
• M61: 29,344,071 km (0.092 R)
• M62: 29,394,037 km (0.103 R)
• M63: 29,643,865 km (0.115 R)
• M64: 29,744,096 km (0.084 R)
• M65: 30,297,010 km (0.038 R)
• M66: 30,347,424 km (0.119 R)
• M67: 30,448,403 km (0.101 R)
• M68: 30,904,078 km (0.069 R)
• M69: 31,873,322 km (0.03 R)
• M70: 32,027,259 km (0.113 R)
• M71: 32,232,956 km (0.069 R)
• M72: 32,697,307 km (0.093 R)
• M73: 32,852,590 km (0.108 R)
• M74: 33,319,934 km (0.079 R)
• M75: 33,841,731 km (0.079 R)
• M76: 34,208,545 km (0.074 R)
• M77: 34,471,389 km (0.062 R)
• M78: 34,893,404 km (0.034 R)
• M79: 34,946,212 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 17,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit