🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.73 AU

Year: 189 Days

Day: 34.6 Hours

Environment

Temp: 109 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,691,577 km

• M1: 260,151 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.73 AU - 0.83 AU

Year: 261 Days

Day: 25.9 Hours

Environment

Temp: 111 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 65,691,577 km

• M1: 121,025 km (0.109 R)
• M2: 271,969 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.72 AU - 1.02 AU

Year: 307 Days

Day: 20.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,691,577 km

• M1: 464,352 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.79 AU - 1.07 AU

Year: 340 Days

Day: 12.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.89 AU - 1.07 AU

Year: 367 Days

Day: 17.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 41.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 65,691,577 km

• M1: 138,378 km (0.103 R)
• M2: 432,637 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.6 AU - 2.06 AU

Year: 938 Days

Day: 39.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.86 AU - 2.74 AU

Year: 1321 Days

Day: 38.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 11.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.47 AU - 7.35 AU

Year: 6880 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 65,691,577 km

• M1: 217,515 km (0.095 R)
• M2: 409,749 km (0.085 R)
• M3: 755,619 km (0.092 R)
• M4: 906,264 km (0.119 R)
• M5: 1,609,374 km (0.095 R)
• M6: 2,207,167 km (0.069 R)
• M7: 2,361,402 km (0.106 R)
• M8: 2,680,794 km (0.088 R)
• M9: 2,774,592 km (0.11 R)
• M10: 3,038,482 km (0.093 R)
• M11: 3,136,469 km (0.105 R)
• M12: 3,462,443 km (0.12 R)
• M13: 3,746,978 km (0.037 R)
• M14: 3,852,295 km (0.112 R)
• M15: 4,092,998 km (0.117 R)
• M16: 4,311,261 km (0.09 R)
• M17: 4,449,639 km (0.108 R)
• M18: 4,533,264 km (0.053 R)
• M19: 5,017,812 km (0.108 R)
• M20: 5,760,416 km (0.106 R)
• M21: 5,943,673 km (0.103 R)
• M22: 6,222,523 km (0.087 R)
• M23: 6,537,277 km (0.117 R)
• M24: 7,346,901 km (0.063 R)
• M25: 7,646,246 km (0.107 R)
• M26: 7,881,863 km (0.06 R)
• M27: 8,256,905 km (0.113 R)
• M28: 8,637,781 km (0.108 R)
• M29: 8,777,805 km (0.118 R)
• M30: 8,883,271 km (0.116 R)
• M31: 9,345,229 km (0.1 R)
• M32: 9,561,099 km (0.075 R)
• M33: 9,851,469 km (0.116 R)
• M34: 10,108,029 km (0.061 R)
• M35: 10,590,183 km (0.115 R)
• M36: 11,079,966 km (0.094 R)
• M37: 11,423,443 km (0.093 R)
• M38: 12,911,942 km (0.089 R)
• M39: 13,883,281 km (0.063 R)
• M40: 14,006,250 km (0.094 R)
• M41: 14,419,140 km (0.043 R)
• M42: 14,877,957 km (0.098 R)
• M43: 15,299,225 km (0.111 R)
• M44: 16,153,578 km (0.057 R)
• M45: 16,456,364 km (0.117 R)
• M46: 17,730,190 km (0.102 R)
• M47: 17,908,511 km (0.049 R)
• M48: 18,627,328 km (0.115 R)
• M49: 19,355,571 km (0.061 R)
• M50: 19,723,133 km (0.094 R)
• M51: 19,861,660 km (0.054 R)
• M52: 19,954,112 km (0.026 R)
• M53: 20,093,088 km (0.057 R)
• M54: 20,511,962 km (0.119 R)
• M55: 21,122,172 km (0.078 R)
• M56: 21,929,253 km (0.094 R)
• M57: 22,120,588 km (0.079 R)
• M58: 22,408,714 km (0.034 R)
• M59: 22,698,036 km (0.117 R)
• M60: 22,843,146 km (0.087 R)
• M61: 23,573,333 km (0.088 R)
• M62: 24,163,198 km (0.068 R)
• M63: 24,459,850 km (0.098 R)
• M64: 24,658,367 km (0.032 R)
• M65: 25,256,908 km (0.093 R)
• M66: 25,507,783 km (0.079 R)
• M67: 25,910,950 km (0.049 R)
• M68: 28,113,329 km (0.089 R)
• M69: 28,321,270 km (0.113 R)
• M70: 28,634,229 km (0.081 R)
• M71: 28,738,649 km (0.101 R)
• M72: 29,738,262 km (0.078 R)
• M73: 30,375,399 km (0.071 R)
• M74: 30,909,762 km (0.111 R)
• M75: 31,177,991 km (0.067 R)
• M76: 31,663,137 km (0.112 R)
• M77: 33,023,431 km (0.078 R)
• M78: 34,069,868 km (0.042 R)
• M79: 34,625,175 km (0.068 R)
• M80: 35,183,325 km (0.086 R)
• M81: 35,913,512 km (0.086 R)
• M82: 37,046,417 km (0.034 R)
• M83: 38,248,735 km (0.104 R)
• M84: 38,594,605 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.2

Radius: 6.3

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.28 AU - 15.74 AU

Year: 17773 Days

Day: 18.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 65,691,577 km

• M1: 223,798 km (0.1 R)
• M2: 453,880 km (0.119 R)
• M3: 545,284 km (0.104 R)
• M4: 790,026 km (0.097 R)
• M5: 901,626 km (0.112 R)
• M6: 1,820,456 km (0.106 R)
• M7: 2,153,162 km (0.096 R)
• M8: 2,247,259 km (0.102 R)
• M9: 2,439,492 km (0.053 R)
• M10: 3,083,063 km (0.04 R)
• M11: 3,260,785 km (0.057 R)
• M12: 3,478,599 km (0.086 R)
• M13: 4,436,026 km (0.055 R)
• M14: 4,475,968 km (0.099 R)
• M15: 4,881,678 km (0.069 R)
• M16: 5,555,317 km (0.081 R)
• M17: 5,684,869 km (0.109 R)
• M18: 5,991,096 km (0.077 R)
• M19: 6,347,587 km (0.085 R)
• M20: 6,802,814 km (0.099 R)
• M21: 7,174,564 km (0.085 R)
• M22: 7,363,058 km (0.061 R)
• M23: 8,378,678 km (0.119 R)
• M24: 8,428,045 km (0.117 R)
• M25: 8,676,826 km (0.111 R)
• M26: 8,827,172 km (0.09 R)
• M27: 9,334,758 km (0.109 R)
• M28: 10,219,330 km (0.107 R)
• M29: 10,913,613 km (0.107 R)
• M30: 11,184,685 km (0.118 R)
• M31: 12,914,485 km (0.111 R)
• M32: 14,191,752 km (0.077 R)
• M33: 14,547,047 km (0.109 R)
• M34: 17,240,706 km (0.059 R)
• M35: 18,001,561 km (0.119 R)
• M36: 19,228,413 km (0.067 R)
• M37: 19,490,209 km (0.025 R)
• M38: 19,884,998 km (0.06 R)
• M39: 20,149,636 km (0.037 R)
• M40: 20,548,764 km (0.113 R)
• M41: 20,816,394 km (0.087 R)
• M42: 21,085,221 km (0.119 R)
• M43: 21,490,482 km (0.106 R)
• M44: 22,034,719 km (0.12 R)
• M45: 22,240,117 km (0.096 R)
• M46: 22,445,964 km (0.11 R)
• M47: 22,790,637 km (0.106 R)
• M48: 23,137,106 km (0.113 R)
• M49: 24,469,275 km (0.071 R)
• M50: 25,826,128 km (0.086 R)
• M51: 27,280,518 km (0.117 R)
• M52: 28,388,739 km (0.094 R)
• M53: 28,686,738 km (0.091 R)
• M54: 28,761,387 km (0.087 R)
• M55: 30,268,137 km (0.072 R)
• M56: 31,955,152 km (0.091 R)
• M57: 32,032,494 km (0.086 R)
• M58: 32,653,924 km (0.066 R)
• M59: 33,201,003 km (0.071 R)
• M60: 33,593,548 km (0.095 R)
• M61: 33,672,386 km (0.081 R)
• M62: 33,829,913 km (0.076 R)
• M63: 34,066,726 km (0.081 R)
• M64: 34,225,001 km (0.091 R)
• M65: 35,419,241 km (0.052 R)
• M66: 36,384,596 km (0.088 R)
• M67: 38,587,873 km (0.071 R)
• M68: 41,676,620 km (0.085 R)
• M69: 41,845,965 km (0.099 R)
• M70: 42,354,897 km (0.098 R)
• M71: 42,440,018 km (0.037 R)
• M72: 42,524,990 km (0.113 R)
• M73: 42,951,344 km (0.079 R)
• M74: 45,277,740 km (0.064 R)
• M75: 46,412,440 km (0.071 R)
• M76: 47,733,389 km (0.11 R)
• M77: 48,265,210 km (0.065 R)
• M78: 48,977,296 km (0.118 R)
• M79: 50,141,766 km (0.119 R)
• M80: 50,682,412 km (0.08 R)
• M81: 51,315,510 km (0.041 R)
• M82: 52,955,552 km (0.112 R)
• M83: 53,874,083 km (0.099 R)
• M84: 54,335,293 km (0.102 R)
• M85: 54,427,745 km (0.097 R)
• M86: 56,473,795 km (0.116 R)
• M87: 57,036,133 km (0.108 R)
• M88: 57,224,028 km (0.037 R)
• M89: 58,829,363 km (0.108 R)
• M90: 59,304,186 km (0.108 R)
• M91: 59,780,506 km (0.115 R)
• M92: 61,120,604 km (0.104 R)
• M93: 63,927,957 km (0.067 R)
• M94: 64,807,742 km (0.116 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: 237 - 13,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit