🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.81 AU - 0.85 AU

Year: 285 Days

Day: 19.4 Hours

Environment

Temp: 85 °C

Axial Tilt: 120.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.75 AU - 1.07 AU

Year: 327 Days

Day: 39.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 82,654,250 km

• M1: 121,025 km (0.093 R)
• M2: 336,146 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.43 AU - 3.97 AU

Year: 2681 Days

Day: 41.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.35 AU - 4.21 AU

Year: 2769 Days

Day: 16.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 66.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.2

Radius: 8.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.19 AU - 7.25 AU

Year: 7309 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 82,654,250 km

• M1: 113,545 km (0.083 R)
• M2: 190,737 km (0.09 R)
• M3: 247,285 km (0.104 R)
• M4: 595,250 km (0.105 R)
• M5: 785,688 km (0.042 R)
• M6: 893,099 km (0.086 R)
• M7: 1,113,158 km (0.078 R)
• M8: 1,224,608 km (0.11 R)
• M9: 1,329,327 km (0.088 R)
• M10: 1,426,266 km (0.07 R)
• M11: 1,536,819 km (0.074 R)
• M12: 1,719,628 km (0.067 R)
• M13: 1,790,088 km (0.069 R)
• M14: 1,861,596 km (0.116 R)
• M15: 1,995,187 km (0.036 R)
• M16: 2,056,971 km (0.099 R)
• M17: 2,271,943 km (0.108 R)
• M18: 2,520,874 km (0.087 R)
• M19: 2,696,352 km (0.046 R)
• M20: 2,820,219 km (0.116 R)
• M21: 2,889,932 km (0.037 R)
• M22: 2,974,155 km (0.108 R)
• M23: 3,188,828 km (0.118 R)
• M24: 3,663,353 km (0.107 R)
• M25: 3,862,467 km (0.09 R)
• M26: 4,002,491 km (0.063 R)
• M27: 4,223,746 km (0.095 R)
• M28: 4,432,735 km (0.071 R)
• M29: 4,727,742 km (0.092 R)
• M30: 4,927,903 km (0.068 R)
• M31: 5,012,127 km (0.069 R)
• M32: 5,114,003 km (0.102 R)
• M33: 5,216,328 km (0.028 R)
• M34: 5,336,754 km (0.076 R)
• M35: 5,597,952 km (0.112 R)
• M36: 5,774,328 km (0.088 R)
• M37: 6,114,663 km (0.052 R)
• M38: 6,278,174 km (0.112 R)
• M39: 6,516,932 km (0.027 R)
• M40: 6,702,583 km (0.066 R)
• M41: 6,796,082 km (0.116 R)
• M42: 7,193,563 km (0.113 R)
• M43: 7,327,753 km (0.063 R)
• M44: 7,385,497 km (0.098 R)
• M45: 7,443,392 km (0.094 R)
• M46: 7,540,181 km (0.099 R)
• M47: 7,833,393 km (0.092 R)
• M48: 8,050,759 km (0.086 R)
• M49: 8,130,195 km (0.074 R)
• M50: 8,290,116 km (0.086 R)
• M51: 8,592,602 km (0.082 R)
• M52: 9,125,620 km (0.035 R)
• M53: 9,648,315 km (0.095 R)
• M54: 9,732,837 km (0.118 R)
• M55: 9,817,510 km (0.117 R)
• M56: 10,331,379 km (0.045 R)
• M57: 10,744,418 km (0.11 R)
• M58: 11,118,563 km (0.109 R)
• M59: 11,184,984 km (0.077 R)
• M60: 11,586,654 km (0.111 R)
• M61: 11,699,002 km (0.053 R)
• M62: 12,959,215 km (0.093 R)
• M63: 13,169,549 km (0.118 R)
• M64: 14,045,894 km (0.092 R)
• M65: 14,189,807 km (0.059 R)
• M66: 14,406,574 km (0.12 R)
• M67: 14,527,599 km (0.086 R)
• M68: 15,161,744 km (0.112 R)
• M69: 15,408,132 km (0.095 R)
• M70: 15,705,383 km (0.073 R)
• M71: 15,805,015 km (0.066 R)
• M72: 15,954,613 km (0.106 R)
• M73: 16,280,736 km (0.116 R)
• M74: 16,457,112 km (0.069 R)
• M75: 16,532,958 km (0.05 R)
• M76: 16,684,950 km (0.108 R)
• M77: 16,990,279 km (0.07 R)
• M78: 17,194,929 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662

Radius: 4.8

Gravity: 28.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 14.91 AU - 16.13 AU

Year: 23034 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 82,654,250 km

• M1: 130,150 km (0.036 R)
• M2: 446,699 km (0.103 R)
• M3: 796,160 km (0.1 R)
• M4: 983,157 km (0.1 R)
• M5: 1,125,126 km (0.114 R)
• M6: 1,492,089 km (0.099 R)
• M7: 1,688,810 km (0.101 R)
• M8: 2,750,357 km (0.06 R)
• M9: 3,407,540 km (0.028 R)
• M10: 3,842,122 km (0.037 R)
• M11: 5,495,179 km (0.113 R)
• M12: 5,595,409 km (0.105 R)
• M13: 5,645,824 km (0.091 R)
• M14: 5,696,388 km (0.066 R)
• M15: 7,502,632 km (0.054 R)
• M16: 8,064,971 km (0.078 R)
• M17: 8,698,967 km (0.098 R)
• M18: 9,831,572 km (0.068 R)
• M19: 9,953,494 km (0.084 R)
• M20: 10,137,201 km (0.093 R)
• M21: 10,445,971 km (0.026 R)
• M22: 10,695,350 km (0.056 R)
• M23: 10,757,882 km (0.098 R)
• M24: 11,390,831 km (0.103 R)
• M25: 12,958,467 km (0.041 R)
• M26: 15,859,768 km (0.108 R)
• M27: 16,362,118 km (0.081 R)
• M28: 19,407,332 km (0.101 R)
• M29: 20,876,383 km (0.093 R)
• M30: 24,166,040 km (0.102 R)
• M31: 24,412,877 km (0.079 R)
• M32: 24,743,488 km (0.105 R)
• M33: 26,588,030 km (0.047 R)
• M34: 26,928,215 km (0.119 R)
• M35: 27,612,775 km (0.111 R)
• M36: 27,870,831 km (0.118 R)
• M37: 28,911,584 km (0.067 R)
• M38: 31,568,292 km (0.104 R)
• M39: 32,018,731 km (0.086 R)
• M40: 32,561,921 km (0.045 R)
• M41: 33,108,103 km (0.104 R)
• M42: 33,199,507 km (0.12 R)
• M43: 33,841,133 km (0.098 R)
• M44: 35,603,545 km (0.098 R)
• M45: 36,542,870 km (0.11 R)
• M46: 38,062,934 km (0.113 R)
• M47: 38,254,420 km (0.094 R)
• M48: 38,350,312 km (0.039 R)
• M49: 39,409,764 km (0.071 R)
• M50: 40,772,301 km (0.118 R)
• M51: 41,164,397 km (0.037 R)
• M52: 41,459,255 km (0.115 R)
• M53: 42,150,098 km (0.106 R)
• M54: 45,254,702 km (0.119 R)
• M55: 45,864,014 km (0.055 R)
• M56: 45,965,891 km (0.09 R)
• M57: 49,576,884 km (0.111 R)
• M58: 50,941,067 km (0.094 R)
• M59: 51,152,150 km (0.043 R)
• M60: 52,957,197 km (0.106 R)
• M61: 53,706,384 km (0.051 R)
• M62: 54,999,059 km (0.103 R)
• M63: 57,395,467 km (0.117 R)
• M64: 58,164,999 km (0.114 R)
• M65: 58,938,120 km (0.098 R)
• M66: 59,825,684 km (0.116 R)
• M67: 59,936,985 km (0.103 R)
• M68: 60,159,587 km (0.095 R)
• M69: 60,829,486 km (0.086 R)
• M70: 61,277,382 km (0.091 R)
• M71: 66,391,535 km (0.103 R)
• M72: 66,968,235 km (0.094 R)
• M73: 70,815,294 km (0.092 R)
• M74: 70,933,027 km (0.082 R)
• M75: 71,050,761 km (0.075 R)
• M76: 73,062,702 km (0.076 R)
• M77: 73,300,713 km (0.115 R)
• M78: 73,657,952 km (0.103 R)
• M79: 74,135,469 km (0.102 R)
• M80: 74,494,055 km (0.046 R)
• M81: 74,613,883 km (0.119 R)
• M82: 74,733,561 km (0.086 R)
• M83: 74,973,366 km (0.058 R)
• M84: 75,693,979 km (0.105 R)
• M85: 77,869,880 km (0.105 R)
• M86: 77,991,354 km (0.061 R)
• M87: 79,331,900 km (0.071 R)
• M88: 79,698,714 km (0.076 R)
• M89: 80,557,107 km (0.039 R)
• M90: 82,035,583 km (0.111 R)
• M91: 82,282,868 km (0.101 R)
• M92: 82,406,585 km (0.103 R)
• M93: 82,654,320 km (0.075 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: 524 - 14,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit